00294nam a2200097Ia 4500008004100000082002000041100003600061245006600097260002600163300000700189140113s9999    xx            000 0 und d  a631.4(540)   K7  a"Kanwar, J.S. & Randhawa, N.S."  aMicronutrient research in soil and plants in India : A review  a1967bICARcNew Delhi  a95