EFFECT OF DIFFERENT LEVES OF POTASSIUM IN GROWTH AND YIELD OF KHADRAWI BASRAH DATE PALMS CULTIVAR UNDER DRIP IRRIGATION

	EFFECT OF DIFFERENT LEVES OF POTASSIUM IN GROWTH AND YIELD OF KHADRAWI BASRAH DATE PALMS CULTIVAR UNDER DRIP IRRIGATION
Euphrates Journal of Agriculture Science
Article 1, Volume 7, Issue 1, 2015, Pages 213-221
Abstract
Abstract: The present study was carried out during 2013 and 2014 growing seasons to evaluate the effect of different levels of potassium in growth and yield characteristic of Kadrawi Basrah date palms. Potassium fertilization added in 5 rates namely; 0, 150, 300, 450 and 600 gm K2O palm-1 as K2SO4 (50% K2O) at three application. Randomized complete block design with three replicates was used in this study. The results showed that increasing the levels of K from 0 to 600 gm K2O.palm-1 significantly increasing all studied characteristic of date palm for two seasons. The level 600 gm K2O.palm-1 gave highest values for those properties. The increased percentage of those properties for season /2013 were 9.5,15.7,100,100, 38.8 , 30.2, 35.3, 36.0, 26.0 ,24.9, 25.8% for old and modern leaves length, bunch and offshoots number, fruit weight , fruit volume, dry weight, total soluble solids( TSS), reducing sugars , non reducing sugars and total sugars respectively, while the increased percentage for season / 2014 were 8.1,15.3,100,125 39.2, 33.5, 35.3, 30.8, 20.8, 26.3 and 21.9% respectively as compared with control. المقدمة:

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