TY - BOOK AU - Ratnesh Kumari TI - Effect of Nitrate and Ammonium Ratios on Physiological and Quality Attributes of Hydroponically Grown Leafy Vegetables U1 - T635.4 PY - 2019/// CY - Ludhiana PB - PAU KW - Ammonium 2.Coriander3.Lettuce ER -