郭立月 吴光磊 李彩虹 刘文静 虞晓凡 程达 蒋高明

农业生态系统污染是由于过度使用化学肥料和牲畜粪便大量排放造成的。因此，有必要对养殖场粪肥进行安全处理，将牛粪转化为有价值的堆肥就是一种很好的出路。然而，传统堆肥相对耗时，且会造成大量养分损失。利用牛粪养殖蚯蚓并发展堆肥是一种替代方法，但目前为止开展的研究较少。本研究比较蚯蚓堆肥和牛粪普通堆肥种植的玉米产量与经济效益变化。研究结果表明，尽管蚯蚓粪营养含量低于传统堆肥，然而，蚯蚓养殖可带来2172公斤/公顷活蚓产量，为农民提供4008.1美元额外收入。此外，蚯蚓粪堆肥可增加玉米地上生物量增加7.7%，籽粒产量18.3%。蚯蚓处理牛粪并堆肥种植有机玉米可提高304%经济效益，主要通过增加籽粒产量和蚯蚓收入而实现。

上述研究结果于2015年5月份在法国Agronomyfor Sustainable Development上发表。2015年9月24日被欧盟委员会在Science for Environment Policy对该成果进行了专门介绍，供19000多名欧洲政策决策者,学者和商界人士参考。

报道网址为：

http://10.255.253.201:9011/ec.europa.eu/environment/integration/research/newsalert/pdf/compost_made_by_worms_from_livestock_manure_yields_benefits_when_applied_to_maize_428na3_en.pdf

Vermicomposting with maize increases agricultural benefits by 304 %

Liyue Guo, Guanglei Wu, Caihong Li, Wenjing Liu, Xiaofan Yu, Da Cheng & Gaoming Jiang

Agron. Sustain. Dev. (2015) 35:1149–1155, INRA and Springer-Verlag France 2015

Pollution of agricultural ecosystems is due to the excessive use of mineral fertilizers and mass discharge of livestock manure. Therefore, there is a need for disposing manure safely, for instance by transforming manure into valuable compost. Traditional compostingis, however, time-consuming with considerable nutrient losses. Vermicomposting is an alternative method, but so far, there are few quantitative evaluations of vermicomposting. We therefore compared vermicomposting and traditional composting of cattle manure with maize. Our results show that the amount of nutrients from vermicomposting is lower than that from traditional composting. Nonetheless, vermicomposting yielded 2172.0 kg of earthworms per hectare, which provided an additional income of US$4008.1 to farmers. Moreover, vermicomposting increased aboveground biomass by 7.7 % and maize grain yield by 18.3 %. The global output of vermicomposting was thus higher by 304 % due to higher grain yield and earthworm income.

Keywords Cattle manure .Vermicompost .Traditional compost .Maize .Economic benefits