TY - GEN AU - Nelson, Werner L AU - Tisdale, Samuel L TI - Soil fertility and fertilizers SN - 8120309758 U1 - 631.8 TIS CY - New Delhi, Prentice- Hall of India KW - Soil fertility of plant nutrition/ Ion exchange in soils/ peyde/ Micronutrients/ Macronutrients/ soil acidity/ Fertilizers/ application/ Remote sensing ER -