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Soil N Availability And Nitrogen Harvest Index Of Oats, N. Md. Kairudin, K. J. Frey
Soil N Availability And Nitrogen Harvest Index Of Oats, N. Md. Kairudin, K. J. Frey
Journal of the Iowa Academy of Science: JIAS
A population of 480 random lines of oats (Avena sativa L.) was grown on soil that received no application of nitrogen (N) or 112 kg of N ha-1 (defined as low- and high-N environments, respectively) to evaluate the effect of N availability in the soil on the plant's ability to partition N between vegetative tissue and the grain, a ratio defined as nitrogen harvest index. Also, comparisons were made between low and high-N environments for grain yield, straw yield, biological yield, groat protein yield, groat protein percentage, vegetative protein yield, straw protein percentage, total plant protein yield, and harvest …