Affiliation:
1. Universidade Estadual de Londrina
2. Laborsolo do Brasil
3. Instituto Agronômico do Paraná
4. Universidade Estadual Paulista
Abstract
Two laboratory experiments were carried out to evaluate the effects of sugar cane straw on soil acidity. Sugar cane straw residues were added on the surface of a Typic Harplortox in a polyvinyl chlorid (PVC) column at rates of 0, 20, 40, and 76 g kg-1, the soil was incubated to field capacity with distilled water and incubated for 0, 7, 14, 45, and 90 days. Soil samples were taken at 0-5, 5-10, 10-15, 15-20, and 20-25 cm depth. With the increase of sugar cane straw rates one verified the increase of soil pH CaCl2, and decrease of KCl exchangeable Al in the top 15cm soil layer. The contribution of organic compounds to Al detoxification incresead with increasing sugar cane straw rates. Wheat root elongation used as acid indicator plant increased with increasing sugar cane straw rates. Maximum root growth was about 15cm long in the soil after eight days for the highest sugar cane straw rate.
Subject
Soil Science,General Veterinary,Agronomy and Crop Science,Animal Science and Zoology,Food Science
Reference18 articles.
1. Effects of sugar cane trash and pianeapple residue on soil nitrogem, pH, and redox potencial;ASGHAR M.;Plant and Soil,1976
2. Effectos of sugar cane trash and pianeapple residue on soil pH, redox potential, extractable Al, Fe, and Mn;ASGHAR M.;Tropical Agriculture,1980
3. A laboratory method to estimate the efficiency of plant extract to neutralize soil acidity;CASSIOLATO M. E.;Brazilian Archives Biology and. Technology,2002
4. Ionic balance and growth of plants;DEWIT C. T.,1963
5. Potencial de extratos de resíduos vegetais na mobilização do calcário no solo por método biológico;FRANCHINI J. C.;Science Agriculture
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