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Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects grain crops Remove constraint grain crops: grain crops Subjects nitrogen Remove constraint nitrogen: nitrogen

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1. Characterizing nitrogen use efficiency in natural and agricultural ecosystems to improve the performance of cereal crops in low-input and organic agricultural systems

Description:: Includes references
Author:: Dawson, Julie C. , Huggins, David R. , Jones, Stephen S.
Subject:: grain crops , species differences , agroecosystems , nitrogen , nutrient use efficiency , organic production , low input agriculture , biogeochemical cycles , crop rotation , annuals , literature reviews , perennials , farming systems , nutrient availability , plant breeding , genetic variation , environmental factors , nutrient transport , photosynthesis , nutrient uptake , plant adaptation
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

2. Environment and Hybrid Influences on Food-Grade Sorghum Grain Yield and Hardness

Description:: Includes references
Author:: Griess, Joni K. , Mason, Stephen C. , Jackson, David S. , Galusha, Tomie D. , Yaseen, Muhammad , Pedersen, Jeffrey F.
Subject:: Sorghum bicolor , grain sorghum , grain crops , grain yield , hardness , environmental factors , hybrids , genetic variation , irrigated farming , dryland farming , nitrogen , soil fertility , genotype-environment interaction , seeds , weight , Nebraska
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010