Venkataraman, G. S.
Blue-green algae for rice production : a manual for its promotion / prepared by the FAO/UNDP Regional Project for Improving Soil Fertility through Organic Recycling by G. S. Venkataraman. - Rome : FAO, 1981. - viii, 102 p. : ill. - FAO soils bulletin ; 46 .
Rice--Fertilizers.
Nitrogen-fixing algae as fertilizer.
Blue-green algae for rice production : a manual for its promotion / prepared by the FAO/UNDP Regional Project for Improving Soil Fertility through Organic Recycling by G. S. Venkataraman. - Rome : FAO, 1981. - viii, 102 p. : ill. - FAO soils bulletin ; 46 .
Rice--Fertilizers.
Nitrogen-fixing algae as fertilizer.