The Adsorption of Heavy Metals with Defoliation of Phoenix tree is Researched;
落叶对重金属吸咐的初步研究
Effects of environmental factors on the progress of defoliation dormancy and flowering of late-ripening cultivar of Prunus persica;
环境因素对晚熟桃落叶休眠与开花进程的影响
The characteristics of nutrient transformations were researched during co-composting of tree leaves,spent mushroom compost and chicken manure in a cylindrical composting barns with cubage of 0.
以落叶、蘑菇渣和鸡粪为原料,在长45。
The decomposition rate and nutrient dynamics of leaf litters for 8 species of trees was studied, The rates (%)of dry matter loss per year by decomposition were: Pinus elliottii 32.
对 8个树种落叶的分解进行了研究 ,各树种落叶年分解失重率分别是 :湿地松 3 2 。