Effect of different biogas slurry irrigation amounts on the yield and quality of Zizania caduciflora and soil fertility

›› 2013, Vol. 25 ›› Issue (6): 0-1341.

• 环境科学 •

Effect of different biogas slurry irrigation amounts on the yield and quality of Zizania caduciflora and soil fertility

XI Hui;XUE Zhi\|yong;*;CHEN Xi\|jing;JIANG Li\|na;WANG Wei\|ping

1School of Environmental Sciences and Resources，Zhejiang A & F University，Linan 311300，China；2 Institute of Environment Resources & Soil Fertilizer，Zhejiang Academy of Agricultural Science，Hangzhou 310021，China

Received:1900-01-01 Revised:1900-01-01 Online:2013-11-25 Published:2013-11-25

Abstract

Abstract: A field experiment was conducted to determine effects of different biogas slurry irrigation amounts on yield and quality of Zizania caduciflora and soil fertility as well as safety digestion capacity of biogas slurry. The results showed that application of 420-1 260 t · hm-2 biogas slurry increased Zizania caduciflora yields by 2645%-3370% and 872%-1495%， respectively， as compared to the treatments of no fertilizer （CK） and chemical fertilizers. Under the premise of ensuring Zizania caduciflora production， food security， and soil environment safety， a safe capacity of biogas slurry disposal in Zizania caduciflora field per season was about 630 kg N·hm-2.

Key words: Zizania caduciflora, biogas slurry, farm land disposal, soil fertility

XI Hui;XUE Zhi\|yong;*;CHEN Xi\|jing;JIANG Li\|na;WANG Wei\|ping. Effect of different biogas slurry irrigation amounts on the yield and quality of Zizania caduciflora and soil fertility [J]. , 2013, 25(6): 0-1341.

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Effect of different biogas slurry irrigation amounts on the yield and quality of Zizania caduciflora and soil fertility

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