00514nam a2200157Ia 4500008004100000020001500041082001800056100002300074245009500097260005400192300000700246650004100253650003400294653001600328653001200344170901s1974    xx            000 0 und d  a0851983049  a633.016bR63A  aRobinson, J. B. D. 0aAnnotated Bibliography of Colour Illustrated Mineral Deficiency Symptoms in Tropical Crops  aBureauxbCommounwealth Agricultural Bureauxc1974  a82  aAgriculture and related technologies  aTechnology (Applied sciences)  aField crops  aTropics