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Comparison of Characteristics of a Paddy Soil and Growth and Production of Rice as Affected by Organic Nutrient Sources  

Kim, Hyun-Woo (Jeollanam-do Agricultural Research & Extension Services)
Choi, Hyun-Sug (Organic Agriculture Division, National Academy of Agricultural Science)
Kim, Byeong-Ho (Jeollanam-do Agricultural Research & Extension Services)
Kim, Hong-Jae (Jeollanam-do Agricultural Research & Extension Services)
Choi, Kyeong-Ju (Jeollanam-do Agricultural Research & Extension Services)
Chung, Doug-Young (College of Agriculture & Life Science, National Chungnam University)
Lee, Youn (Organic Agriculture Division, National Academy of Agricultural Science)
Park, Kwang-Lai (Organic Agriculture Division, National Academy of Agricultural Science)
Publication Information
Journal of Bio-Environment Control / v.20, no.3, 2011 , pp. 241-245 More about this Journal
Abstract
The study was conducted to evaluate the effects of organic materials commonly used for rice culture on the soil chemical properties and yield and quality of rice. Treatments were applied on the surface layer after rice planting and included: A) Kumsugangsangold, commonly used as a nutrient source for organic rice culture in Chonnam province (compost I), B) Rice bran, containing large quantities of vegetable ingredient (compost II), C) Chamdalkom, manufacturing by-product fish (compost III), and D) Hangawi, mixing anmimal and vegetable ingredients (compost IV). Seasonal N-mineralization rate was faster on the compost I and III with lower C:N ratio than those of the compost II and IV. Soil chemiceal properties were not significantly affected by treatments. Seasonal organic matter was higher on the compost II and IV with high input of the organic materials than those of compost I and III, which would affect the level of biomass C. Higher rice yield treated by compost I was observed in year 1, but no significant difference was observed in years 2 and 3.
Keywords
microorganism; nutrients; organic; rice; yield;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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