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本试验通过对两种不同土壤的比较,得出以下结论:含有机质和微生物多的土壤能在施肥后初期有效地固定氮素,将矿化氮转变为有机氮长期固定,而在中后期,由于里面的反硝化细菌比较多,...
本试验通过对两种不同土壤的比较,得出以下结论:含有机质和微生物多的土壤能在施肥后初期有效地固定氮素,将矿化氮转变为有机氮长期固定,而在中后期,由于里面的反硝化细菌比较多,会消耗更多的氮素,不利于氮肥的有效利用。
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This experiment through to two kind of different soils comparisons,draws following conclusion: Contains the organic matter andmicroorganism many soils can after applying fertilizer the initialperiod effectively fixed nitrogen, will mineralize the nitrogen totransform long-term into the organic nitrogenous fixed, but in centerlater period, because the inside denitrifying bacteria quite will bemany, will be able to consume more nitrogens, will be disadvantageousto the nitrogenous fertilizer effective use.
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The trial of two different soil, come to the following conclusions : Containing more organic matter and microorganisms in the soil after the initial fertilization effective nitrogen fixation. Mineralization of nitrogen into long-term organic nitrogen fixation, and in late because of the inside denitrifying bacteria more. consume more of the nitrogen is not conducive to the effective use of nitrogen fertilizer
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