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Effect of electric fertilizer on soil properties

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Electric fertilizer, i. e. exerting electric field on plants during growing season instead of chemical fertilizer, is a kind of physical fertilizer, and the third kind of fertilizer with developmental prospect after inorganic fertilizer and organic fertilizer. For the purpose of studying the changes of physical and chemical properties of soil after exerting electric field, five treatments with different applications of chemical fertilizer were arranged on the black soil in Yushu City of Jilin Province by randomized block method, and electric field was exerted on plants every ten days during the growing season. Through sample analysis the paper arrives at following conclusions: 1) Exerting electric field can make soil’s granular structure increase, bulk density decrease, moisture capacity increase, thus improving the perviousness of soil. 2) Exerting electric field can make microorganism’s number increase and activity strengthen, thus activating nutrient and increasing organic matter content. 3) Exerting electric field with 0.1A medium has the best effect. So the chemical fertilizer can be saved. Therefore, we can say that the application of electric fertilizer is favorable for decreasing chemical poison, improving soil, relaxing the contradiction between the supply and demand of chemical fertilizer, and decreasing production cost of agriculture and forestry.

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Biography: WANG Ya-qin (1955–), female, a native of Fuyu City of Jilin Province, associate professor, specialized in soil structure and soil fertilization

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Wang, Yq., Wang, Jh. Effect of electric fertilizer on soil properties. Chin. Geograph.Sc. 14, 71–74 (2004).

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