Journal
REVISTA DE AGRICULTURA NEOTROPICAL
Volume 5, Issue 1, Pages 17-22Publisher
UNIV ESTADUAL MATO GROSSO SUL
Keywords
erosion; organic fertilization; nutrient loss
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To monitor the loss of soil, water and nutrients by runoff, from October 2005 to March 2006, in a Dystroferric Red Latosol, under no - tillage system since 2000, submitted to the application of liquid swine manure (LSM) and inorganic fertilizer, an experiment was conducted at the University of Rio Verde. The experiment consisted of three treatments (50 and 200 m(3) ha(-1) of LSM and 570 kg ha(-1) of the formula 04-14-08 in maize crop), established in a randomized complete block design with three replications. Treatment with the application of 50 m(3) ha(-1) of DLS resulted in greater loss of water and soil. Since the treatment with 200 m(3) ha(-1) of DLS, lower losses of water and soil were detected by surface runoff. The productivity of grains was affected by treatments. Soil losses were very low, well below the tolerance losses for this class of soil, despite the trend of higher losses presented with 50 m(3) ha(-1) of LSM. Among the evaluated chemical elements, the treatment with 50 m(3) ha(-1) presented significant losses of N and Zn when compared to the other treatments.
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