Irrigation and water control
Water control and autonomy peasant irrigation strategies in the Bolivian Andes
... understand irrigation as a sociotechnical process and therefore the relevance of not “compartmentalizing” its ...of irrigation as something merely technical or a matter for engineers with some “social ...
213
Automatic Water Control Structures for Surface Irrigation (Summarized)
... The timer is released by a float and begins timing the irrigation period when water enters the ditch immediately upstream from the check.. Two variations of the above model are also bein[r] ...
8
Distribution Control and Measurement of Irrigation Water on the Farm
... that extends high enough to produce the required pressure in the surface pipe and are equipped with tubes or connec- tions for attachment of the surface line. Surface-pipe outlets may be[r] ...
27
Occurrence and Control of Plant-parasitic Nematodes in Irrigation Water – A Review
... Detection, irrigation water, plant-parasitic nematodes, water treatment, plant-parasitic nematode detection and monitoring A literature study was carried out to determine what is currently known ...
12
MINISTRY OF WATER & IRRIGATION
... Wherever loads have to be carried over ground in which pipes, valves, culverts, and the like are buried, the Contractor shall take all precautions including where necessary, the provision and use of sleepered roads, ...
140
Design of Tank Water Level Control System for Automatic Sprinkler Irrigation
... level control systems with varying ...automatic water Level controller for both Overhead and Underground ...a water level indicator which indicates low and high levels in a ...the water and ...
8
Sizing, dynamic modelling and control of a solar water pumping system for irrigation
... tank water level. If the tank water level becomes less than the chosen value, the ESP32 sends the trip signal to the relay to run the water pump ...The control block diagram is presented in ...
140
Enhanced fertigation control system towards higher water saving irrigation
... of water and climatic ...the water consumption and at the same time increasing the agricultural ...for irrigation system with different application ...of water supply needed by plants to ...
8
Applying polymers to irrigation water: evaluating strategies for furrow erosion control
... Lentz and Sojka (1994) demonstrated that applying 10 mg PAM L- 1 water (i.e., 10 ppm) during the first 2 h (during advance) of the irrigation reduced sediment loss from treated furrows b[r] ...
8
Quantifying the water savings benefit of water hyacinth (Eichhornia crassipes) control in the Vaalharts Irrigation Scheme
... different water requirements for each crop (Chowdhury, ...to water through fixed-price optimization models (Young, 2005b; Chowdhury, ...in water quantity or quality, and provide price elasticities of ...
163
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 ...plant water uptake, for ...soil ...
9
Fuzzy Control Model Study on Precision Irrigation System for Water Stress in Crops
... fuzzy control system construction AE took a dominant place at the time of precision irrigation and reflected the water requirement amount of the ...normal irrigation and precision ...fuzzy ...
8
Water-Saving Irrigation for Rice
... to control the ineffective tillering of rice. The irrigation theory and technique for sun-drying rice fields at the late stage of rice tillering and drying the fields immediately at ripening were gradually ...
141
The challenge of irrigation water pricing in the Water Framework Directive
... in irrigation efficiency at parcel level from trading reduce return flows to basins (Grafton et ...for water management, water allocation, control and enforcement, planning and ...of ...
17
Scientific Irrigation Scheduling for Salinity Control of Irrigation Return Flow
... Modern irrigation scheduling services provide farm managers with estimates of the current soil water status on each field, and predicted irrigation dates and amounts to be applied on eac[r] ...
7
Scientific Irrigation Scheduling for Salinity Control of Irrigation Return Flows
... But why have we insisted that the farm manager/operator first understand the principles of soil water management, atmospheric physics that control the evaporation rate, and hydraulics t[r] ...
99
Soil-specific strategic irrigation: saline-sodic water as an irrigation resource
... to irrigation water quality is known to be a function of sodium contained in the irrigation water and the electrolyte concentration of that ...of water to be applied to a soil, and is ...
224
Irrigation Water Quality—A Contemporary Perspective
... Introduction Irrigation is the controlled use of multiple water sources in a timely manner for increased or sustained crop ...production. Irrigation comprises of the water that is applied by ...
25
Water sensor feedback control system for surface irrigation
... When water contacts the sensor, a signal is sent via wire or IR telemetry to a station controller located near the irrigation turnout at the upper end of the field.. The controller energ[r] ...
5
Irrigation Water Pumps
... Centrifugal Pumps Centrifugal pumps are used to pump from reservoirs, lakes, streams and shallow wells. They are also used as booster pumps in irrigation pipelines. All centrifugal pumps must be completely filled ...
13