Direct and residual effect of different zinc sources (Zinc sulphate, Zincated urea and Zincated suphala) in rice-pulse-rotation was evaluated. Crop yield, concentration and uptake of zine was high in plots where Zn was applied as zincated urea alone and in combination with zincated suphala. Residual effect on the pod yield of green gram was also found. Residual effect on the zinc uptake both by pod and haulms was not much influenced by zinc sources. None of the zine sources could provide DTPA Zn of 2 ppm (critical limit) after greengram crop in order to raise the third crop
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Madras Agricultural Journal (MAJ)
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Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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