Results 1 to 10 of about 107,802 (261)

Effects of water application uniformity using a center pivot on winter wheat yield, water and nitrogen use efficiency in the North China Plain

open access: yesJournal of Integrative Agriculture, 2020
In recent years, the use of fertigation technology with center pivot irrigation systems has increased rapidly in the North China Plain (NCP). The combined effects of water and nitrogen application uniformity on the grain yield, water use efficiency (WUE)
Dong-yu CAI, Hai-jun YAN, Lian-hao LI
doaj   +3 more sources

Hydraulic Performance Evaluation of Plastic Impact Sprinkler under Field Conditions [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2022
An outdoor experiment was carried out at EL-Gemmeiza Agricultural Research Station, Gharbia Province, during August and September, 2018. The hydraulic performance of four types of rotating plastic impact sprinklers (S1, S2, S3 and S4) under four ...
Heba Fayed   +3 more
doaj   +1 more source

Effect of a friction-reducing additive on the drip irrigation uniformity with sugarcane vinasse

open access: yesAgronomía Colombiana, 2021
Fertigation using vinasse, a high nutrient residue, is a viable form of complementary soil nutrition. However, it represents a dangerous risk of contamination if not properly disposed of.
Lucas Grogenski Meloca   +1 more
doaj   +1 more source

Micro spray and end caps performance operating with water containing different concentrations of organic matter

open access: yesBioscience Journal, 2018
Recently a micro spray and an end cap with drain valve device were launched on the market. Their main advantage is the low cost. The micro spray provides a higher percentage of irrigated area relative to the drippers and an end cap with drain valve ...
Fernando França da Cunha   +4 more
doaj   +3 more sources

Evaluation of Irrigation Water Application Techniques at Omo Kuraz Left Bank Canal, SNNPRE, Ethiopia

open access: yesIndonesian Journal of Earth Sciences, 2023
Water loss from furrows can be due to runoff, seepage and deep percolation which may cause yield reduction. This study focuses on the evaluation of irrigation water application techniques and employed experimental observation which included 30 test ...
Firdawek Zewudu Shibeshi   +2 more
doaj   +1 more source

EFFECT OF SPRINKLER RISER CHARACTERISTICS ON APPLICATION UNIFORMITY [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2009
  The sprinkler riser characteristics; height, angle and rigid fixation are of great importance for the sprinkler application uniformity. Single sprinkler pattern tests were carried out to generate data required for field uniformities with different ...
M. H. Ramadan
doaj   +1 more source

Technical Evaluation of Classic Stationary Sprinkler Irrigation Systems with Travelling Sprinklers in Eghlid, Fars Province [PDF]

open access: yesعلوم و مهندسی آبیاری, 2019
Due to the climatic conditions of Iran, the limitations of irrigation resources, and low irrigation efficiency in traditional methods, on the one hand, and the existence of arenas for the development of blue land and the increasing need for food, on the ...
Samane Kazemi   +2 more
doaj   +1 more source

EFFICIENCY AND UNIFORMITY OF AN SUBSURFACE DRIP IRRIGATION SYSTEM IN SUGARCANE CROP

open access: yesRevista de Agricultura Neotropical, 2022
Agricultural productivity in irrigated areas depends on several factors, including the design and maintenance of irrigation systems. Excessive or insufficient applications of water affect plant growth and development, hence agricultural productivity ...
José Wibison Ferreira dos Santos   +5 more
doaj   +1 more source

Proposição de um modelo matemático para a avaliação do desempenho de sistemas de irrigação A mathematical model for evaluating irrigation systems performance

open access: yesPesquisa Agropecuária Brasileira, 2004
Modelos matemáticos têm sido utilizados para representar a distribuição dos valores de lâmina de água aplicada em uma área irrigada, informação fundamental na avaliação do desempenho de sistemas de irrigação.
Euzebio Medrado da Silva   +3 more
doaj   +1 more source

Caracterização hidráulica do microaspersor Rondo, da Plastro Hydraulic characterization of the Plastro Rondo microsprinkler

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2001
Com o objetivo de se determinar as características hidráulicas do microaspersor Rondo 50 L h-1, de bocal azul, fabricado pela Plastro, conduziram-se testes no Laboratório de Hidráulica da Escola Superior de Agricultura de Mossoró, determinando-se a ...
Roberto S.F. de Holanda Filho   +3 more
doaj   +1 more source

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