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当前位置: 首页 > 文章 > 北方地区杨树不同营林模式对土壤理化性质的影响 防护林科技 2019 (11) 35-37
Position: Home > Articles > Effects of Different Silvicultural Modes on Physical and Chemical Properties of Soil for Poplar in Northern China Protection Forest Science and Technology 2019 (11) 35-37

北方地区杨树不同营林模式对土壤理化性质的影响

作  者：
贾晓光
单  位：
辽宁省国有建平县马场机械林场
关键词：
营林模式;杨树;土壤理化性质;北方地区
摘  要：
为了筛选出适合在我国北方地区推广的杨树营林模式,选择了杨树纯林、杨树与刺槐混交、杨树与三七混种、杨树与花生混种4种营林模式进行比较试验,研究不同营林模式对杨树林分土壤理化性质的影响,结果表明:杨树纯林的土壤含水量最低,中砂、粗砂占比最高,说明杨树纯林可以加剧土壤的沙化,不利于提高土壤的蓄水能力;杨树与刺槐混交、杨树与花生混种、杨树与三七混种,相对于杨树纯林,土壤中的含水量有所提高,粗砂、中砂的占比降低,黏粒、细粉粒比例提高,以林药模式保持水土效果最佳,其次为农林模式。建议推广杨树与药材、杨树与农作物2种模式。
译  名：
Effects of Different Silvicultural Modes on Physical and Chemical Properties of Soil for Poplar in Northern China
作  者：
Jia Xiaoguang;State-owned Machang Machinery Forest Farm,Jianping County, Liaoning Province;
关键词：
silvicultural modes;;poplar;;soil physical and chemical properties;;northern region
摘  要：
In order to screen out the camping model suitable for promotion in northern China, four treatments(pure forest of Populus sp., mixed forest of Populus sp. with Robinia pseudoacacia, mixed planted with Populus sp. and Panax pseudoginseng, Populus sp. and peanut) were compared. Result shows that:Pure poplar forest has the lowest soil moisture content, and the proportion of medium and coarse sand is the highest;it indicates that pure poplar forest can aggravate soil desertification and is not conducive to improving soil water storage capacity; mixed forest of poplar with Robinia pseudoacacia, mixed forest of poplar and peanut, mixed forest of poplar with Panax pseudoginseng, compared with pure forest of poplar, the water content in the soil has increased;the proportion of coarse sand and medium sand decrease, and the proportion of clay particles and fine powder particles increase. The soil and water conservation effect is optimal in the forest medicine mode, followed by the agricultural and forestry mode. It is suggested to promote two modes(poplar and medicinal materials, poplar and crops).

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