TY - GEN AU - Chopra,U.K. TI - Study of nitrate-N distribution in soil and nitrogen uptake by maize in relation to water application for variable soil conditions, nitrogen placement and seasonal temperature KW - Maize KW - Nitrate KW - Nitrogen KW - Soil KW - Water KW - Temperature KW - Experimentation KW - Urea KW - Fertilizers KW - Soil profile KW - Humidity KW - Production ER -