Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Tracy I. Hewitt"'
Publikováno v:
Journal of Agricultural and Resource Economics, Vol 23, Iss 2, Pp 445-467 (1998)
Timing nitrogen applications to the biological needs of a crop is an effective way to reduce nitrogen losses to the environment. However, this strategy may carry a production risk and conflict with farmers' economic objectives. A field-level producti
Externí odkaz:
https://doaj.org/article/c89b00ae8c8344b7a1f3fa7dbff2bc72
Theologian, academic, and third-generation organic farmer Frederick L. Kirschenmann is a celebrated agricultural thinker. In the last thirty years he has tirelessly promoted the principles of sustainability and has become a legend in his own right. C
