与此相反，棉花所吸收的氮量和肥料氮利用率均比纯作春棉降低，收获期有较多的氮素滞留于营养器官和铃壳中。
On the contrary, N utilization and absorption by cotton decreased. At harvest, a higher percentage of nitrogen remained in vegetative organs.
这意味着，棉花秸秆等农业废弃物，锯屑，nutshells，椰子壳，稻壳和林业剩余物-树皮，树枝和树干可用于气化使用。
This means that agricultural wastes such as cotton stalks, saw dust, nutshells, coconut husks, rice husks and forestry residues - bark, branches and trunk can be used for gasification.
这意味着，棉花秸秆等农业废弃物，锯屑，nutshells，椰子壳，稻壳和林业剩余物-树皮，树枝和树干可用于气化使用。
This means that agricultural wastes such as cotton stalks, saw dust, nutshells, coconut husks, rice husks and forestry residues - bark, branches and trunk can be used for gasification.
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