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The net increase in irrigated land is predicted to be less than 40 percent of that achieved since the early 1960s.
However, up to date, few studies were reported to reflect the changes in CHLD and LAI of winter wheat in irrigated land and dry land through canopy reflectance spectrum.
All owners/cultivators of 121/2 acres or more of cultivated irrigated land, 25 acres of cultivated un-irrigated land, or of mature orchard are liable to self assess their incomes and submit agriculture income tax returns.
"The best bet for Asia lies in revitalizing its vast irrigation systems, which account for 70 percent of the world's total irrigated land."
"Today, the option of expanding irrigated land area in Asia to feed a growing population is becoming increasingly problematic due to land or water constraints," explained Aditi Mukherji, IWMI scientist and one of the lead authors of the report.
The conference focused on a series of studies on crop selection in irrigated land, participative water management, and the merits of public-private partnerships.
Irrigated land is generally considered to be of the highest value.
"Many biologically rich watersheds--particularly in Southeast Asia and China--also have high population densities, high levels of modified and irrigated land, and high rates of deforestation, especially in tropical areas," she says.
3875-DO) for an Irrigated Land and Watershed Management Project designed to improve the quality of life of 10,500 farmers in different regions of the country.
"We're seeing some high-quality cotton grown in irrigated land this year," said Gene Latham, manager of the South Kansas Cotton Growers Cooperative.
Crop production is limited by salinity on 40 percent of the world's irrigated land and on 25 percent of irrigated land in the United States.