Avaliação do manejo de irrigação para a cultura de feijão (Phaseolus vulgaris) irrigada por pivô central na Agricola Wehrmann em Cristalina-GO.

Abstract

This work was carried through in the experimental farm of the Wehrrnann Agriculturist, Farm Saint Bárbara, located, in Cristalina-GO, with the following geographic coordinates: altitude of 1000m, latitude of 16ºS and longitude of 47ºW. The climate of the city is of the tropical type, with rain in the summer and dries in the winter. The average annual precipitation is of 1600mm, with annual average temperature of 20.5ºC and relative humidity of average air in the winter it is of 40% and in the summer of 70%. The ground of the region of the central pivot of number six is the classified one as being a not-ferric Red Latossolo. The conventional sowing of the beans in the central pivot of the Fockink mark Electric Industries Ltda, of model AF-53F-2.74-15 was carried through in day 13/07/04, with the variety of beans Pearl (Phaseolus vulgaris L.). The objective to evaluate the handling of irrigation for the beans culture irrigated for central pivot in the experimental farm. It can conclude that with the use of the correct water blade (155mm) the proprietor could have reached a economy of 259.1mm of water or 29026.31m3, or either, a lesser cost of R$ 98108.30 or 586%. With the adequate handling the energy economy would be 2255072 KW, and consequently a lesser cost of R$ 1128126, or either, 586%.