00594nam a22002057a 4500 OSt 260506b |||||||| |||| 00| 0 eng d 633.1889 S48N Sinha, S. S. Nitrogen Fertilization and Efficacy of Herbicides Under Different Methods of Upland Rice Cultivation in Calcareous Soil / by S. S. Sinha .- Pusa, Samastipur : RAU , 1990 177p. Ph. D. 1990 Agronomy Calcareous Soil Herbicides Thesis Ph. D. ddc T 50460 50460 0 0 ddc 0 0 RAU RAU 2026-05-06 0.00 0 633.1889 S48N 42771-UL 2026-05-06 2026-05-06 T Gift