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Year 2007 Remove constraint 2007: 2007 Subjects corn Remove constraint corn: corn Subjects grain crops Remove constraint grain crops: grain crops

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1. Common Waterhemp Growth and Fecundity as Influenced by Emergence Date and Competing Crop

Description:: Includes references
Author:: Uscanga-Mortera, E. , Clay, S.A. , Forcella, F. , Gunsolus, J.
Subject:: Zea mays , corn , grain crops , Glycine max , soybeans , Amaranthus , broadleaf weeds , seedling emergence , phenology , crop-weed competition , seed productivity , plant growth , dry matter accumulation , shade , height , weed control , integrated weed management , Minnesota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007

2. Irrigated, No-Till Corn and Barley Response to Nitrogen in Northern Colorado

Description:: Includes references
Author:: Halvorson, A.D. , Renule, C.A.
Subject:: Zea mays , corn , grain crops , Hordeum vulgare , malting barley , nitrogen fertilizers , irrigated farming , no-tillage , grain yield , crop rotation , clay loam soils , irrigation water , fertigation , protein content , crop quality , nutrient use efficiency , nitrogen , crop residues , Colorado
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007

3. Physical and Genetic Structure of the Maize Genome Reflects Its Complex Evolutionary History

Description:: Includes references
Author:: Wei, F. , Nelson, W. , Bharti, A.K. , Engler, F. , Butler, E. , Kim, H.R. , Goicoechea, J.L. , Chen, M. , Lee, S.
Subject:: Zea mays , corn , grain crops , genome , sequence analysis , plant genetics , evolution , physical chromosome mapping , expressed sequence tags , genetic recombination
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007

4. Potential Long-Term Benefits of No-Tillage and Organic Cropping Systems for Grain Production and Soil Improvement

Description:: Includes references
Author:: Teasdale, J.R. , Coffman, C.B. , Mangum, R.W.
Subject:: Zea mays , corn , Triticum aestivum , wheat , grain crops , Glycine max , soybeans , no-tillage , organic production , cropping systems , soil quality , soil water content , field experimentation , conservation tillage , slope , cover crops , green manures , nitrogen fertilizers , crop rotation , chiseling , weed control , grain yield , weeds , Maryland
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007