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我国作为全世界的产粮大国,每年对肥料的需求量巨大。目前,我国使用化肥所占肥料的比例很高,但化肥利用率低,不仅浪费资源,增加农民投入,还会造成环境污染。而有机肥与化肥相比,... 我国作为全世界的产粮大国,每年对肥料的需求量巨大。目前,我国使用化肥所占肥料的比例很高,但化肥利用率低,不仅浪费资源,增加农民投入,还会造成环境污染。而有机肥与化肥相比,有机肥使用量少,本身无毒害作用,不会带来环境污染。因此,未来的发展趋势将是有机肥代替化肥。现阶段,我国有机肥生产的主要原材料是畜禽粪便、城市污泥、草炭和作物秸秆等。本文介绍了利用畜禽粪便和城市污泥生产有机肥料在生产工艺流程、产品肥效等方面的状况。并提出了另外一种生产有机肥的原料:果渣。
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2011-05-23 · TA获得超过383个赞
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The our country is the whole world to produce the food big country, huge to the demand of fertilizer annually.Currently, the our country usage turns a fatty comparison of fertilizer shared very high, but turn fatty utilization low, not only waste resource, increase farmer devotion, also will result in pollution of the environment.But organic fatty with turn fatty compare, the organic fatty dosage is little, oneself not poisonous harm a function, can't bring pollution of the environment.Therefore, the future development trend will be organic fatty replace to turn fatty.Currently, the our country organic fatty production mainly original material is livestock excrement, the city dirty mire, grass Tan and farm crop Ji Gan etc..This text's introducing to make use of livestock excrement and dirty mire in the city to produce organic fertilizer is producing the condition of craft process, product fatty effect etc..Also put forward another 1 kind to produce organic fatty raw material:Fruit residue.
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2011-05-23
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As the world's grain production in the country, every year to fertilizer demand huge. At present, China's use of fertilizers accounts for a high proportion of fertilizer, but fertilizer utilization rate is low, not only waste resources, increase farmers' input, still can cause environmental pollution. And compared with fertilizer, organic fertilizer usage less, non-toxic role, won't bring itself pollution of the environment. Therefore, the future trend of development will be organic fertilizer instead of fertilizer. At present, our country is the main raw materials organic production poultry and animal feces, urban sludge, peatmoss and crop straw, etc. This paper describes the use of poultry and animal feces and urban sludge production of organic fertilizer in the production process and product aspects of exploiting the situation. And put forward another kind of production materials: organic fruit dreg.
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