文章摘要
Res earch on s creeni ng di f f erentl i t t ersi n deep-l i t t ers ys t em
  
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Author NameAffiliation
蔡 婷 1、赵芳芳 1、刘天宝 2、余 炜 2、封 洋 1、姜天团 1、滚双宝 1. 甘肃农业大学动物科技学院、甘肃 兰州 7300702. 兰州军区农业新技术试验培训基地、甘肃 兰州 730617 
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Abstract:
      The key ofbr eedi ng t echnol ogy i n deep-l i t t ersyst em i s t he r at i o and managementoff er ment at i on pad.I n or dert o scr een t he bestpad and al t er nat i vest o r epl ace t r adi t i onalmat er i alsawdustand r i ce husk,we car r i ed outt est swi t h t he i ndi genous mi cr oor gani sm as st r ai n, and di f f er ent pr opor t i on of r i ce husk, sawdust , cor n cobs and cor n st al k as f er ment at i on.I n accor dance wi t h t he pr i nci pl e ofsame t ot alwei ght ,t he t est swer e di vi ded i nt o ei ghtgr oupswi t h t estper i od 60 d,t he t emper at ur e,and t ot alni t r ogen,or gani c mat t eri n t he f er ment at i on pr ocesswer e det er mi ned and anal yzed i n ever y 5 days.The r esul t sshowed t hatt emper at ur esofal lgr oupswer e over35益,and t he t ot alni t r ogen and or gani c mat t ercont ent decr eased. The f er ment at i on ef f ect of AB whi ch had 30% cor n st al k+30% cor n cob+40% cont r ol gr oup was good, and t emper at ur es ofAB gr oup i n hi gh t emper at ur e per i od and cool i ng per i od wer e hi ghert han ot hergr oup.The t ot alni t r ogen, or gani c mat t erf el lby 44. 27% ,19. 87% r espect i vel y.I n concl usi on,combi ned wi t h opt i malpadded ast he exper i ment alAB gr oup wassel ect ed,and i twasadvi s ed t hatAB shoul d be used wi del y i n t he nor t h-west .
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