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Ren Zugan, Chen Yushui, Tang Fuqin, Wang Thnghai, Zhang Yiqing. Effect of Organic and Inorganic Fertilizer Combination on Rice Productivlty and Soil Fertility Ⅱ.Study on the content of microflora in soil and enzymatic activities[J]. Fujian Journal of Agricultural Sciences, 1996, 11(2): 60-64.
Citation:
Ren Zugan, Chen Yushui, Tang Fuqin, Wang Thnghai, Zhang Yiqing. Effect of Organic and Inorganic Fertilizer Combination on Rice Productivlty and Soil Fertility Ⅱ.Study on the content of microflora in soil and enzymatic activities[J]. Fujian Journal of Agricultural Sciences, 1996, 11(2): 60-64.
Ren Zugan, Chen Yushui, Tang Fuqin, Wang Thnghai, Zhang Yiqing. Effect of Organic and Inorganic Fertilizer Combination on Rice Productivlty and Soil Fertility Ⅱ.Study on the content of microflora in soil and enzymatic activities[J]. Fujian Journal of Agricultural Sciences, 1996, 11(2): 60-64.
Citation:
Ren Zugan, Chen Yushui, Tang Fuqin, Wang Thnghai, Zhang Yiqing. Effect of Organic and Inorganic Fertilizer Combination on Rice Productivlty and Soil Fertility Ⅱ.Study on the content of microflora in soil and enzymatic activities[J]. Fujian Journal of Agricultural Sciences, 1996, 11(2): 60-64.
Effect of Organic and Inorganic Fertilizer Combination on Rice Productivlty and Soil Fertility Ⅱ.Study on the content of microflora in soil and enzymatic activities
This study has approached the effect of inorganic nitrogenous fertilizer in combination with organic fertilizer on the microflorain paddy soil and enzymatic activities.The location experiments of 10 rice cropping seasons in five years showed that compared with the relative treatments of equivalent nitrogens urea, the combining treatments of urea separately with Azolla,green manure and barnyard manure revealed that soil bacteria increased by(5.46-7.28)?105, Fungi increased by(0.96-1.96)?103,Actinomycets increased by(10.06-11.30)?104,Azotobacter increased by(7.85-9.56)?104,Urease-producing bacteria increased by(5.66-7.74)?105, the content of soil Hydrogenperoxide enzymatic activities increased by(0.36-0.49)(0.1 mol/L KMnO4ml/g.mil),the content of urease activities increased by 0.83-1.63(NH3-Nmg/g.soil).Meanwhile the combining treatments also raised the nutrition providing capacity in soil and the rice productivities acquired remarkable benefit in soil ecological recycling and economical efficiency.