Proceedings :: North Central Soil Fertility Conference

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Christenson, D.R

Sheaffer, C.C

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Yost, M.A

Russelle, M.P

Coulter, J.A

Schmitt, M.A

Sheaffer, C.C

Randall, G.W

Christenson, D.R

Topics

Type

Oral

Year

2014

1990

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Filter results2 paper(s) found.
1. Stand Age Affects Fertilizer Nitrogen Response in First-Year Corn Following Alfalfa Through a symbiotic relationship with soil bacteria, alfalfa can acquire nitrogen (N) from the atmosphere, use the N for its own growth, and contribute large amounts of N to subsequent crops. To estimate this N contribution, most land-grant universities use book-value N credits based on alfalfa stand density at termination. However, a recent literature analysis indicated that alfalfa stand density is not a reliable predictor of grain yield response to fertilizer N in first-year corn. That analysis... Download paper
2. Effect of Irrigation and Nitrogen on Corn Yield and Profit An understanding of the interaction of various inputs on corn yield and profit is important in decision making for corn production. This study was conducted to evaluate 1) the effect of irrigation, hybrid, seeding rate and nitrogen rate on yield of corn and 2) the effect of these inputs on marginal return and cost per bushel for corn production. This study was conducted for three years at two 1 ocations on a Conover 1 oam and a Zi lwaukee clay soi 1 . The three years represented a normal rainfall... Download paper

Filter results2 paper(s) found.

1. Stand Age Affects Fertilizer Nitrogen Response in First-Year Corn Following Alfalfa

Through a symbiotic relationship with soil bacteria, alfalfa can acquire nitrogen (N) from the atmosphere, use the N for its own growth, and contribute large amounts of N to subsequent crops. To estimate this N contribution, most land-grant universities use book-value N credits based on alfalfa stand density at termination. However, a recent literature analysis indicated that alfalfa stand density is not a reliable predictor of grain yield response to fertilizer N in first-year corn. That analysis...

Download paper

2. Effect of Irrigation and Nitrogen on Corn Yield and Profit

An understanding of the interaction of various inputs on corn yield and profit is important in decision making for corn production. This study was conducted to evaluate 1) the effect of irrigation, hybrid, seeding rate and nitrogen rate on yield of corn and 2) the effect of these inputs on marginal return and cost per bushel for corn production. This study was conducted for three years at two 1 ocations on a Conover 1 oam and a Zi lwaukee clay soi 1 . The three years represented a normal rainfall...

Download paper