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Effects of Fertilizer on Growth, Yield and Leaf Mineral Contents of Pigeon Peas

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  • Hammerton, John L.

Abstract

Application of a compound fertilizer to supply 224 kg/ha each of N, P2Og and K^O in 5 equal doses during flowering, increased the yield of June-sown dwarf pigeon peas by 25% over the untreated control. The same total quantity during vegetative growth or over the entire growth period gave much lower yields. The Ν and Ρ contents of a standard leaf were increased by fertilizer application, but neither leaf-N nor-P appeared related to yield. Fertilizer application to a November-sown high density crop increased the yield of only one of three cultivars, in an experiment in which yields were very poor. Nitrogen alone decreased yields in a September-sown trial as did MNS04 as spray or soil drench and complete fertilizer as drench. The effects of fertilizers on branch number and plant height were generally small and variable.

Suggested Citation

  • Hammerton, John L., 1973. "Effects of Fertilizer on Growth, Yield and Leaf Mineral Contents of Pigeon Peas," 11th Annual Meeting, July 2-6, 1973, Cave Hill, Barbados 263455, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs11:263455
    DOI: 10.22004/ag.econ.263455
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