Soil Nutrition

soybean field

Soybean Micronutrient Management in Southeast Nebraska: Chloride

November 11, 2020
In soybeans, chloride is needed for osmotic regulation in plant cells. Deficiency symptoms are not clearly described but may include chlorosis and wilting of leaves in soybeans. Toxicity symptoms include leaf tip scorching, premature yellowing or bronzing of leaves, and leaf loss.

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soybean showing boron toxicity

Soybean Micronutrient Management in Southeast Nebraska: Boron

October 29, 2020
In soybeans, boron is needed for cell walls during cellular expansion and normal development of nitrogen-fixing root nodules. Overall, soybeans are rather insensitive to boron deficiency but very sensitive to toxicity, including scorching/necrosis on the leaf edges.

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Figure 1. Nebraska soybean field with patches of iron chlorosis caused by a deficiency of iron. (Photo by Rodrigo Werle)
Figure 1. Nebraska soybean field with patches of iron chlorosis caused by a deficiency of iron. (Photo by Rodrigo Werle)

What's New with Micronutrients?

April 10, 2018
Micronutrients are in the spotlight these days with new biological products coming to market. This update looks at micronutrient research updates, including which nutrients are likely to enhance profit and how results can differ among different soil tests.

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Researchers Nicolás Cafaro La Menza (left) and Patricio Grassini examining progress of soybean in the field.
Figure 1. Researchers Nicolás Cafaro La Menza (left) and Patricio Grassini examining progress of soybean in the field.

Study Unearths Benefits, Limits of Fertilizing Soybeans

September 29, 2017
Soybean crops in highly productive fields demand more nitrogen than natural sources alone can supply, says a new study from University of Nebraska-Lincoln and Argentine researchers. In fields with the potential to produce 80-90 bushels per acre, researchers found fertilizer increased yields by up to 10 bushels per acre.

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