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wypward(金币+1):谢谢参与 2010-09-10 08:16:08
atgadktgh(金币+5, 翻译EPI+1):呵呵，我已经自己翻译好了，不过还是谢谢你的回复，可以做下参考。 2010-09-14 11:24:06
Theoretical techniques and current application of nutrient resource management
Dong RZ 2009 384 plant nutrition
Abstract: the nutrient supplied by the soil、fertilizers and environment are nutrient resources in the system which we take as the production process of plants and animals. It’s of vital importance to support the growth of plants. It’s not only increase the agricultural systematic economy and farmers’ direct income by enhancing the rates of resource utilization efficiency, which also stimulates our agriculture’s sustainable development and improves the environmental quality for human survival. Here we analyzed the utilization characteristics of our country’s nutrient resource at the base of describing the theory and principle of nutrient resource’s general management.
Keywords: nutrient resource management; t theoretical techniques; systems in water and dry; tomato; vegetable fields.
The 17 kinds of nutrient elements C,H,O,N,P,S,K,Ca,Mg,B,Mn,Fe,Mu,Zn,Cu,Cl and Ni are necessary for plants’ development is called nutrient. Nutrient resource is intimately associated with resources of which the human beings depending on such as foods, air and water. As is well known, foods are produced by plants by using the water and nutrient from the soil and photosynthesis by absorbing the CO2 from the air. As an important material foundation for keeping the growth of plants, nutrients is not only a life elements and a kind of resource, it’s also a kind of environment pollution when it existed in the air with a high density. Nutrient resources including all the nutrients supplied by soil, chemical fertilizers ,organic fertilizers and environment，so it’s not only the base of sustainable development of agriculture by optimizing the nutrients’ management and keeping the reasonable circulation, it’s also the foundation of keeping the environmental quality of human beings. |
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