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当前位置: 首页 > 文章 > 民勤干旱荒漠区纯黏土地不同深度补植造林性状效果对比研究 农业技术与装备 2023 (4) 79-82
Position: Home > Articles > Comparative Study on the Effects of Replanting Characters at Different Depth of Land Preparation on Pure Clay Soil in Minqin Arid Desert Area Agricultural Technology & Equipment 2023 (4) 79-82

民勤干旱荒漠区纯黏土地不同深度补植造林性状效果对比研究

作  者：
盛强文;陈珍新;梁盛山;富雅琼;陆红梅
单  位：
武威市石羊河林业总场
关键词：
整地深度;黏土;土壤水分;困难立地条件;人工补植
摘  要：
人工营造的防护林存在纯胶泥地块、植被稀疏问题,形成"天窗或漏洞",影响防护效益.通过对纯黏土地整地,分别调查不同层次土壤水分含量、补植苗木生长状况,掌握补植不同整地深度对土壤水分分布的影响,探究在干旱荒漠化地区纯胶泥地块补植造林覆土保墒技术,提高荒漠区植被覆盖率,提升森林防护效益.结果表明:①穴深越大打坑用时越多;②前2次浇灌水量与穴深成正比,灌水量依次为T3>T2>T1;③T2生长量增长幅度最大,补植效果最佳;④造林生长量差异T2和T3较T1多1倍;⑤覆土量对补植苗木生长影响较大,N3>N2,明显高于N1;⑥栽植后灌水2~3次最佳.通过试验得出,适合于民勤黏土地成本最低、补植效果最佳的补植定植穴深度为60 cm,为石羊河流域黏土地植被恢复与治理提供参考依据.
译  名：
Comparative Study on the Effects of Replanting Characters at Different Depth of Land Preparation on Pure Clay Soil in Minqin Arid Desert Area
作  者：
Sheng Qiangwen;Chen Zhenxin;Liang Shengshan;Fu Yaqiong;Lu Hongmei;Shiyanghe Forest Farm;
关键词：
land preparation depth;;clay;;soil moisture;;difficult site conditions;;artificial replanting
摘  要：
The artificial shelterbelt has the problems of pure clay plots and sparse vegetation,which forms"skylights or loopholes"and affects the protection efficiency.Through land preparation of pure clay land,soil moisture content at different levels and the growth status of supplementary planting seedlings were investigated,so as to master the influence of different depth of supplementa‐ry planting on soil moisture distribution,explore the supplementary planting technology of afforestation and soil conservation in pure clay plots in arid and desertification areas,improve the vegetation coverage rate in desert areas,and enhance the forest protection effi‐ciency.The results showed that:(1) The larger the hole depth,the more time it takes to make the hole.(2) The water quantity of the first two times was proportional to the hole depth,and the irrigation quantity was in the order of T_3>T_2>T_1.(3) The increase of T_2growth rate was the largest,and the effect of replanting was the best.(4) The difference of afforestation growth in T_(2 )and T_(3 )was twice as much as that in T_1.(5) The amount of soil cover had a great effect on the growth of supplementary seedlings,with N_3>N_(2 )and obviously higher than N_1.(6)After planting,irrigation 2～3 times is the best.The results showed that the depth of planting hole suit‐able for Minqin sticky land with the lowest cost and the best planting effect was 60cm,which provided a reference for vegetation res‐toration and management of sticky land in Shiyanghe basin.

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