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Flood: Farming and Erosion
Read the Fine Print
Educational Use
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In this video segment adapted from NOVA, scientists investigate how farming along the Mississippi River impacts floods and what can be done about it.

Subject:
Geology
Physical Science
Material Type:
Activity/Lab
Diagram/Illustration
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
12/17/2005
Footrace, Pennsylvania Avenue. Stakes $25,000
Unrestricted Use
Public Domain
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0.0 stars

The race for a $25,000 prize (the president's salary) is a metaphor for the 1844 campaign. The favored contender here is Henry Clay. The other runners are James K. Polk and John Tyler, while commentaries are offered by a farmer, vice presidential candidate Theodore Frelinghuysen, and Whig stalwart Daniel Webster. The print probably appeared before Tyler officially withdrew as a presidential candidate on August 20. Henry Clay is in the lead, about to pass the half-mile marker to the White House. The Capitol appears in the distance. Clay holds an American flag in one hand and a document in the other, and begins to ascend the steeply inclined final stretch. Behind him Democratic nominee James K. Polk stumbles and falls, his foot in a pothole. Clay: "Clear the Road for Old Kentuck!" Polk: "Oh! Lord I've slipped up! I've got fundamental objections to this mode of coming down." Frelinghuysen: "Ha! Ha! Dan there goes Polk! that Tariff grease that I put there has done the business slick!" Support for a tariff was a plank in the Whig platform which was extremely popular in the Northeast. Webster replies: "Why Theodore, Harry [Clay] is a going it in fine style. He'll take the Purse & not half try!" A third contestant, incumbent President John Tyler, notices a woman traveling down another road toward Texas. The woman is elegantly dressed, and holds a parasol which obstructs the view ahead of her. Tyler questions a farmer standing nearby, "I say my friend who is that going down the road yonder . . ." The farmer replies "Oh! thats the Gardeners Daughter that lives in yon house there down the road!" "Well thats the road for me," Tyler continues, "I am used up in the Race. So I'm off! tell them Gentlemen that they must excuse me."|Entered . . . 1844 by J. Baillie.|Litho. & pubd. by James Baillie 118 Nassau St N.Y.|Signed: H. Bucholzer.|The Library's impression of the print was deposited for copyright on August 23, 1844.|Title appears as it is written on the item.|Weitenkampf, p. 79.|Forms part of: American cartoon print filing series (Library of Congress)|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1844-41.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - Cartoons 1766-1876
Date Added:
06/08/2013
The Girl On the Land Serves the Nation's Need Apply Y.W.C.A. Land Service Committee
Unrestricted Use
Public Domain
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Poster showing four young women carrying tools and a basket of produce, and leading a team of horses.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - World War I Posters
Date Added:
06/18/2013
Governors Race In New Jersey. Young Hyson Riding Over The Backs of The People. Stratton Going Ahead In The Popular Jersey Style
Unrestricted Use
Public Domain
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0.0 stars

A satire on the New Jersey gubernatorial campaign of 1844, centering on a major issue of the race--extension of the Camden and Amboy Railroad. The Whig candidate, New Jersey native Charles C. Stratton, campaigned on a platform opposing the powerful railroad interests of the state. The Democratic candidate, Pennsylvania-born John R. Thomson, was a stockholder in the railroad and a vigorous advocate of internal improvements. The artist portrays Thomson as a reckless pawn of "young Hyson" (possibly a railroad magnate?) and the railroad as a burden on the people of the state. Thomson (here "Thompson") rides a steam train along a stretch of track laid over the backs of the people. The track ahead is unfinished--a fact noted by a man on the locomotive's front platform. Heedless of this, Captain Thomson stands atop one of the cars waving a militia cap (a symbol of his Jacksonian alignment) and shouting, "Fire up Green! Fire! I say that devilish Whig brigand Stratton is almost there--Stir up!--Put on the Steam or our man is lost--O my Country! O!!! 'For thee I wave my Sword on high / For thee I live--For thee I die' Go ahead! Burst! I'd sooner smash than not be first." Whig ally and fellow railroad advocate James S. Green feeds the engine's boiler, complaining, "T'is decreed by my Master, the Captain, that there shall be more Fire--but I fear I never shall be Chancellor." Another man asks Thomson, "How long shall we go on this tack, Captain? It is almost time to have the Engine reversed." The train pulls "Young Hyson" who rides in an oriental rickshaw-like vehicle. Ahead is a tall staff flying an American flag and a "Clay and Frelinghuysen" streamer. Further on, Stratton's horse-drawn coach approaches a crowd gathered around a small house. On a hill nearby is a large house with a cupola, possibly the governor's residence. A man in the crowd calls out, "Here they are! Three cheers for Governor Stratton the "Jersey bred Jerseymen."" The coach's driver announces, "We've distanced the Rail Road machinery this time." In the foreground a farmer at the reins of a simple wooden wagon full of produce calls out to two gentlemen in a stylish coach nearby, "Hurrah for Clay--for Frelinghuysen for Stratton--and for all who go for men of my Condition: Hurrah I say you men with your men Servants there!" One of the gentlemen says to the other, "Egad my friend, Thompson will find the backs of the people a very unsafe Foundation for a Rail Road. I had rather trust to Stratton's Old Jersey Waggon off yonder." His driver comments ironically, "I have no faith in the common people--they have no respect for rank--Thompson degrades himself by condescending to be their Governor." The print may have been conceived as part of a series, given that it is marked "No. 4," although no related prints have been recorded.|Entered . . . 1844 by H.R. Robinson.|Lith. & publ. by H.R. Robinson, 142 Nassau St & 112 Broadway N. York|Title appears as it is written on the item.|Weitenkampf, p. 83.|Forms part of: American cartoon print filing series (Library of Congress)|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1844-48.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - Cartoons 1766-1876
Date Added:
06/08/2013
Harvesting history, Laxton : the medieval village that survived the modern age
Conditional Remix & Share Permitted
CC BY-NC-SA
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A video covering the medieval farming and life styles preserved in Laxton, a small village in Nottinghamshire which has survived the modern age. Includes images and artefacts from the exhibition presented by the University of Nottingham Department of Manuscripts and Special Collections.

Suitable for community education, secondary education, undergraduate year one and further education

Author and presenter: Kathryn Summerwill.

Kathryn Summerwill qualified as a professional archivist from the University of Wales, Bangor, in 1996, and has been an Assistant Archivist in The University of Nottingham’s Manuscripts and Special Collections Section since 2002. She is part of a team of staff using digital tools to extend the provision of traditional printed guides and catalogues, and has curated a number of exhibitions featuring material from the collections.

Subject:
History
Material Type:
Lecture
Provider:
University of Nottingham
Author:
Kathryn Summerwill
Date Added:
03/22/2017
Harvesting history, Laxton : the medieval village that survived the modern age
Conditional Remix & Share Permitted
CC BY-SA
Rating
0.0 stars

A video covering the medieval farming and life styles preserved in Laxton, a small village in Nottinghamshire which has survived the modern age. Includes images and artefacts from the exhibition presented by the University of Nottingham Department of Manuscripts and Special Collections.

Suitable for community education, secondary education, undergraduate year one and further education

Author and presenter: Kathryn Summerwill.

Kathryn Summerwill qualified as a professional archivist from the University of Wales, Bangor, in 1996, and has been an Assistant Archivist in The University of Nottingham’s Manuscripts and Special Collections Section since 2002. She is part of a team of staff using digital tools to extend the provision of traditional printed guides and catalogues, and has curated a number of exhibitions featuring material from the collections.

Subject:
History
Material Type:
Lecture
Provider:
University of Nottingham
Author:
Kathryn Summerwill
Date Added:
03/21/2017
Ho! For The Kansas Plains
Unrestricted Use
Public Domain
Rating
0.0 stars

An illustrated sheet music cover for an antislavery song, dedicated to abolitionist spokesman Henry Ward Beecher. The illustration features a roundel illustration of the burning of the Free State Hotel in Lawrence, Kansas, by a proslavery mob in May 1856. The roundel is flanked by a standing Indian (left) and a settler, seated and holding a musket and Bible. The settler is probably meant to represent one of the emigrants recruited by associations like the New England Emigrant Aid Company to settle in Kansas in hopes of insuring its emergence as a free state.|A variant copy (cover only, with slightly different image) is in P&P LOT 10615-11; LC-USZ62-53600.|Boston. Published by Oliver Ditson Washington St.|Designed and engraved by Greene & Walker Boston.|Entered . . . 1856 by O. Ditson.|Title appears as it is written on the item.|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1856-10.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - Cartoons 1766-1876
Date Added:
06/13/2013
Introduction to Benchmarking in Farming
Only Sharing Permitted
CC BY-NC-ND
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The purpose of this resource is to introduce the process of benchmarking in farming. It is a very basic tutorial aimed at familiarizing farmers with the practice of benchmarking in farm management. This resource hope to encourage learners to research further learning resources and opportunities. The content of this resource is derived from:

Kahan, D. (2013). Farm business analysis using benchmarking. Rome: Food and Agriculture Organization of the United Nations.

Subject:
Career and Technical Education
Material Type:
Assessment
Reading
Date Added:
11/02/2016
Liberty, The Fair Maid of Kansas--In The Hands of The "border Ruffians"
Unrestricted Use
Public Domain
Rating
0.0 stars

A bitter indictment of the Democratic administration's responsibility for violence and bloodshed in Kansas in the wake of the 1854 Kansas-Nebraska Act. (See also "Forcing Slavery Down the Throat of a Freesoiler" and "Democratic Platform Illustrated," nos. 1856-8 and 1856-11.) The print appeared during the presidential campaign of 1856. In the center stands Democratic incumbent Franklin Pierce, dressed in the buckskins of a "border ruffian," as the violent, proslavery invaders of the Kansas territory from Missouri were known. He has planted his foot on an American flag which is draped over Liberty, who kneels at his feet imploring, "O spare me gentlemen, spare me!!" Pierce is armed with a rifle, and has a tomahawk, dagger, pistol, and scalp on his belt. At right a similarly outfitted Lewis Cass stands licking his lips and scoffing, "Poor little Dear. We wouldnt hurt her for the world, would we Frank? ha! ha! ha! . . ." At the far right Democratic senator Stephen Douglas kneels over a slain farmer and holds up the hapless victim's scalp, exclaiming, "Hurrah for our side! Victory! Victory! "We will subdue them yet." "On the far left Democratic candidate James Buchanan and secretary of state William Marcy (with his characteristic fifty-cent" trouser patch) kneel over another victim and empty his pockets. Buchanan lifts the man's watch, saying,"T'was your's once but its mine now, "Might makes right," dont it." Pierce responds, "You may bet your life on that, ole Puddinhead," and says to Liberty, "Come Sis--sy, you go along wid me, I'le take Good care of "you" (hic) "over the left."" In the left background a cottage burns, and the mad widow of a murdered settler stands before a group of ruffians. Widow: "Come husband let us go to heaven, where our poor Children are." Ruffian, thumbing his nose: "Ho! ho! She thinks I'm her husband, we Scalped the Cus and she like a D--m fool went Crazy on it, and now she wants me to go to heaven with her, . . . " In the distance are further scenes of pillage and murder. Attribution to Magee is based on the print's clear stylistic similarity to his "Forcing Slavery Down the Throat of a Freesoiler" (no. 1856-8). A number of satires published by John Childs during the 1856 campaign are also attributable to Magee on stylistic grounds.|Drawn by John L. Magee.|Title appears as it is written on the item.|Murrell, p. 190.|Weitenkampf, p. 115.|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1856-9.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - Cartoons 1766-1876
Date Added:
06/13/2013
Media Constructions of Sustainability: Fingerlakes
Only Sharing Permitted
CC BY-NC-ND
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This kit explores how sustainability within the Finger Lakes region of New York has been presented in the media with a particular focus on issues related to food, water and agriculture. Each of the seven lessons integrates media literacy and critical thinking with key knowledge and concepts related to sustainability. This kit is a companion to the nineteen-lesson collection, Media Constructions of Sustainability: Food, Water and Agriculture.

Subject:
Arts and Humanities
Business and Communication
Journalism
Material Type:
Activity/Lab
Diagram/Illustration
Homework/Assignment
Lesson Plan
Reading
Teaching/Learning Strategy
Unit of Study
Provider:
Ithaca College
Provider Set:
Project Look Sharp
Author:
Sox Sperry
Date Added:
05/01/2013
New Executive Thinking Social-Impact Technology Projects
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

This customized independent study course puts Sloan Fellows MBA students into direct contact with innovators tackling global needs in education, healthcare, and energy/environment. Co-designed projects address low-income markets in the U.S. or globally, focusing on the application of new ideas and technology rooted in MIT innovations or the Boston ecosystem. Every project aims to develop better ways for the right innovations to reach scale, sustainability, and quality, thereby improving lives and uncovering opportunities in underserved markets.

Subject:
Business and Communication
Management
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
Sastry, Anjali
Date Added:
09/01/2017
The North Bend Farmer and His Visitors
Unrestricted Use
Public Domain
Rating
0.0 stars

A slanderous portrayal of Democratic tactics against Whig presidential candidate William Henry Harrison. The supposedly insidious and high-living Van Buren and his minions suffer by comparison to the Whig candidate, here portrayed as rustic and plainspoken. Harrison is shown dressed in buckskins and standing near a plough on his Ohio farm. A contingent of Democrats have arrived in an elegant coach at left. The visitors are (left to right) Francis Preston Blair, Amos Kendall, John Calhoun, and Martin Van Buren. Blair remarks to Kendall, "I will state in my paper that we found him drinking Rye Whiskey and that will kill him with the Temperance men and reading Abolition tracts settles him in the South. Our readers you know will swallow anything. I must make the most of this interview as our case is desperate indeed." Kendall responds, "Why he is quite a natural. He dont suspect us to be Spies . . . We may be able to furnish you with something clever for the Globe [i.e., Blair's newspaper the Washington "Globe]."" Calhoun protests to Van Buren, "Matty this is a dirty job. I don't like it." Van Buren says, "As I live that is old Harrison himself the old fool. After the many opportunities he has had of enriching himself to live in a log cabin and plough his own ground. Now look at me who never pulled a trigger, or chased an Indian unless by proxy: I roll in riches, and live in splendour, dine with kings, make my sons princes, enrich my friends, punish my enemies, and laugh in my sleeve at the dear People whom I gull." Harrison greets them with, "Gentlemen you seem fatigued, If you will accept of the fare of a log cabin, with a Western farmer's cheer, you are welcome. I have no champagne but can give you a mug of good cider, with some ham and eggs, and good clean beds. I am a plain backwoodsman, I have cleared some land, killed some Indians, and made the Red Coats fly in my time."|Printed & published by H.R. Robinson, no. 52 Cortlandt St. N.Y. & Pennsa. Avenue Washington D.C.|Signed with monogram: HD (Henry Dacre?).|Title appears as it is written on the item.|Weitenkampf, p. 64.|Forms part of: American cartoon print filing series (Library of Congress)|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1840-36.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - Cartoons 1766-1876
Date Added:
06/08/2013
O'connell's Call and Pat's Reply
Unrestricted Use
Public Domain
Rating
0.0 stars

A condemnation of Daniel O'Connell's agitation of Irish immigrants in the United States against slavery. The artist, certainly E.W. Clay, presents a loaded contrast between turbulent conditions in Ireland and the idyllic, relative prosperity of the immigrant's lot in America. It is the period of the Irish campaign for repeal of the oppressive Legislative Union. On the left repeal movement leader O'Connell stands on the shore of Ireland holding an "Agitation" club and speaking through an "Abolition" horn. He says, "Over the broad Atlantic I pour forth my voice saying come out of such a land you Irishmen or if you remain and dare continue to countenance the system of slavery that is supported there, we will recognize you as Irishmen no longer!" A British grenadier with rifle in hand orders O'Connell to "Clear the way there!" A policeman holding a baton with a crown on its tip warns, "Come, come stop that noise and move off! do you hear!" Behind him is a tragic but common rural scene: a farmer and his family despair as their cottage burns; another farmer lies dead on the ground behind them. At right, across the ocean, is an American farmer and his family. The farmer arrives home from the field, a scythe over his shoulder. He is accompanied by his son, and a black dog follows at his heels. In the distance a black woman and her child lead cows along a road. The American farmer answers O'Connell: It is a mighty far voice you have Mr. O'Connell--I love Ireland as well as you do, but this is my adopted Country and the birthplace of my Children. By industry and economy I am become prosperous--my Children are receiving the benefit of a good education, and the highest situations in the State are open to them. Here we can express our opinion's freely without the fear of bayonets or policemen. I have sworn to defend its laws and the interests of its union and will do so with the last drop of my blood. I will never forsake it! The farmer's wife sits at her spinning wheel before their cottage, her three children about her. She says with a broad Gaelic accent, "Ah Patrick "acushla" don't be hard on Mr. O'Connell--sure if he were druve out of Ould Ireland woundn't we give him a a "cead mille failthe" here!" Her son, just arriving, exclaims, "See here mother what a beautiful medal I've got for being head of my Class." Aside from being very close in style to Clay's "America" (no. 1841-1), "O'Connell's Call "also reflects that artist's particularly chauvinistic perspective on American versus English life.|Drawn by Edward Williams Clay.|Entered . . . 1843 by H.R. Robinson.|H.R. Robinson 142 Nassau St. Lith in all its branches.|Title appears as it is written on the item.|Weitenkampf, p. 71.|Forms part of: American cartoon print filing series (Library of Congress)|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1843-1.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - Cartoons 1766-1876
Date Added:
06/08/2013
Organic Farming: Conserving Top Soil
Read the Fine Print
Educational Use
Rating
0.0 stars

Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil.

Subject:
Agriculture
Astronomy
Career and Technical Education
Ecology
Education
Forestry and Agriculture
Geoscience
Life Science
Physical Science
Space Science
Material Type:
Activity/Lab
Diagram/Illustration
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
12/17/2005
The Palmetto State Song
Unrestricted Use
Public Domain
Rating
0.0 stars

An illustrated cover for sheet music celebrating the South Carolina state convention on December 20, 1860, where an ordinance of secession was passed unanimously, thereby severing the state's ties with the Union. The song is "respectfully dedicated to the signers of the Ordinance of Secession." The cover illustration shows the interior of the crowded hall, where on a stage several of the 169 delegates are gathered around the secession document. Above them hangs the flag of South Carolina, with a palmetto appearing under an arch. Above the arch is an allegorical mural with a palmetto tree in the center, under which Music (or Poetry, holding a lyre), Liberty, and a third female figure repose. The central vignette is flanked by a farmer (left) and sailor with an anchor. Two additional allegorical figures appear in niches on either side of the stage.|A. Grunevald del.|Lith. by August Hoen & Co. Baltimore.|Title appears as it is written on the item.|"The Confederate Image," p. 10-11.|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1861-2.

Subject:
History
U.S. History
Material Type:
Diagram/Illustration
Primary Source
Provider:
Library of Congress
Provider Set:
Library of Congress - Cartoons 1766-1876
Date Added:
06/13/2013
Pig farms that use traditional farming practices have less antibiotic resistance
Unrestricted Use
CC BY
Rating
0.0 stars

This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"Antimicrobial resistance is a critical threat to human and animal health. Animal production systems, with their often-heavy use of antibiotics, are a major driver of antibiotic resistance globally. The resistome is the collection of antibiotic resistance genes in a population of bacteria and is a window into the accumulation of antibiotic resistance in a system. A recent study compared the resistomes of an industrialized intensive pig farming system and a traditional extensive farming system. The extensive systems have lower animal densities, outdoor housing, older age at slaughter, and – critically – less antibiotic use compared to the intensive systems. Researchers examined the metagenomes of the pigs’ intestinal microbiomes, the environment on the farm, and the slurry of pig waste. Compared with extensive farms, intensive farms had a higher abundance of antibiotic resistance genes. The class of antibiotics used correlated with the category of resistance genes observed..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Biology
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
02/25/2021
Precise Soil, Climate, and Weather Data Help Dairy Optimize Water Use
Read the Fine Print
Rating
0.0 stars

For irrigated crops, knowing when and how much water to apply has long been a matter of experience and guesswork. In a changing climate, new technology can reduce this uncertainty, enabling farmers to make every drop of water count.

Subject:
Agriculture
Career and Technical Education
Material Type:
Case Study
Provider:
National Oceanic and Atmospheric Administration
Provider Set:
U.S. Climate Resilience Toolkit
Date Added:
08/09/2016
Produce Safety Matters
Read the Fine Print
Some Rights Reserved
Rating
0.0 stars

Growers, packing centers, and retailers rely on one another to prevent contamination and keep consumers safe. Four animations illustrate how contamination can spread from field to table and suggest ways to avoid this. Applicable to various tree and ground fruits including cantaloupe, cucumbers, and strawberries, the animations follow the lifespan of an imaginary "purple fruit," highlighting danger points at each stage of the process and suggesting best practices for keeping produce free from contamination. Although the animations are brief, they include "Pause Points" (recommended spots to pause the video) where a presenter can discuss, distribute additional materials or reinforce learning during a training.

Subject:
Applied Science
Education
Material Type:
Reading
Provider:
Learning Games Lab
Author:
NMSU Learning Games Lab
Date Added:
07/15/2015
Quantitative Genetics for Plant Breeding
Conditional Remix & Share Permitted
CC BY-NC
Rating
0.0 stars

This open textbook is intended to expose students to the application of quantitative genetic models to plant breeding populations. Specific topics include conducting and interpreting multi-environment trials, resource allocation using engineering principles, genetic modeling of quantitative traits, simulation modeling, variance, covariance and heritability, prediction, selection, and genetic gain.

Subject:
Agriculture
Career and Technical Education
Forestry and Agriculture
Genetics
Life Science
Material Type:
Textbook
Provider:
Iowa State University
Author:
Anthony Assibi Mahama
Katherine Espinosa
Kendall Lamkey
Mark Newell
Walter Suza
William Beavis
Date Added:
10/18/2023
Rebuilding Soil with Biochar
Read the Fine Print
Educational Use
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0.0 stars

Students learn about soil properties and the effect biochar—charcoal used as a soil amendment—has on three soil types, sand, loam and clay. They test the soils’ water retention capability before and after the addition of biochar. During the activity, student teams prepare soil mixtures, make observations (including microscopic examinations), compare soil properties, conduct water retention tests, take and record measurements, and analyze their observations and data. They see how the physical properties of soils—color, texture, and particle size—can be indicators of nutrient content and water retention capabilities to support plant growth. From their findings, they consider biochar’s potential benefits for environmental and agricultural applications, especially in conditions of drought and depleted soils. An activity lab sheet is provided to guide experimental data collection and analysis.

Subject:
Physical Science
Material Type:
Activity/Lab
Provider:
TeachEngineering
Author:
C.A. Masiello
Carolyn Nichol
Isaias Cerda
X. Gao
Date Added:
02/07/2017