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Contemporary research on irrigation societies consists of case studies; comparative cross-cultural investigations of the relationship between irrigation and power; analysis of the ‘design principles’ of successful irrigation systems; and studies of the ecological impact of irrigation. View chapterExplore ...
The definition of slot is also found in linguistics, where it refers to a position within a word or phrase that can be filled with any one of a number of morphemes. Another popular use of the word is in the field of aviation. A slot is a time and location authorized by an airport o...
The choice of the Green-Ampt formula was based on its ease of implementation, computational efficiency and physically meaningful definition of its parameters. As a result, these parameters can be adjusted within realistic ranges of values derived from previous experience in the literature in contexts ...
摘要: A definition of the term "drip irrigation" is presented. It refers to a system of watering by which moisture running through a porous hose. In drip irrigation the water is slowly released through tiny holes or emitters to the plant roots. The method 年份: 2003 收藏...
Definition Model predictive control (MPC) refers to a class of advanced optimal control algorithms that use an explicit system model to determine the optimal control signals to drive the system to minimize or maximize a performance measure while satisfying constraints on the system’s inputs and out...
An optimal control is considered in [14] to study irrigation plans maximizing the farmers profit, taking into account the cost of the water and the sale prize of the crop. In [8] the aim is maximizing the biomass production at harvesting time, considering a constraint on the total amount ...
The daily tool outputs were amount of irrigation applied, drainage generated, and available soil water within the pasture root zone. Table 2. IrriSET input and output variables and parameters. Tool variable/parameterData sourceDefinition/AssumptionRemarks Rainfall Cliflo (2020) Daily rainfall total. ...
Several principles for institutional design, including a careful definition of the scope of farmers' participation, complementarity of interests between individuals, reduction of asymmetries involved in the use of authority, and the existence of domains of autonomy are identified as instrumental to the ...
the soil must be of a texture to allow for water and air to be available to the plant at all times. Still another drawback of flood irrigation for flower/landscape beds is that by definition the entire area of the bed is flooded, providing moisture for the weeds/weed seeds which exist ...