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Ladha, J K and Rao, A N and Raman, A and Padre, A T and Dobermann, A and Gathala, M and Kumar, V and Sharawat, Y S and Sharma, S and Piepho, H P and Alam, M M and Liak, R and Rajendran, R and Reddy, C K and Parsad, R and Sharma, P C and Singh, S S and Saha, A and Noor, S (2015) Agronomic improvements can make future cereal systems in South Asia far more productive and result in a lower environmental footprint. Global Change Biology. 01-21. ISSN 1354-1013
Sahrawat, K L (1983) Relationships between soil urease activity and other properties of some tropical wetland rice soils. Fertilizer Research, 4 (2). pp. 145-150. ISSN 0167-1731
Sahrawat, K L and Ponnamperuma, F N (1978) Measurement of exchangeable NH4+ in tropical rice soils. Soil Science Society of America Journal, 42 (2). pp. 282-283. ISSN 0361-5995