TY - BOOK AU - Mahto, Bhupal Chandra TI - To Evaluate the Effect of Soil Conservation Measurs on Soil Properties and Crop Yield and Study Their Economics, in the Upland of Chotanagpur U1 - 631.4 PY - 1977/// CY - Pusa,Samastipur PB - RAU KW - Soil & Water Conservation Technology KW - Thesis ER -