TY - SER TI - Nutrient cycling in agroecosystems SN - 1385-1314 AV - S631 N88 PY - 1996///- CY - Dordrecht, The Netherlands, Boston PB - Kluwer KW - Fertilizers KW - Periodicals KW - Nutrient cycles KW - Cropping systems KW - Environmental aspects N1 - Tables of contents available online without subscription ER -