Gupta,R P
Soil managent to increase crop production : a consolidated report 1967-82 of all India coordinated research project on improvement of soil physcial conditions to increase agricultural production of problematic areas - New Delhi ICAR 1984 - 101
Economic analysis
Physical analysis
631.407 / GUP/SO
Soil managent to increase crop production : a consolidated report 1967-82 of all India coordinated research project on improvement of soil physcial conditions to increase agricultural production of problematic areas - New Delhi ICAR 1984 - 101
Economic analysis
Physical analysis
631.407 / GUP/SO