Adoption of high production technology and cultivation of high yielding varieties have put tremendous pressure on soil nutrient reserve in the country leading to a great imbalance in nutrient status in the soil. A large chunk of soil in the country has been rendered deficient in micronutrients, which is one of the major reasons that crops have stopped responding to fertilizers, according to Dr. M Anandaraj, Director of Indian Institute of Spices Research (IISR) in Kozhikode.Proven Studies show that 40-55 per cent of soils are moderately deficient in micronutrients like Zn (Zinc), while 25-30 per cent is deficient in B (Boron). Deficiency of other...
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