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目前全球化肥消耗巨大，磷、钾资源短缺已日趋严重，生产氮肥要消耗大量的能源，而且，肥料利用率极低，浪费十分严重.因此，许多植物营养学家都在寻找其它的生物学途径，以求在保持作物产量进一步提高的前提下减少肥料的投入.例如，筛选和培育高营养效率的作物资源和微生物资
At present, the global fertilizer consumption is huge, the shortage of phosphorus and potassium resources has become more and more serious, the production of nitrogen fertilizer consumes a large amount of energy, and the utilization rate of fertilizers is very low and the waste is very serious. Therefore, many plant nutritionists are looking for other biological ways With a view to reducing the input of fertilizers while keeping crop production even higher, for example by screening and cultivating high nutrient efficiency crop resources and microbiological resources