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1دورية أكاديمية
المؤلفون: Ranjith P. Udawatta, Shibu Jose, Steven Hefner, Karen Brinkman
المصدر: Agrosystems, Geosciences & Environment, Vol 4, Iss 3, Pp n/a-n/a (2021)
مصطلحات موضوعية: Agriculture, Environmental sciences, GE1-350
وصف الملف: electronic resource
Relation: https://doaj.org/toc/2639-6696
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2
المؤلفون: Steven Hefner, Karen Brinkman, Shibu Jose, Ranjith P. Udawatta
المصدر: Agrosystems, Geosciences & Environment, Vol 4, Iss 3, Pp n/a-n/a (2021)
مصطلحات موضوعية: Environmental sciences, Hydrology, fungi, food and beverages, Environmental science, Agriculture, GE1-350, General Medicine, Water quality, Edge (geometry), Field monitoring
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3
المؤلفون: Steven Hefner, Tina Gladbach, Gene Stevens
المصدر: Communications in Soil Science and Plant Analysis. 32:421-428
مصطلحات موضوعية: Oryza sativa, Field experiment, Soil Science, engineering.material, Aerial application, No-till farming, Agronomy, Loam, engineering, Poaceae, Fertilizer, Cropping system, Agronomy and Crop Science, Mathematics
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4
المؤلفون: David Dunn, Matthew Rhine, Gene Stevens, Ian Kurtz, Jim Heiser, Steven Hefner
المصدر: Crop Management. 13:CM-2013
مصطلحات موضوعية: Field (physics), chemistry, Agronomy, Applied Mathematics, General Mathematics, Potassium, Phosphorus, Hay, Environmental science, chemistry.chemical_element, General Medicine