TY  - BOOK
AU  - Krishna, K. R
TI  - Agrosphere : nutrient dynamics, ecology, and productivity
SN  - 9781578082759
U1  - 631.422 KRI 
PY  - 2003///
CY  - Enfield, NH
PB  - Science Publishers
KW  - Agricultural ecology
KW  - Agriculture - Environmental aspects
KW  - Crops and soils
KW  - Soil fertility
N1  - Includes bibliographical references and index
ER  -