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Alternate wetting and drying (AWD) is a water management technique, practiced to cultivate irrigated lowland rice with much less water than the usual system of maintaining continuous standing water in the crop field. It is a method of controlled and intermittent irrigation.
The land equivalent ratio can be used whenever more than one type of yield can be obtained from the same area. This can be intercropping of annual crops (e.g. sorghum and pigeonpea) [1] or combination of annual and perennial crops e.g. in agroforestry systems (e.g. jackfruit and eggplant). [3]
field level : based on measurements of CO 2 and water fluxes over a field of a crop or a forest, using the eddy covariance technique [4] Research to improve the water-use efficiecy of crop plants has been ongoing from the early 20th century, however with difficulties to actually achieve crops with increased water-use efficiency. [5]
Frank Ewert (born 1963) is a German agricultural scientist, Scientific Director of the Leibniz Centre for Agricultural Landscape Research (ZALF) and Professor of Crop Production at the University of Bonn. [1] His areas of expertise include crop science, production ecology, systems analysis, and plant growth modelling.
[4] [5] The goal of precision agriculture research is to define a decision support system for whole farm management with the goal of optimizing returns on inputs while preserving resources. [6] [7] Among these many approaches is a phytogeomorphological approach which ties multi-year crop growth stability/characteristics to topological terrain ...
CropSyst, a multi-year multi-crop daily time-step crop simulation model developed by a team at Washington State University's Department of Biological Systems Engineering. [ 4 ] DSSAT , the Decision Support System for Agro-technology Transfer, is a multi-crop, multi-year crop simulation model which evolved from the IBSNAT (1982-1993) and ICASA ...
The organisation of individual plants in a field is also variable and typically depends on the crop being grown. Many vegetables, cereals, and fruits are grown in contiguous rows , which are wide enough to allow cultivation (or mowing, in the case of fruits) without damaging crop plants.
Crop Science is a bimonthly peer-reviewed scientific journal covering agronomy. It was established in 1961 by founding editor-in-chief H.L. Hamilton and is published by ACSESS (Alliance of Crop, Soil, and Environmental Science Societies) in partnership with Wiley. It is the official journal of the Crop Science Society of America. Since 2013, it ...