Maneesh Yadav
Agriculture
October 2021
A field experiment trial was carried out at Instructional Farm of Rajasthan College of Agriculture, Udaipur during rabi 2020-21. The trial was laid out in split plot design with 12 treatment combinations. The three levels of irrigation (one irrigation at seedling stage, two irrigations at seedling + pod formation stage and three irrigations at seedling+50% flowering+ pod formation stage) in main plots and four levels of zinc (control, 4 kg Zn ha-1, 8 kg Zn ha-1 and 12 kg Zn ha-1) in sub plots replicated four times. The results revealed that water use efficiency of mustard decreased significantly with increasing levels of irrigation but the soil fertility parameters remained statistically unchanged with the irrigation. The available nitrogen, potassium, sulphur and zinc in soil after harvest of mustard crop increased significantly with application of zinc. The available phosphorus in soil after harvest decreased with increasing levels of zinc whereas, water use efficiency of mustard was increased significantly with increasing levels of zinc up to 8 kg Zn ha-1.
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