CAJ | 학술논문

[目的]利用蚯蚓堆制处理碳氮比为20,25,30的小麦秸与牛粪、玉米秸与牛粪的组合,研究堆制过程中蚯蚓的生长繁殖及培养基的理化性状,以期为合理的利用秸秆提供理论依据.[方法]将牛粪和小麦秸秆、玉米秸秆按照碳氮比20,25,30搭配,按8 ind/100g风干物质种蚯蚓后,在相同的条件下饲养,分别于15,30,45,60天时破坏性取样,测定蚯蚓的生长繁殖及培养基的理化性状.[结果]随着时间的增加,蚯蚓的均重、日增重、日繁殖倍数均降低,且不同时期、不同组合、不同碳氮比间均差异显著(P<0.05),蚯蚓总数先升高后降低.不同碳氮比之间的日生殖倍数间差异显著(P<0.05),以碳氮比25最佳,其次是20、30,但二者之间差异不显著(P>0.05).有机碳含量和碳氮比随着时间的增加而降低,且不同时期、不同组合间差异显著(P<0.05);全氮含量随着时间的增加而增加,且不同时期和不同组合间差异显著(P<0.05).[结论]时期和组合对蚯蚓的生长繁殖指标和培养基的理化性状指标都有显著的影响(P<0.05);以碳氮比20最有利于蚯蚓的生长,碳氮比25最有利于蚯蚓的繁殖;小麦与牛粪组合的生长繁殖均优于玉米与牛粪的组合.
[목적]이용구인퇴제처리탄담비위20,25,30적소맥갈여우분、옥미갈여우분적조합,연구퇴제과정중구인적생장번식급배양기적이화성상,이기위합리적이용갈간제공이론의거.[방법]장우분화소맥갈간、옥미갈간안조탄담비20,25,30탑배,안8 ind/100g풍간물질충구인후,재상동적조건하사양,분별우15,30,45,60천시파배성취양,측정구인적생장번식급배양기적이화성상.[결과]수착시간적증가,구인적균중、일증중、일번식배수균강저,차불동시기、불동조합、불동탄담비간균차이현저(P<0.05),구인총수선승고후강저.불동탄담비지간적일생식배수간차이현저(P<0.05),이탄담비25최가,기차시20、30,단이자지간차이불현저(P>0.05).유궤탄함량화탄담비수착시간적증가이강저,차불동시기、불동조합간차이현저(P<0.05);전담함량수착시간적증가이증가,차불동시기화불동조합간차이현저(P<0.05).[결론]시기화조합대구인적생장번식지표화배양기적이화성상지표도유현저적영향(P<0.05);이탄담비20최유리우구인적생장,탄담비25최유리우구인적번식;소맥여우분조합적생장번식균우우옥미여우분적조합.
[Objective] In order to provide theoretical basis for making full use of crop stem (wheat stem and corn stem) and cow dung, a trail was conducted to estimate the Eisenia foetida growth and reproduction perfor-mance, physico-chemical index of the vermibed in the combinations of the residues. [Methods] The crop stem and cow dung were combined by the C:N ratio of 20, 25, 30. Each pot include 100 g air-dried residue and 8 ind worm, which were sampled at 15, 30, 45, 60days. Growth, reproduction performance and physico-chemical index were determined. [Result] The results indicated that individual weight, growth rate, reproduction rate de-clined with the growth. Growth index had difference among period, C:N ratio and combination (P<0.05). Total number of worms increased at first, then declined. Reproduction rate had difference among different C:N ratio (P<0.05). TOC and C:N ratio declined with the growth, but TKN increased with the growth, all of them had difference between period, combines and C:N ratio (P<0.05 ). [Conclusion] Growth and reproduction perfor-mance and physico-chemical index had difference between period, combinations and C:N ratio (P<0.05). C:N ratio of 20 is beneficial to growth, C:N ratio of 25 is favorable to reproduction. As far as the growth and repro-duction performance, the combination of wheat residues and cow dung is better than the combination of corn stem and cow dung.