EFFECT OF METHODES. QUANTITIES AND INTERVALS OF IRRIGATION ON SOME GROWTH CHARACTERS OF Acacia Arabica Wild TRANSPLANTS AFTER PLANTING
Mesopotamia Journal of Agriculture,
2013, Volume 41, Issue 2, Pages 154-166
AbstractThe experiment was conducted in Mosul University Compus. eastside of Tigris River. from the beginning of March until November 2006 in order to investigate the effects of irrigation methods (bar soil surface. covering soil surface by gravels and fitting perpendicular plastic pipes). irrigation quantities (4. 6 and 8 liters) and irrigation intervals (one week. two week and three weeks) on growth characters of Acacia Arabica Wild. The factorial experiments was conducted according to Randomized Complete Block Design by using Duncan method to compare the treatments mean. At the end of this experiment the characters. survival percentage. diameter growth increment. height growth increment and branches number increment were tested. and the most important results were as follows:
1) The fitting of perpendicular plastic pipe. quantity of irrigation (8) litters and the shorter irrigation interval gave the best results for all studied characters.
2) The following interaction (perpendicular plastic pipe and 8 liters). (perpendicular plastic pipe and each one week irrigation) and (8 litter and one week irrigation) gave the best result for all the studied characters as compare with the other interactions.
3) Due to the interaction among the studied factors the interaction of (perpendicular plastic pipe and 8 litters and one week irrigation) gave the best results for all the studied characters comparing with the other triple interaction.
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