Effects of Long-term Fertilization on Lateritic Red Soil Traits In Cropping-green Manure Planting System

ZHANG Chenglan1; 2; AI Shaoying1

doi:10.13870/j.cnki.stbcxb.2016.05.031

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Effects of Long-term Fertilization on Lateritic Red Soil Traits In Cropping-green Manure Planting System

更新时间：2025-03-12

- Effects of Long-term Fertilization on Lateritic Red Soil Traits In Cropping-green Manure Planting System
- Vol. 30, Issue 5, Pages: 184-189(2016)
- 作者机构：
  
  1. 广东省农业科学院农业资源与环境研究所，农业部南方植物营养与肥料重点实验室，广东省养分资源循环利用与耕地保育重点实验室,广州,510640
  2. 华中农业大学资源与环境学院,武汉,430070
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2016.05.031
  CLC： S158.3
- Published：2016
- 稿件说明：
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ZHANG Chenglan1, 2, AI Shaoying1. Effects of Long-term Fertilization on Lateritic Red Soil Traits In Cropping-green Manure Planting System[J]. 2016, 30(5): 184-189.
DOI：

ZHANG Chenglan1, 2, AI Shaoying1. Effects of Long-term Fertilization on Lateritic Red Soil Traits In Cropping-green Manure Planting System[J]. 2016, 30(5): 184-189. DOI： 10.13870/j.cnki.stbcxb.2016.05.031.

摘要

为阐明双季稻—绿肥种植模式下长期施肥对赤红壤肥力性状的影响，探讨土壤持续利用的培肥模式。通过长期定位田间试验，研究了长期不同施肥处理对赤红壤性水稻土土壤养分、酶活性及微生物性状的影响。结果表明：与不施肥相比，长期施肥显著增加了土壤有机质、碱解氮、有效磷、速效钾等养分含量，提高土壤蔗糖转化酶、脲酶、磷酸酶活性以及土壤微生物量碳氮含量和微生物群落物种丰富度、优势度、均匀度。其中土壤养分含量增加了4.5%～117.2%，酶活性提高了4.9%～68.1%，微生物多样性提高了3.2%～71.9%，微生物量碳氮的含量分别增加了7.8%～36.9%，21.4%～65.7%，且以单施有机肥（M）效果最为显著，其次为有机无机肥配施处理（NPKM）及氮磷钾肥+秸秆还田处理(NPKS)。土壤养分与土壤酶活性、微生物多样性及微生物量碳氮含量之间存在显著的相关性（P＜0.05）。总体上，长期单施有机肥或有机无机配施对于双季稻-绿肥种植系统土壤具有良好的培肥效果。

Abstract

The aim of this study was to investigate effects of long-term fertilization on lateritic red soil fertility in cropping-green manure planting system and provided corresponding sustainable management. A long-term field experiment was conducted to study the effects of different fertilization method on soil nutrients

enzyme activities and microbial traits in lateritic red soil. The results showed that : Compared to the control treatment

long-term fertilization significantly increased the soil organic matter

alkali solution nitrogen

phosphorus

rapidly-available potassium nutrient

and improved the soil sucrose invertase

urease and phosphatase activities

and increased the content of soil microbial biomass carbon and nitrogen and microbial community species richness

dominance

evenness. The long-term fertilization increased soil nutrient content by 4.5%～117.2%

enzyme activity by 4.9%～68.1% and microbial diversity by 3.2%～71.9%

respectively. The microbial biomass carbon and nitrogen content were increased by 7.8%~36.9% and 21.4%~65.7%

and the most significant effect was observed as following: Organic manure (M)

organic and inorganic fertilizer treatment (NPKM) and straw with inorganic fertilizer treatment (NPKS). The significant correlations were found between soil nutrient

soil enzyme activity

microbial diversity as well as microbial biomass carbon and nitrogen (p＜0.05). In summary

the long-term single organic fertilizer or organic combined with inorganic fertilization was a good measure for fertility improvement in soil of cropping-green manure planting system.

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