Browse on keywords: disease organic matter
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1521. Davies, D.B.. 1977. Soil management. 3rd edition.. Farming Press Ltd., Suffolk..
Soil compaction increased chances of root disease (take-all, foot rot); problems of loss of soil structure; leads to reduced fertilizer use efficiency, especially N & P; winter cereals less sensitive to poor structure than spring cereals; 2-3 yr grass/alfalfa stand helps restore structure; benifits of subsoiling on silt soils; best time is when soil is dry.
3550. Kauraw, L.P. and R.S. Singh. 1982. Effect of organic amendment of soil on the incidence of root rots. Indian J. Mycol. Pl. Pathol., 12(3):271-277.
Amendment of soil with oil cakes of margosa, castor of groundnut increased incidence of root rot caused by Pythium graminicolum. This increase was proportional to the amount of oil cake used. Margosa and groundnut cakes reduced root rot caused by Fusarium spp., while castor cake increased it. All the oil cake amendments reduced the incidence of Sclerotinium root rot. Amendment of soil with saw dust increased root rot caused by Fusarium spp. and H. sativum, but significantly decreased that caused by P. graminicolum or S. rolfsii even at the lowest dose used.