• Weed & Turfgrass Science
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• v.3 no.4
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• pp.342-346
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• 2014

The purpose of this experiment is for investigating how much the amino acid liquid fertilizer and composted liquid manure, culture microorganism effect on the breeding of grasses and knowing the extent of the thatch content through an analysis of the soil. For testing about soil chemical, the quality of grasses, and the extent of the thatch content in the soil, we cultivated 6 kinds of microorganisms having the effect of thatch dissolution and sprayed these 6 microorganisms with composted liquid manure and the amino acid liquid fertilizer on the place Creeping bentgrass have planted. This conduction started from June to October, 2012 and 2013 (The interval: 2 weeks). In the result of the turf growth, there is no big difference between soil chemical and trace element. And we can know Leaf Color Index, Chlorophyll Index and Root Length are almost same as among treatment. In conclusion, the mixing fertilization of culture microorganism and composted liquid manure is better effective than the traditional fertilization. And it can be expected the effect of the quality of grass and Thatch decomposition in soil.

• Journal of the Korea Organic Resources Recycling Association
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• v.22 no.4
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• pp.54-61
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• 2014

This study was conducted to investigate the effect of Actinomyces sp. and Bacillus sp., United States granular microorganisms and Japan granular microorganisms on turfgrass growth and thatch decomposing of creeping bentgrass in golf course by measuring turf color index, chlorophyll index, thatch content of soil, root length, turf density and chemical properties and thatch content of soil. Fertilizer treatment was designed as follows; control(CF; compound fertilizer), microorganism medium(M; CF+M), microorganism medium and livestock manure fertilizer(M-L; CF+M+LMF), microorganism medium, livestock manure fertilizer and amino acid liquid fertilizer(M-L-A; MM+LMF+ALF), United States granular microorganisms(USGM; CF+USGM), Japan granular microorganisms(CF+JGM). Soil properties investigated after experiment was scarcely affected by applied fertilizers in root zone of creeping bentgrass. The turf color index and chlorophyll index of M, M-L, M-L-A, USGM, JGM treatment were higher than those of CF. The turfgrass root in M-L treatment was longer than others. The thatch content of soil in M treatment was longer than others. The thatch content of M was decreased than that of CF by 6.8%. These was suggested that application of M induced the development of quality and growth of creeping bentgrass by assisting turfgrass growth and thatch decomposing.