Title:	Viability of irrigation by porous capsule method in arid and semi-arid regions.
Authors:	SILVA, A. de S. SILVA, D. A. da GHEYI, H. R. PORTO, E. R.
Affiliation:	ADERALDO DE SOUZA SILVA, CPATSA DINARTE AEDA DA SILVA, UNIVERSIDADE FEDERAL DO RIO GRANDE DO NORTE HANS RAJ GHEYI, UNIVERSIDADE FEDERAL DA PARAÍBA EVERALDO ROCHA PORTO, CPATSA.
Date Issued:	1984
Citation:	Pesquisa Agropecuária Brasileira, v. 19, n. 10, p. 1257-1265, out. 1984.
Description:	This paper presents the results of four field experiments carried out with the objetive of evaluating the feaibility of irrigation by porous capsule method, from 1979 to 1983, at Bebedouro Experiment Station, EMBRAPA-CPATSA, Petrolina, PE, Brazil. The irrigation system consisted of fulcrum of cone shaped porous capsules, interconnected with conduit pipe and installed in the soil at equidistance and 0.10 m deep along contour lines. The hydrostatic pressures studies did not significantly influence the crop yield, but influenced, at 0.10 level, the daily water release from porous unit. The mean yields for watermelon (Citrullus vulgaris Shard), var. Charleston Gray, for muskmelon (Cucumis melo L.) var. Valenciano Amarelo, and for maize (Zea mays L.), var. Centralmex, estimated in ton/2,500 units/ha or in cobs/2,500 units/ha, were 28.5, 10 and 17,500, respectively. The water consumption for watermelon, musk melon and maize was, respectively, 60 mm, 60 mm and 100 mm in a deep sandy yellow-red latosol. The cost of the system was US$ 1.677,41/ha.
Thesagro:	Irrigação
NAL Thesaurus:	irrigation Brazil
Keywords:	Capsula porosa Economia de agua Nordeste Regiao semi-arida Porous capsule Scarce water Northeast Semi-arid region
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CPATSA)