EFFECT OF USING FISH BASINS DRAINAGE WATER, MULCHING AND WATERING REGIME ON CABAGE CROP PROPERTIES UNDER DRIP IRRIGATION SYSTEM

Document Type : Original Article

Authors

1 Assoc. prof. of Agric. Eng., Fac. of Agric., Tanta Univ., Egypt.

2 Assis. prof. of Agric. Eng., Fac. of Agric., Tanta Univ., Egypt.

Abstract

Water scarcity in Egypt increased with rapidly population growth which represents a great challenge for the Government. The reuse of drainage water produced from various agricultural sources including cultivated lands and fish farming systems could a robust solution for horizontal expansion of cultivated area. This research aimed to assess the feasibility of using the drainage water of fish farming basins to irrigate cabbage crop. Three different watering regimes (100%, 80% and 60% ETc) and two types of water (canal water and fish farming drainage water) were investigated under two conditions (mulching with rice straw and without mulching). The results demonstrated that drainage water of fish increased the yield of all cabbage components. The combination of 100 % ETc, and drainage water of fish with mulching produced the highest head yield of 197.5 Mg ha-1 comparing with other treatments. Fish water increased yield by 1.7, 49.3 and 30.6% under 100, 80 and 60 ETc respectively. Marketable head yield, head diameter and head height had the same trend. The highest values of Marketable head yield, head diameter and head height were 167.9 Mg ha-1, 70.4 cm and 59.5 cm, respectively. The results also showed that low watering regime (60 % ETc) resulted less head yield and other yield components regardless the influence of water type and using mulching.

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