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Conserving topsoil in southern Brazil with polyacrylamide and gypsum


Conserving topsoil in southern Brazil with polyacrylamide and gypsum



Soil erosion research for the 21st century Proceedings of the International Symposium, Honolulu, Hawaii, USA, 3-5 January 2001: 183-187



The southern states of Brazil are major agricultural producers of wheat, maize, soyabeans and rice. They are characterized by subtropical conditions with occasional heavy precipitation and a warm climate, thus giving a long growing season. Soil erosion and acidity are problems associated with the weathered soils of the region. With the use of soil amendments, it may be possible to prevent topsoil erosion, and thus provide a continuation of crop production.

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