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首页> 外文期刊>American journal of applied sciences >Proposed Soil Quality Index for Rehabilitated Tropical Forest Sites in Malaysia
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Proposed Soil Quality Index for Rehabilitated Tropical Forest Sites in Malaysia

机译：拟议中的马来西亚恢复热带森林用地的土壤质量指数

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A proposed soil quality index named Tropical Soil Quality Index 2 (TSQI2) was developed in this study using statistical analysed data of selected properties (physical, chemical and biological) of composite soil samples collected from natural, secondary and rehabilitated forests of Chikus and Tapah Hill Forest Reserves, Perak, Malaysia. Results of soil evaluation using TSQI2 showed higher values for planted forest in Chikus Forest Reserve compared to those of the rehabilitated forest in Tapah Hill Forest Reserve. Likewise, rehabilitated forest of Tapah Hill Forest Reserve had slightly higher index value compared to that of the secondary forest. The higher index for rehabilitated Chikus Forest Reserve compared to that of the natural forest was due to high MBC/MBN ratio values. The reason for this condition was the lower amount of microbial biomass nitrogen as compared to microbial biomass carbon. Plant growth performance of dominant trees species showed that Shorea leprosula was high in natural forests, followed by rehabilitated forest of Tapah Hill Forest Reserve. The newly proposed TSQI2 (which had been validated using actual data) is suitable for determining the quality of natural and rehabilitated forests in tropical regions.
机译：在这项研究中，使用从Chikus和Tapah Hill的天然，次生和恢复森林中收集的复合土壤样品的选定特性（物理，化学和生物学）的统计分析数据，开发了拟议的土壤质量指数，称为热带土壤质量指数2（TSQI2）。马来西亚霹雳州森林保护区。使用TSQI2进行土壤评估的结果显示，与塔帕山森林保护区的恢复森林相比，Chikus森林保护区的造林价值更高。同样，与次生林相比，塔帕山森林保护区的恢复林的指数值略高。与天然林相比，恢复的Chikus森林保护区指数较高，这是由于MBC / MBN比值较高。造成这种情况的原因是微生物生物量氮比微生物生物量碳低。优势树种的植物生长性能表明，天然天然林的麻风树（Shora leprosula）较高，其次是塔帕山森林保护区的恢复森林。新提出的TSQI2（已使用实际数据进行了验证）适用于确定热带地区天然林和恢复林的质量。

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