WATER USE EFFICIENCY OF CHRYSANTHEMUM CROP FOR DIFFERENT MULCHES UNDER DRIP IRRIGATION SYSTEM IN SEMI ARID REGIONS
Journal Title: International Journal of Agriculture Sciences - Year 2017, Vol 9, Issue 8
Abstract
The A field experiment was conducted at Precision Farming Development Centre, college farm, The experiment was laid out in split plot design with three drip irrigation levels as main plot treatments (viz., I1- Drip irrigation at 1.0E pan, I2- Drip irrigation 0.8E pan, I3- Drip irrigation 0.6E pan) and four mulches (viz., M1-no mulch, M2- paddy straw, M3- black plastic mulch, M4- dried leaves) as sub treatments and were replicated thrice. The experimental soil was sandy clay loam in texture with low in available nitrogen and high in available phosphorus and potassium. Moisture content was estimated under all three main plot treatments and four subplot treatments. Higher moisture was observed below black plastic mulch and lowest moisture observed below the no mulch condition. Drip irrigation scheduled at 0.6E pan recorded higher water use efficiency (111.09 kg ha-1 mm-1). The least WUE was observed in drip irrigation at 1.0E pan. On the other hand maximum WUE was recorded with application of polythene mulch (113.5 kg ha-1 mm-1), While the least was recorded with no mulch (90.43 kg ha-1 mm-1). This study is concluded that drip irrigation scheduling at 1.0 E pan with application of polythene mulch will be the best combination for getting higher chrysanthemum flower yield and net income under the present agro climatic conditions of semi-arid tropics.
Authors and Affiliations
D. JAWAHARLAL
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