Physical parameters of soil and erosion under simulated rainfall, in pasture-agriculture integration system

Revista Brasileira de Engenharia Agrícola e Ambiental

Panachuki, Elói¹  Alves Sobrinho, Teodorico¹  Vitorino, Antônio C. T.¹  Carvalho, Daniel F. de³  Urchei, Mário A.² 

[1] UFMS, Dourados;EMBRAPA, Dourados;UFRRJ, Seropédica

关键词: tillage system;    soil loss;    rainfall simulator    INTRODUÇÃO A erosão hídrica é o processo de degradação do solo que mais tem afetado a capacidade produtiva dos solos;    facilitada e acelerada por interferência antrópica que;    na maioria das vezes;    resulta num processo de erosão acelerada;   

DOI  :  10.1590/S1415-43662006000200003

学科分类：农业科学（综合）

来源: Universidade Federal de Campina Grande * Centro de Ciencias e Tecnologia

【 摘 要 】

This work was carried out in Dourados, Mato Grosso do Sul State, Brazil, in order to evaluate soil erosion and water loss in pasture and in no tillage agriculture in a pasture-agriculture integration system using a portable rainfall simulator. Four rainfall intensities (40, 60, 80 and 100 mm h-1) were studied, each consisting of a treatment arranged in an experimental design in randomized blocks with four replications. Accumulated average soil loss varied from 1.33 to 10.50 g m-2 and water loss varied from 1.34 x 10-3 to 34.64 x 10-3 m3 m-2. The largest soil and water losses occured in the largest rainfall intensities and the no-tillage system had the largest soil loss and the pasture the largest water loss.

【 授权许可】

CC BY-NC