COMPARAÇÃO DA RESISTÊNCIA DE DUAS ÁREAS DE PRODUÇÃO AGROPECUÁRIA, UTILIZANDO PENETRÔMETRO ELETRÔNICO, NO MUNICÍPIO DE AREIA-PB.

Abstract

During the recent years Brazil has become a consumer market of machinery and agricultural implements due to its production potential has been increased with the advancement of genetics and the improvement of farmed species in our country, with the intensive use of arable soil for the production of foods such as grains and bioenergy as fuel derived from sugar cane, has accelerated the process of soil degradation in particular its physical attributes. This problem has grown due to the intensive use of agricultural machinery and the frequent traffic of same, and due to the short period of production from the upgrade genetic. From these observations the mechanical resistance of the soil, if penetration shows how parameter for evaluating the physical quality of this as a consequence of heavy use of agricultural machines, in particular crops that are directly connected the precision agriculture. The survey was conducted in two areas, one with agriculture exploration and the other with animal exploitation measuring approximately 1 ha each, situated in the experimental field of the Federal University of Paraíba located on Areia-PB County. For sandy, silty and clay solis 10 samples were collected at e depths of 0.10-0.20 m and to the mechanical resistance of the soil to penetration were sampled 74 points distanced each other 20 m in the depth 0.01-0.40 m. We used the manual soil compaction meter Falker Penetrolog® PLG1020, with rod and cone type 2. The results of the analyses show that in the area where exploration farming the same is more compressed in the depths of 0.20 to 0.40 cm, the same occurs to the area with farming but with values inferior. Considering that a comparison was made between the two activity areas farming proved to be more aggressive in terms of compression.