Nitrogen and Boron Effects on Protein and Oil of Corn Grain1,2
1973
Jellum, M. D. | Boswell, F. C. | Young, C. T.
This study was conducted to determine the effect of nitrogen and boron on protein and oil percentages and fatty acid composition of corn (Zea mays L.) grain. In one study, two rates (90 and 180 kg/ha) of nitrogen, two periods (December and preplant), with and without a nitrification inhibitor were applied to corn on a Norfolk loamy sand soil in the Coastal Plain region of Georgia. In a second study, three rates (0.28, 0.56, and 1.12 kg/ha) of boron were applied to the same soil as for study one. Check plots with no treatment were included in each experiment. Grain samples from each plot were analyzed for protein and oil percent by standard A.O.A.C. methods and the fatty acid composition of oil was determined by gas-liquid chromatography. Protein percent increased with increasing rates of N without any effects from time of application or of the nitrification inhibitor. Nitrogen had no effect on oil percent or oil composition. Boron fertilization had no effect on any of the chemical characters measured in this study.
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