نتایج جستجو برای: limited irrigation

تعداد نتایج: 468034  

2016
Said Dhaimy Sara Imdary Sara Dhoum Imane Benkiran Amal El Ouazzani

Introduction. This experimental study is to compare radiographs based on the penetration depth of the irrigant following three final irrigation techniques. Material and Method. A sample of sixty teeth with single roots were prepared with stainless steel K files followed by mechanized Ni-Ti files iRace® under irrigation with 2.5% sodium hypochlorite. Radiopaque solution was utilized to measure t...

2005
Sayed Saghaian Carl Dillon

A comparison of decision rules has been made for case studies of corn production using subsurface drip irrigation under three agricultural management practices (no irrigation, uniform irrigation, and variable rate irrigation). The uniform irrigation strategy appeared to perform the best than the other two management practices under different risk scenarios.

Journal: :Hydrology 2023

Agricultural productivity is significantly influenced by the restricted availability of irrigation water and poor soil health. To assess influence different potential moisture deficit (PSMD) regimes integrated nutrient levels on growth, yield, quality wheat, an experiment was carried out at research area University Agriculture, Faisalabad. The includes three PSMD (I1: 25 mm PSMD, I2: 50 I3: 75 ...

Journal: :The Laryngoscope 2002
David E L Olson Barry M Rasgon Raymond L Hilsinger

OBJECTIVE To compare intranasal distribution of saline solution delivered by three popular methods for nasal saline irrigation. STUDY DESIGN Prospective, controlled comparison. METHODS Eight healthy adult volunteers received nasal irrigation with 40 mL of isotonic, nonionic contrast material immediately before having coronal computed tomography to visualize distribution of solution in the p...

2008
L. V. K. LIYANAGE D. T. MATHES

The vigour and growth of seedlings of CRIC60 cultivar of coconut were studied in different irrigation treatments during the drought period, in a sandy soil in the dry zone. Nine irrigation treatments including a control with no watering were tested. Larger number of casualties were observed in the control while none in the irrigated plots. The best irrigation treatments in order of response wer...

2011
S. Laurenson N. S. Bolan E. Smith M. McCarthy

Research on the soil structural effects of potassium (K) in irrigation wastewaters has received limited attention due to the typically low abundance of K in most waters. Winery processing wastewater however tends to have elevated concentrations of both K and sodium (Na). This study investigated the contrasting cation dynamics under municipal and winery wastewater following irrigation to a heavy...

Journal: :پژوهش های تولید گیاهی 0

in the water-limited areas, the great challenge of the agricultural sector is more production from less water that it can be achieved by increasing water productivity. a field study was conducted to compare various cultivars of wheat to water using line source sprinkler irrigation at gorgan research station in 2005-2006. the effect of variable water supply on yield and wue of six wheat cultivar...

2012
S. Taghvaeian J. L. Chávez N. C. Hansen

Ground-based remotely sensed data were used in two major approaches to estimate crop coefficient and evapotranspiration (ET) over two treatments of limited-irrigation corn in northeastern Colorado. The first approach, known as the reflectance-based crop coefficient, takes advantage of the unique relationship between crop coefficients (Kc) and vegetation indices of agricultural crops. The second...

2009
Jonghan Ko Giovanni Piccinni

Plant responses to water deficit need to be monitored for producing a profitable crop as water deficit is a major constraint on crop yield. The objective of this study was to evaluate physiological responses of cotton (Gossypium hirsutum) to various environmental conditions under limited water availability using commercially available varieties grown in South Texas. Soil moisture and variables ...

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