litter fall的例句大全

litterfall will be collected regularly and litter fall bag method will be used for determination of organic matter decomposition in situ.

现地定期收集枯落物，并采用枝葉袋法测定落葉之分解；

dynamic caloric value of casuarina equisetifolia litter fall during decomposition on coast sandy land

滨海沙地木麻黄凋落物分解过程中热值的动态变化

The reason for these phenomena was probably the co-operation of the precipitation, temperature, litter fall and soil microbes.

降雨、温度、凋落物、植物根系以及微生物的活动等因素可能是鼎湖山混交林土壤pH值季节动态变化的主要因素。

much of the nitrogen taken up is returned to the forest floor due to litter fall.

吸收的氮素中的大部分都在当年由于枝叶掉落而归还林地。

as the development of the plantation, the annual amount of litter fall was getting stable gradually.

随着人工林的发育，其凋落物量的年际变化逐渐稳定；

seasonal dynamics and nutrient concentrations in litter fall and the annual flows of n, p, k, ca and mg were studied in longan orchard systems on eroded slope orchard of fujian.

为了了解侵蚀坡地生态果园的物质和能量流动，研究了福建侵蚀坡地果园龙眼凋落物年变化规律和凋落物的养分含量和年库流量。

study on litter fall and nutrient composition of eucalypt plantation with different continuous-planting rotations

不同连栽代次桉树林枯落物及其养分组成研究

litter fall and its seasonal dynamic change of chinese fir plantation

杉木人工林凋落物量及其季节动态

His strange habit makes sense when you consider that he's an environmental scientist who studies how to reduce litter, including things that fall off garbage trucks as they drive down the road ．

如果你把他看作是一个研究如何减少垃圾的环境科学家，连那些路上垃圾车掉下来的东西也会研究，他那些奇怪习惯也就解释得通了。

dynamic change of litter-fall of chinese fir and its major associated tree species in natural mixed forest of chinese fir

天然杉木混交林及主要伴生树种凋落物动态变化

laws of litter-fall decomposition and nutrient release in the pinus massoniana plantation ecosystem

马尾松人工林凋落物分解及养分释放规律