TY  - GEN
AU  - Dixon,  J
AU  - Norman,  D  W
AU  - Pearson,  C J
TI  - Sustainable dryland cropping in relation to soil productivity
SN  - 8120412230
U1  - 631.422 PEA 
CY  - New Delhi, Oxford & IBH publishing co. pvt. ltd
KW  - Soil productivity/ Soil fertility/ Dryland cropping
ER  -