不同培肥模式下闽东茶园水土及其氮磷流失特征

王利民; 林新坚; 黄东风; 李卫华; 范平

doi:10.13961/j.cnki.stbctb.2015.04.015

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不同培肥模式下闽东茶园水土及其氮磷流失特征

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- 不同培肥模式下闽东茶园水土及其氮磷流失特征
- Effect of Different Fertilization Patterns on Losses of Soil, Water and Nitrogen, Phosphorus from Tea Garden in Eastern Fujian Province
- 水土保持通报 2015年35卷第4期页码：69-72
- 作者机构：
  
  福建省农业科学院土壤肥料研究所,福建,福州,350013
- 作者简介：
- 基金信息：
  
  国家科技支撑计划项目"主要类型农牧废弃物制肥质量控制及产业化循环利用集成示范"(2012BAD14B15-6);福建省农业科学院博士科研启动基金项目(2010BS-7);福建省自然科学基金项目(2011J05057);福建省农业科学院青年人才创新项目(2014CX-5)
- DOI：10.13961/j.cnki.stbctb.2015.04.015
  中图分类号：
- 纸质出版：2015
- 稿件说明：
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王利民, 林新坚, 黄东风, 等. 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, 2015,35(4):69-72.

WANG Limin, LIN Xinjian, HUANG Dongfeng, et al. Effect of Different Fertilization Patterns on Losses of Soil, Water and Nitrogen, Phosphorus from Tea Garden in Eastern Fujian Province[J]. Bulletin of Soiland Water Conservation, 2015, 35(4): 69-72.
王利民, 林新坚, 黄东风, 等. 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, 2015,35(4):69-72. DOI： 10.13961/j.cnki.stbctb.2015.04.015.

WANG Limin, LIN Xinjian, HUANG Dongfeng, et al. Effect of Different Fertilization Patterns on Losses of Soil, Water and Nitrogen, Phosphorus from Tea Garden in Eastern Fujian Province[J]. Bulletin of Soiland Water Conservation, 2015, 35(4): 69-72. DOI： 10.13961/j.cnki.stbctb.2015.04.015.

摘要

[目的] 研究不同培肥模式对闽东茶园水土及其氮磷流失的影响

为该区茶园水土流失评价及防控提供科学依据。[方法] 通过径流小区试验

设置6个处理:全量化肥(NPK)

半量化肥+半量有机肥(1/2 NPKOM)

全量有机肥(OM)

全量化肥+豆科绿肥(NPKL)

半量化肥+半量有机肥+豆科绿肥(1/2NPKOM+L)和不施肥(CK)。[结果] 不同培肥处理下径流流失量的大小顺序为:OM > 1/2 NPKOM > CK > NPKL > 1/2NPKOM+L > NPK

泥沙流失量表现为:OM > 1/2 NPKOM > NPKL > CK > NPK > 1/2NPKOM+L;OM处理中径流携带的全氮、可溶性氮、硝态氮、铵态氮、全磷、可溶性磷等氮磷组分的流失量均较高

而1/2 NPKOM+L中这些氮磷组分流失量则相对较低

且泥沙结合态的全氮、全磷流失量在各处理中也有类似的变化规律。[结论] 1/2NPKOM+L处理在减控茶园水土及其氮磷流失方面具有良好的保土保肥效果。

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.

关键词

Keywords

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