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Spring Wheat Stand and Yield Losses From Applying Urea-N Fertilizer With The Seed

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farm_37_3_4.pdf
Title: Spring Wheat Stand and Yield Losses From Applying Urea-N Fertilizer With The Seed
Author: Halvorson, A. D.; Reitz, L. L.; Reule, C. A.; Black, A. L.
Description: Since urea is becoming a primary source of N-fertilizer in dry-granular blends and in liquid formulations, there is reason to be concerned whether such urea-containing fertilizers should be used for grain-drill application with the seed. We found germination damage and root pruning increased progressively 27 days after seeding as the rate of urea-N applied with the seed increased. For every 10 lbs/acre of actual N applied with the seed, spring wheat stands decreased about 13 percent and grain yields decreased 3.1 bu/acre. To prevent such losses, liquid or dry-granular N-fertilizer materials that contain urea-N should be broadcasted and incorporated before seeding or banded to the side and below the seed.
Date: 1980
Subject: Fertilizers
Wheat
Permalink: http://hdl.handle.net/10365/4540

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