TY - BOOK AU - Sukhpreet Singh TI - Productivity Of Direct Seeded Basmati Rice (Oryza sativa L.) Cultivars In Relation To Preceding Green Manuring Crops And Nitrogen Levels Under Basmati Rice -Wheat Cropping System U1 - T631.58 PY - 2022/// CY - Ludhiana PB - Pau KW - Rice 2.Rotation and Crops 3. Cropping System ER -