Soil water and irrigation
Irrigation Monitoring with Soil Water Sensors
... ing soil water tension will vary with soil type and the depth at which the sensor is ...of soil moisture tension in irrigation ...the soil water available for the plant, ...
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Effects of alternate moistube-irrigation on soil water infiltration
... of water-saving irrigation, and research on water infiltration with alternate moistube-irrigation is important for the design of irrigation schemes and helpful to understand and apply ...
8
Irrigation Decisions Simplified with Electronics and Soil Water Sensors
... where T is the soil water suction, i.e., the negative matric potential in kPa, R is the resistance of the block, t the days since the last irrigation or rain, At the number of days[r] ...
6
Soil water dynamics and response of cowpea to water availability under moisture irrigation.
... Moistube irrigation (MTI) is a relatively new technology like subsurface drip irrigation (SDI) but with a semi-permeable membrane whose nanopores emit water in response to applied pressure and ...
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Interactions of soil water run-off with overhead (centre-pivot) irrigation and soil cultivations
... uniform soil mass into smaller sizes, or by reunion of small soil aggregates to become larger structures, Hamza and Anderson, (2005), confirmed that the stability of soil aggregates has an active ...
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EFFECT OF IRRIGATION FREQUENCY AND TIMING ON TOMATO YIELD, SOIL WATER DYNAMICS AND WATER USE EFFICIENCY UNDER DRIP IRRIGATION
... of water supply (250 ml when ...of soil surface, which easy to evaporate and result in a little effect on the change of soil water ...higher soil water content, the Applications ...
16
Soil water extraction patterns and crop, irrigation, and evapotranspiration water use efficiency of maize under full and limited irrigation and rainfed settings
... tion water to different soil depths was calculated based on a cascading ...First, water deficit was calculated for each layer as the difference in average soil moisture of the two neutron ...
17
Remote sensing-based soil water balance for irrigation water accounting at the Spanish Iberian Peninsula
... corresponding irrigation water requirements based on remote sensing, is a recognized tool contributing to water governance at different scales, from water user asso- ciations to whole river ...
7
Modelling soil water dynamics and root water uptake for apple trees under water storage pit irrigation
... the irrigation water infiltrated into the soil through the pit wall and then moved around the pit wall under the influence of soil matrix and gravitational ...of soil moisture ...
9
Survey of soil water distribution in a vineyard and implications for subsurface drip irrigation control
... drip irrigation system based on soil water monitoring is a very efficient way to supply grapevines with water for optimal thriving and high vintage ...of soil moisture and possible ...
9
Soybean Yield, Evapotranspiration, Water Productivity, And Soil Water Extraction Response To Subsurface Drip Irrigation And Fertigation
... or irrigation amount was more than the water deficit of the upper layer, the remaining wa- ter was assumed to have moved to the next soil ...the soil surface, part of the irrigation ...
21
Subsurface drip irrigation emitter spacing effects on soil water redistribution, corn yield and water productivity
... calculated soil water deficit reached a level in excess of 50 ...large irrigation events for microirrigation but this amount was chosen because the study area was manually controlled in 2006 and this ...
10
AUTOMATED SOIL WATER TENSION-BASED DRIP IRRIGATION FOR PRECISE IRRIGATION SCHEDULING
... Optimal irrigation scheduling, irrigation control and drip line layout to increase water productivity and profit in subsurface drip irrigated ...agriculture. Irrigation and Drainage 64, ...
12
COMPARISON OF SOIL WATER SENSING METHODS FOR IRRIGATION MANAGEMENT AND RESEARCH
... Calibrations are soil specific, so it is wise to use the soil to be measured as the porous medium. Installation and contact problems are similar to those for a tensiometer or gypsum block, including contact ...
19
Soil Water Regime in the Tunnel Shelters at Heating Water Filled Shells Sleeves and Drip Irrigation
... of irrigation, both in design and technological features, and with the focus on resource conservation is a drip ...traditional irrigation methods, drip irrigation is the most completely qualified for ...
11
Effect of Vertical Distribution of Soil Water on N2O Emission under Drip Irrigation
... Zhejiang Water Conservancy and Hydropower College, Hangzhou, China Abstract N 2 O emission has obvious water effect, but the current research is not deep ...The soil wetting mode of drip ...
7
Opportunities for improving irrigation efficiency with quantitative models, soil water sensors and wireless technology
... reported the net effects of the soil average water deficit during growth on crop yields and 21.. provided little information on the short-term changes during the growing period..[r] ...
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Effect of water quality on soil structure and infiltration under furrow irrigation
... Surface irrigation with water from shallow wells is utilised on approximately 40% of irrigated land in ...well water is variable with some areas using water with high sodium and total ...
20
Leaching effect of rainfall on soil under four year saline water irrigation
... through irrigation that it caused the electrical conductivity of the 1 : 5 extract to drop at the end of the irrigation season by ...fresh water, and by ...fresh water, Figure 2. Extract ...
9
SOIL AND IRRIGATION WATER INTERPRETATION MANUAL
... nutrient soil test values must correlate with crop growth from fields of known ...date, soil and rainfall/irrigation must be identical in time, quality, and ...responding soil, and one plot is ...
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