- Tytuł:
-
Farmers’ agronomic and social evaluation of productivity, yield and N
2 -fixation in different cowpea varieties and their subsequent residual N effects on a succeeding maize crop - Autorzy:
- Źródło:
- Nutrient Cycling in Agroecosystems: (formerly Fertilizer Research). March 2008 80(3):199-209
- Czasopismo naukowe