Data/hora: 22/06/2024 16:06:20

Biblioteca(s): 	Embrapa Milho e Sorgo.	
Data corrente: 	24/06/1996	
Data da última atualização: 	13/07/2018	
Autoria: 	LONGO, L. A.; LOUREIRO, B. T.; COSTA, E. F. da; DENICOLI, W.	
Afiliação: 	EMBRAPA-CNPMS.	
Título: 	Avaliação do desempenho de um pivo central da baixa pressão equipado com tubos de descida.	
Ano de publicação: 	1991	
Fonte/Imprenta: 	Revista Ceres, Viçosa, v. 38, n. 216, p. 108-116, 1991.	
Idioma: 	Português	
Conteúdo: 	At the Corn and Sorghum National Research Center in Sete Lagoas, Minas Gerais State, an evaluation was made of the performance of a low pressure central pivot equipped with drop sparay, operating at 100% of its displacement capacity. The tests carried out were the following: without drop spray; drop spray of 1.2m; 2.0m and 2.6m lenght. For each test, the uniformity coefficients of Christiansen (CUC) and distribution (CUD), the application efficiency, in potential (EPa), and the highest precipitation intensity were determined. It was concluded that: The lenght of drop spray did not affect distribution uniformity; The collected water plate at the end of the pivot line showed a large variation; Topographic characteristics influenced distribution uniformity; Drop spray increased application efficiency, in potential, reducing pressure at the diffusor exit. Proximity of the diffusor to the ground decreased the covering diameter and increase precipitation density.	
Palavras-Chave: 	Central pivot; Desempenho; Drop spray; Minas Gerais; Sete Lagoas.	
Thesagro: 	Aspersão; Irrigação; Pivô Central.	
Categoria do assunto: 	X Pesquisa, Tecnologia e Engenharia	
URL: 	http://ainfo.cnptia.embrapa.br/digital/bitstream/item/47345/1/Avaliacao-desempenho.pdf	
Registro original: 	Embrapa Milho e Sorgo (CNPMS)	
Exemplares: 	CNPMS - (629-1) - UPC - AP - DD -  -  -  - DIS