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Studies of the Zinc Requirements of Different Crops

  • K. N. Tiwari (a1) and A. N. Pathak (a1)

Summary

A field experiment was conducted for two consecutive years commencing in 1979–80 on the Indo-Gangetic alluvial soil of Pura to investigate the requirements for zinc of wheat, chickpea, mustard and Egyptian clover. Chickpea and Egyptian clover were more sensitive to zinc deficiency than wheat and mustard, respectively. Average total dry matter production by Egyptian clover and wheat was larger than mustard and chickpea. Egyptian clover and wheat required more zinc to achieve maximum dry matter production but they also recovered from the soil a larger proportion of applied zinc than chickpea and mustard. Mustard produced the most dry matter per unit of zinc absorbed.

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References

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Chapman, H. D. (1966). Diagnostic Criteria in Plants and Soils, 484499. Berkeley: University of California.
Jackson, M. L. (1967). Methods of Soil Chemical Analysis. New Delhi: Prentice Hall of India.
Katyal, J. C., Randhawa, N. S. & Sharma, B. D. (1980). 12th Annual Progress Report of the ICAR All India Coordinated Scheme of Micronutrients in Soils and Plants, 1978–79.
Takkar, P. N. & Randhawa, N. S. (1978). Micronutrients in Indian agriculture. Fertilizer News 23(7): 3137.
Tiwari, K. N. & Pathak, A. N. (1976). Direct, residual and cumulative effects of applied zinc on yield, chemical composition and ion uptake by rice and wheat crops in a fixed rotation under field conditions. Fertilizer News 21(7): 3137.
Viets, F. G. (Jr.), Boawn, L. C. & Crawford, C. L. (1954). Zinc contents and deficiency symptoms of 26 crops grown on a zinc deficient soil. Soil Science 78: 305316.

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