Summary
A green-house experiment was conducted to study P−Cu relationship in wheat variety S-308 grown up to maturity. Treatments included five levels, each of P (0, 25, 50, 100 and 250 ppm) and Cu (0, 2.5, 5, 10 and 50 ppm) in all possible combinations. The yield, P and Cu concentration were more with the application of Cu upto 5 ppm with P, and P upto 50 ppm with Cu, over P alone and Cu alone, respectively. Application of 50 ppm Cu adversely affected yield and P concentration and 250 ppm P adversely affected yield and Cu concentration. Application of affected nutrient counteracted to a great extent the adverse effect of the other nutrient. The low levels of P and Cu were essential for better plant growth and efficient utilization of both the nutrients and antagonism was noted only when one of the nutrients was applied in high quantities.
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Contribution from the Department of Soils, Haryana Agric. Univ., Hissar-India.
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Shukla, U.C., Singh, N. Phosphorus-copper relationship in wheat. Plant Soil 53, 399–402 (1979). https://doi.org/10.1007/BF02277874
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DOI: https://doi.org/10.1007/BF02277874