Bacteriological and chemical studies in rice straw compost. VI. Effect of calcium.
D002119:Calcium Carbonate; D005308:Fertilizers; D006812:Humic Substances; D012275:Oryza; D012987:Soil / Q000032:analysis; D012988:Soil Microbiology; D013997:Time Factors
D005308:Fertilizers; D006812:Humic Substances; D012987:Soil; D002119:Calcium Carbonate