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Effect of continous application of N, P, K, and Zn on yield, nutrient uptake and build-up and depletion of nutrients from the soil in a fixed maize-wheat crop rotation

By: Material type: TextTextPublication details: Ludhiana P. A. U 1974Edition: COADescription: 67+10LSubject(s): DDC classification:
  • t 633.1 J46E
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