ALTERAÇÃO NAS CARACTERÍSTICAS FÍSICO-QUÍMICA DE UM SOLO CULTIVADO COM PIMENTÃO, EFLUENTE DE PISCICULTURA, FOSFATO NATURAL E ESTERCO BOVINO
2008
Hudson do Vale de Oliveira | Francisco Bezerra Neto | Celicina Maria da Silveira Borges Azevedo | Cybelle Barbosa Lima | Gabriela Cemirames Sousa Gurgel
With the objective of evaluate the changes in the physical-chemistry characteristics of the soil cultivated with bell pepper, fish effluent, natural phosphate and cow manure, an experiment was accomplished in the vegetable garden of the Universidade Federal Rural do Semi-árido-UFERSA. A randomized complete block design in split plot scheme with two replications within of block. In the plot the water types were designated (well water and fish effluent), in the subplot the treatments of the factorial 2x2, resulting from the combination of two match levels (with and without natural phosphate) with two cow manure levels (with and without cow manure), and in the sub-plot the evaluation times (before and after the bell pepper culture). Soil samples were collected before and after the bell pepper cultivation of 0-20 cm depth. After the assembly of the overhead irrigation and distribution of the treatments, it was collected of each plot a soil sample for the accomplishment of the physiochemical analyses. To verify the alterations happened in the soil with the treatments, after the last crop, to the 100 days after culture. Two sources of irrigation waters were used. The first originating from of a tubular well. And second of a Orecochomis niloticus cultivation. The appraised characteristics in the soil before and after the cultivation they were: chemical analysis of the soil (nitrogen, match, organic matter).
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