Soil Improvement Effects of Planting Patterns on Mining Abandoned Lands on the Loess Plateau

YANG Shuai1; 2

doi:10.13870/j.cnki.stbcxb.2017.03.024

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Soil Improvement Effects of Planting Patterns on Mining Abandoned Lands on the Loess Plateau

更新时间：2025-03-12

- Soil Improvement Effects of Planting Patterns on Mining Abandoned Lands on the Loess Plateau
- Vol. 31, Issue 3, Pages: 134-140(2017)
- 作者机构：
  
  1. 中国科学院水利部水土保持研究所，陕西杨凌,712100
  2. 中国科学院大学,北京,100049
  3. 西北农林科技大学水土保持研究所，陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2017.03.024
  CLC： S157.4+31
- Published：2017
- 稿件说明：
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YANG Shuai1, 2. Soil Improvement Effects of Planting Patterns on Mining Abandoned Lands on the Loess Plateau[J]. 2017, 31(3): 134-140.
DOI：

YANG Shuai1, 2. Soil Improvement Effects of Planting Patterns on Mining Abandoned Lands on the Loess Plateau[J]. 2017, 31(3): 134-140. DOI： 10.13870/j.cnki.stbcxb.2017.03.024.

摘要

为探讨不同植物种植模式对矿山废弃地土壤肥力快速改良的效果，选取8种典型的植物种植模式（黑麦草、草木樨、沙打旺、小冠花、紫穗槐、紫穗槐+小冠花、紫穗槐+黑麦草和草木樨+黑麦草）。通过野外土壤采样与室内养分测定并结合主成分分析方法，对不同植物及种植模式下的土壤肥力进行了相关分析。结果表明：不同种植模式均能较好改善土壤水分状况，土壤含水率平均值比对照高8.7%；不同种植模式下土壤含水率随着土层深度的增加，总体呈增加—减少—增加—稳定发展趋势；植物对土壤蓄水保水效果的改良主要体现在0—40 cm的土层中；土壤中的各养分指标质量分数总体表现为0—10 cm土层大于10—20 cm土层，呈现出一定的表聚效应；植物生长初期，不同种植模式对矿山废弃地土壤的改良效果依次表现为沙打旺>草木樨>黑麦草>草木樨+黑麦草>紫穗槐+小冠花>紫穗槐+黑麦草>紫穗槐>小冠花，单播种植模式相对优于混播种植模式。研究结果可为今后矿山废弃地重构土壤的水分变化研究、优良种植模式及土壤肥力的快速改良提供参考。

Abstract

In order to study the effects of different plant cultivation patterns on soil fertility of mining abandoned lands

this paper selected eight typical plant cultivation patterns (Lolium perenne L.

Melilotus suaveolens Ledeb.

Astragalus adsurgens

Coronilla varia L.

Amorpha fruticosa Linn.

Amorpha fruticosa Linn.+ Coronilla varia L.

Amorpha fruticosa Linn. + Lolium perenne L.

and Melilotus suaveolens Ledeb. + Lolium perenne L.). Soil fertility of different plants and planting patterns were analyzed by soil sample collection

lab analysis and principal component analysis. The results showed that different planting patterns could improve soil water conditions

the average soil water content was 8.7% higher than that of the control. With the increase of soil depth

soil water content under different planting modes showed an increase-decrease-increase-stable development trend. The improvement effect of plants on soil water retaining was mainly reflected in the 0-40 cm soil layer. The total quality score of each nutrient in the soil was larger in the 0-10 cm soil layer than in the 10-20 cm soil layer

showing a certain aggregation effect. In the early stage of plant growth

the effects of different planting patterns in the soil of mining abandoned land followed the order of Astragalus adsurgens > Melilotus suaveolens Ledeb. > Lolium perenne L. > Melilotus suaveolens Ledeb. + Lolium perenne L. > Amorpha fruticosa Linn. + Coronilla varia L. > Amorpha fruticosa Linn. + Lolium perenne L. > Amorpha fruticosa Linn. > Coronilla varia L. Unicast planting patterns were better than mixed cropping patterns. The results can provide a reference for the study of soil moisture change

the good planting pattern

and the rapid improvement of soil fertility in the future.

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