Study on Comprehensive Techniques and Increasing Yield Benefits in Arid Farmland

Xin Yequan; Cong Xinhai; Wan Huie; Liu Zhongmin; Liu Hanzhang; Zhang Yuqin; Kuan Mingliang; Ma Zhiyu

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Study on Comprehensive Techniques and Increasing Yield Benefits in Arid Farmland

- Study on Comprehensive Techniques and Increasing Yield Benefits in Arid Farmland
- Bulletin of Soiland Water Conservation Vol. 11, Issue 6, Pages: 1-10(1992)
- 作者机构：
  
  中国科学院、水利部西北水土保持研究所陕西杨陵,712100
- 作者简介：
- 基金信息：
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- Published：1992
- 稿件说明：
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Xin Yequan, Cong Xinhai, Wan Huie, et al. Study on Comprehensive Techniques and Increasing Yield Benefits in Arid Farmland[J]. Bulletin of Soiland Water Conservation, 1992, 11(6): 1-10.
DOI：

Xin Yequan, Cong Xinhai, Wan Huie, et al. Study on Comprehensive Techniques and Increasing Yield Benefits in Arid Farmland[J]. Bulletin of Soiland Water Conservation, 1992, 11(6): 1-10. DOI：

摘要

宁夏南部半干旱水土流失地区

在作物合理布局的基础上

建立以粮——豆——草轮作为中心的综合配套技术体系

做到轮作制度化、栽培规范化

施肥模式化。系统内的能量转化效益提高14.7%

粮食单产和总产分别较实验前提高1.2倍和1倍。其中“轮作中心的平衡施肥”

既考虑到氮、磷等主要营养元素的协调平衡

也考虑到周期性的供求平衡

提高了系统内土壤养分的调控能力和稳定性。

Abstract

The conprehensive arrangoment technical system that takes the rotation of grain - bean -grass as a center has been developed in semiarid areas with soil and water loss of South Ningxia。The system is able to make the rotation into systematization

the culture into standardization andmanure application into patternization

the efficiency of energy transformation

crop yield and to-tal yield in this system can be increased by 14. 7 percent

1. 2 time and 1 time respectively。Among those the balanced manure spreading in rotation can not only coordinate the balance of major nu-trients and periodicity between need and supply

but also improve the ability and stability of ad-justment and control for soil nutrients in this system.

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