【摘要】 本文研究了落叶松人工林枯落物的酸度变化、浸提液的离子含量、腐殖质组成以及微生物含量的变化,并与混交林的枯落物特征进行了比较,探讨了枯落物的矿质养分及水溶性物质的含量,为进一步研究落叶松人工林地力问题提供了借鉴。更多还原

【Abstract】 Change of acidity, ion content in extracting solution, composition of humus and change of microbial content in litter fall of Larix gmelinii Rupr. plantation have been studied in this paper. At the meantime, characteristics of mixed forest and plantation of larch have been compared, and the content of mineral nutrient and watersoluble substance in litter fall have been discussed, which have been used for reference to make research on land capability in Larix gmelinii Rupr. plantation更多还原