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Volume 27 Issue 8
Nov.  2012
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Article Contents
CHEN Gui-ying. Fertilization Model and Recommendations for Early Rice[J]. Fujian Journal of Agricultural Sciences, 2012, 27(8): 805-809.
Citation: CHEN Gui-ying. Fertilization Model and Recommendations for Early Rice[J]. Fujian Journal of Agricultural Sciences, 2012, 27(8): 805-809.

Fertilization Model and Recommendations for Early Rice

  • Received Date: 2012-06-15
  • Rev Recd Date: 2012-07-07
  • Publish Date: 2012-08-30
  • Representative soils in Jianyang City were selected to conduct a field NPK fertilization experimentation on Early Rice 3414. The results showed that (a) N exhibited the highest yield increasing effect at 26.0%; (b) P fertilization increased yield 12.2% on average; and (c) K showed the least yield increase at 1.9%. Based on 10 tests on the Early Rice, 3 mathematic models were established. They included the high, medium and low fertilization effect field models. According to the models, the optimum fertilizer applications were N 129.7 kg穐m-2, P2O5 25.0 kg穐m-2, and K2O 102.6 kg穐m-2, with the proportion of N:P:K at 1:0.19:0.79. Using the models, various fertilizations were practiced throughout Jianyang City with satisfactory results.
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