The Effects of Controlled Drainage on the Cane Crops: The study of Emam Khomeini’s Industry and Plant Farms of cane

Document Type: Original Article

Authors

1 Department of Irrigation and Drainage,Science and Research Branch, Islamic Azad University,Khouzestan,Iran

2 M.S of Water,Department of Irrigation and Drainage, Science and Research Branch, Islamic Azad University,Khouzestan,Iran

3 Department of Irrigation and Drainage, Faculty of Water Sciences Engineering, ShahidChamran University of Ahwaz,Khouzestan,Iran

4 Department of Irrigation and Drainage, Science and Research Branch, Islamic Azad University,Khouzestan,Iran

Abstract

Holding up the phreatic surface near by the plant root zone to effective use of water and provide the
moisture on the root zone is a usual method, which uses for several decades by researchers. In this
study, we investigate the possibility of controlled drainage method in dry and half-dryzone (i.e., the
climate of the center and south of the Khuzestan state) on thecane plant. The results showedthat the
salinity of free care soil at the layer (0-30)cm in size 1.3 dz rather than the same layer at the controlled
care had increased. The changes of salinity on the other layers for two cares arelow. In order to water
use, the test care use 38percent lower than the free care and the efficiency of water in test care is
41.3percent more than the free care. In order to water period, the test care was 33 percent lower than
the free care. According to input salt, the test care is lower than the free care, equal to 36percent.
According to output salt of the drainages, the test care was lower than the free care, equal to
53percent. The crop quantity performance of the test care was more than the free care in rate of
8.66percent;on the crop,quality performance of the test care on the rate of syrup weight for cane
weight was (EX) 15.9percent. On the rate of exist sugar in syrup (POL) 6.01 percent, and on the rate
of solvable solid elements in syrup (Brix) 5.24percent, and on the level of syrup candor or the rate of
pure syrup, has 0.8percent more than the free care.

Keywords


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