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pro vyhledávání: '"Walter B. Gordon"'
Publikováno v:
American Journal of Agricultural and Biological Sciences. 9:294-298
Crop recovery of applied Phosphorus (P) fertilizer can be low, especially during season of low soil temperature, which decreases plant root growth and nutrient uptake. The H 2PO 4 - or HPO 4 -2 anions readily react with soil cations such as Calcium (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2be4222e6223bc959dbb6d82d3fc64f1
https://doi.org/10.3844/ajabssp.2014.294.298
https://doi.org/10.3844/ajabssp.2014.294.298
Autor:
Walter B. Gordon, Pawel Wiatrak
Publikováno v:
American Journal of Agricultural and Biological Sciences. 9:89-93
Polymer coated urea may be a viable option to improve Nitrogen (N) uptake and corn ( Zea mays L.) grain yields, especially in areas with relatively high so il N loss. The objective of this study was to evalu ate the effect of two urea application tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f23ef14382a233adad30040322dbac54
https://doi.org/10.3844/ajabssp.2014.89.93
https://doi.org/10.3844/ajabssp.2014.89.93
Autor:
Jacalyn Duffin
A unique and readable microhistory of an ordinary physician and his community during a period of revolutionary medical change. Duffin bases her insights on a detailed computer-assisted analysis of 40 years of extant daybooks of James Langstaff (1825-
