Studies on the cause of injury by continuous cropping and the effect of soil conditioner on red pepper (Capsicum annuum L.)., 2; Effects of soil conditioners applied on continuous cropping fields
1989
Hwang, N.Y. | Ryu, J. | Na, J.S. (Chonbuk Provincial Rural Development Administration, Iri (Korea R.)) | Kim, J.K. (Chonbuk National Univ., Chonju (Korea R.). Coll. of Agriculture)
The present experiment was conducted to investigate effects of soil conditioner applied on continuous cropping fields of red pepper from 1985 to 1986 in Imsil, Chunbuk province. The ratios of bacteria/fungi (B/F) and actinomycetes/fungi (A/F) in the soils of continuous cultivation were increased with application of phytotoxin decomposers such as deep tillage (De), compost (Co), magnesium lime (Mg), gypsum silicate, and De + Co + Mg. Degradation of phytotoxin (p-hydrohylenyons acid) in the continuous soils was promoted with application of De, Co, Mg, gypsum, silicate and DE + Co + Mg resulting in yield increase. The infection rate plant by phytophthora were decreased with deep tillage and application of compost and magnesium lime and caused the increase of yield (22 %) due to the increase of fruit per hill
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