Effect
of Irrigation Regimes and Foliar Potassium Fertilizer on Yield of
Muskmelon in North Sinai
A.I.
El-Kassas and A.A.El-Sebsey
Dept.
Plant Production & Protection
Dept.
Soil & Water.
Fac. Environ. Agric. Sciences., El-Arish, Suez Canal Univ., EGYPT
Abstract: Two field trials were carried out at The Experimental Farm of The Faculty of Environmental Agricultural Sciences, El-Arish, Suez Canal University, during the early summer seasons of 1995-1996 and 1996-1997 in a plastic greenhouse to study the effect of foliar application of potassium under two irrigation treatments (a: irrigation for 30 min. everby day b: irrigation for 15 min. every day) for three muskmelon cultivars (Galia, Arava and Galior). Galia cultivar had the highest water consumptive use (CU) (0.83 and 0.77 m3/m2 in the first and second season, respectively) and water use efficiency (WUE) (7.27and 7.46 kg m-3 in the first and second season, respectively). Potassium foliar application caused higher water consumptive use for the three muskmelon cultivars. The highest total yield (6.01and 5.73 kg m-2 in the first and second season, respectively) and grade A yield (4.07 and 3.80 kg m-2 in the first and second season, respectively) was produced by Galia cultivar using foliar application of potassium with the first irrigation treatment (30 min. every day). We can recommend irrigation for 30 min every day and foliar application of potassium for higher yield and good quality of the muskmelon c.v. Galia under plastic greenhouses in El-Arish region.
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