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不同作物、土壤类型和灌溉方式对沼液消纳能力的影晌

翟逸,李平,韦秀丽,高立洪。
(重庆市农业科学院农业工程研究所,重庆401329)

摘要:本文分别采用盆栽和田问试验,研究不同作曲,土壤类型和灌溉方式对沼液消纳能力的影响。结果表明,当种檀作物为青贮玉米、甜高巢和白菜时,每667 m2紫色土可消纳的沼液量分别为3.8、10.5和2.3 t,而每667 m2黄壤中可消纳的沼痕量为4.7、10.5和2.7 t。在紫色土中,当种檀作物为白菜时,浸灌和喷灌条件下每667 m2可分别消纳沼液2.4和1.8 t。试验表明不同的作物种类、土囊类型及灌溉模式均对沼液的田问消纳具有一定影响。

关键词:农作物;土囊类型;灌溉方式;沼液消纳

中图分类号:$216.4 文献标识码:A

Effect of Different Crops,Soils and Irrigation Modes on Biogas Slurry Disposition

ZHAI Yi,LI Ping,WEI Xiu-li,GAO Li-hong’

 (Institute 0f agricultural Engineering,Chongqing Academy of Agricultural Science8,Chongqing 401329,China)

Abstract:In this paper,pot experiment and field testing'were conducted to study the effect of different crops,soil types and imigation  modes on biogas slurry disposition.The result showed that when silage maize,sweet sorghum and Chinese cabbage were planted in purple soils,the amounts of disposed biogas slurry were 0f 3.8,10.5 and 2.3 tom/667m2,respectively,while the amounts of disposed biogas Blurry were charged to 4.7,10.5 and 2.7 tons/667m2 corresponding to ailage maize,sweet sorghum and Chinese cabbage planted in yellow soils.Besides,the treated amounts of biogas slurry by Chinese cabbage in purple soil were 2.4 and 1.8 tons/667m2,respectivly under the condltions of sprinkling irrigation and tube-well irrigation.These  results showed that each 0f crops ,soils types and immigation modes could influence  thr disposition of biogas slurry,

Key words:crops;Soil types;Irregation mode;Biogas slurry disposition

不同作物、土壤类型和灌溉方式对沼液消纳能力的影晌

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