Effect of Different Fertilization Patterns on Losses of Soil, Water and Nitrogen, Phosphorus from Tea Garden in Eastern Fujian Province
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    Abstract:

    [Objective] The effect of fertilization patterns on losses of soil, water and nitrogen, phosphorus from tea garden in eastern Fujian Province was studied in order to provide a scientific basis for evaluation and prevention and control of soil and water loss in this region. [Methods] The experiment contained six treatments: no fertilization(CK), chemical fertilizers(NPK), half-organic manure plus half-chemical fertilizers(1/2 NPKOM), organic manure(OM), legume stover returned plus chemical fertilizers(NPKL), half-organic manure plus legume stover returned plus half-chemical fertilizers(1/2 NPKOM+L). [Results] Among all the treatments, water losses were ranked as OM > 1/2 NPKOM > NPKL > CK > NPK > 1/2 NPKOM+L, and soil losses followed the orders of OM > 1/2 NPKOM > NPKL > CK > NPK > 1/2 NPKOM+L. Furthermore, the OM treatment had maximum concentrations of soil nutrients including total N (TN), dissolved N (DN), NO3-N, NH4+-N, total P(TP) and dissolved P(DP) losses in runoff, while the 1/2 NPKOM+L treatment had minimum concentrations of those nitrogen and phosphorus fractions compared to other fertilizer treatments. Similarly, the contents of TN, TP in sediment were the highest in OM treatment, but the lowest in 1/2 NPKOM+L treatment. [Conclusion] The 1/2 NPKOM+L treatment could be considered as a better choice of fertilization practice with respect to reducing soil, water, and nitrogen, phosphorus nutrient losses from tea soils in the region.

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王利民,林新坚,黄东风,李卫华,范平.不同培肥模式下闽东茶园水土及其氮磷流失特征[J].水土保持通报英文版,2015,35(4):69-72,78

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History
  • Received:June 20,2014
  • Revised:July 02,2014
  • Adopted:
  • Online: April 05,2016
  • Published: