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Global nitrogen budgets in cereals: A 50-year assessment for maize, rice, and wheat production systems by Ladha, J.K., Tirol-Padre, A., Reddy, C.K., Cassman, K.G., Verma, Sudhir, Powlson, D.S., van Kessel, C., de B. Richter, Daniel, Chakraborty, Debashis, Pathak, Himanshu

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Nitrogen use efficiency in selected rice (Oryza sativa L.) genotypes under different water regimes and nitrogen levels by Haefele, S.M., Jabbar, S.M.A., Siopongco, Joel D. L. C., Tirol-Padre, A., Amarante, S.T., Sta Cruz, P.C., Cosico, W.C.

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Saving of water and labor in a rice-wheat system with no-tillage and direct seeding technologies by Bhushan, Lav, Ladha, Jagdish K., Gupta, Raj K., Singh, S., Tirol-Padre, A., Saharawat, Y.S., Gathala, M., Pathak, H.

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Organic amendments affect soil parameters in two long-term rice-wheat experiments by Tirol-Padre, A., Ladha, J.K., Regmi, A.P., Bhandari, A.L., Inubushi, K.

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Integrating rice and wheat productivity trends using the SAS mixed-procedure and meta-analysis by Tirol-Padre, A., Ladha, J.K.

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Assessing the reliability of permanganate-oxidizable carbon as an index of soil labile carbon by Tirol-Padre, A., Ladha, J.K.

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Genotypic variation in nitrogen use efficiency in medium- and long-duration rice by Singh, U., Ladha, J.K., Castillo, E.G., Punzalan, G., Tirol-Padre, A., Duqueza, M.

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Grain yield performance of rice genotypes at suboptimal levels of soil N as affected by N uptake and utilization efficiency by Tirol-Padre, A., Ladha, J.K., Singh, U., Laureles, E., Punzalan, G., Akita, S.

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A Plant Sampling Procedure for Acetylene Reduction Assay to Detect Rice Varietal Differences in Ability to Stimulate N2 Fixation by Tirol-Padre, A., LADHA, J., Punzalan, G., Watanabe, I.

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The Effects on N2 Fixation (C2H2 Reduction), Bacterial Population and Rice Plant Growth of Two Modes of Straw Application to a Wetland Rice Field by Ladha, J.K., Tirol-Padre, A., Daroy, M.L.G., Punzalan, G., Watanabe, I.

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