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Composting Method and Physicochemical Characteristics of By-products from Home Garden Plants and Small Herbivore Feces

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2018, 27(6), pp.695-703
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Dae-Gyun Kim 1 김진영 2 Won-Suk Lee 2 김혜형 3 Myung Whoon Seo 2 Park In Tae 3 Hyun, Junge 4 Yoo Gayoung 5

1경기도 농업과학기술원
2경기도 농업기술원
3경기도농업기술원
4경희대학교(국제캠퍼스)
5경희대학교

Accredited

ABSTRACT

This study was conducted to suggest a sustainable farming practice for resource recycling in vegetable gardens of North Korea. In North Korea, farmers are allowed to own private vegetable gardens less than 100 m2. However, usage of fertilizers in private vegetable gardens is very limited due to economic sanctions by UN security council. If North and South Korea initiated the cooperative action in the near future, agricultural sector would be the highest priority cooperation area. Considering the current North Korean situation in agriculture, we would like to suggest a method for producing organic fertilizer manure. For raw materials for producing manure, we selected corn byproduct, which is the most abundant material, and rabbits’ feces, which are easily obtained from individual private farms in North Korea. As we cannot get corn byproducts and rabbits’ feces from North Korea, we prepared samples of corn byproducts and rabbits; feces from many places in South Korea. After statistical analysis of variance, there was no significant difference in the T-N contents of corn byproducts from Gyeonggi, Gangwon, Chungnam, Chungbuk, Jeollabuk and Gyeongsangnam-dos, which indicates that the fertilizing quality of corn byproducts does not vary significantly in the spatial scale of South. Korea. In this sense, if we use corn samples from Gyeonggi province, they would not be very different from those of North Korean regions. Physicochemical properties of rabbits’ feces were different between those eating feed grains and those eating plants only. Hence, we used rabbits’ feces of the rabbits from Yeonchun area, which were fed by plants only. Using three different mixing ratios of corn byproducts and rabbits’ feces, composting was conducted for 60 days. The mixing ratio of 1:1 produced the manure with % T-N of 1.98% and OM/N ratio of 31.7 after 30 days of composting, which is comparable to the quality of commercial manure.

Citation status

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