Application of straw and chemical fertilizer could be regarded as a kind of nutrition-resources-saved fertilization system and could provide crop nutrition efficiently.
秸秆还田与氮磷配施可有效供应作物养分，是一种养分资源节约型的施肥制度。
The available biomass resources (e. g. straw and crop residues) for energy use in China are abundant.
可作为能源利用的秸秆 （生物质） 资源在我国是丰富的。
Crop straw is rich in resources, extensive in use, but if not effectively used, it will become a huge source of pollution.
我国农作物秸秆资源丰富，秸秆资源用途广泛，但如果不能有效利用，反而会成为巨大的污染源。
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