Studies on the effect of azolla and organic manures for N economy in rice (co.37)
Kannan,V.
Studies on the effect of azolla and organic manures for N economy in rice (co.37) - 87p+24Table+5Fig.+1Plates
Agricultural economics
Ferms
Green manures
Grain croops
Cereals
Nutrients
Varieties
Studies on the effect of azolla and organic manures for N economy in rice (co.37) - 87p+24Table+5Fig.+1Plates
Agricultural economics
Ferms
Green manures
Grain croops
Cereals
Nutrients
Varieties