Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Fred E. Koehler"'
Autor:
Fred E. Koehler, R. V. Olson
Publikováno v:
Changing Patterns in Fertilizer Use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ea11cbd2701b7963e6e2e8fce8c4489
https://doi.org/10.2136/1968.changingpatterns.c10
https://doi.org/10.2136/1968.changingpatterns.c10
Publikováno v:
Agronomy Journal. 86:637-642
Studies to increase profitability and N use efficiency in winter wheat (Triticum aestivum L.) production are needed to develop more sustainable agricultural systems in the 480- to 65o-mm precipitation zone of northern Idaho and eastern Washington. Fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1be3048365b51572c241e2f05c96229d
https://doi.org/10.2134/agronj1994.00021962008600040010x
https://doi.org/10.2134/agronj1994.00021962008600040010x
Autor:
Wm. A. Albrecht, Fred E. Koehler
Publikováno v:
Plant and Soil. 4:336-344
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40e66615330823977eb4c6dc5c86de03
https://doi.org/10.1007/bf01435504
https://doi.org/10.1007/bf01435504