Author(s):

Rahul Kumar, Mukesh Kumar, Ritesh Sharma, PK Singh, KG Yadav, Ashok Kumar and Satendra Kumar

Abstract: A field experiment was conducted at Crop Research Centre of Sardar Vallabhbhai Patel university of Agriculture and Technology, Meerut, during Kharif season of 2017 with ten treatments viz control (T1), Seedling treatment with 1% ZnO solution (5 min.) (T2), 5 kg Zn/ha through ZnSO₄(21% Zn) as soil application (T3), 0.5 kg Zn/ha through Chelated zinc (Zn EDTA) as soil application (T4), 7.5 kg Zn/ha through ZnSO₄ (21% Zn) as soil application (T5), 1 kg Zn/ha through Chelated zinc (Zn EDTA) as soil application (T6), Foliar spray of ZnSO₄with lime (0.1% Zn solution (T7), Foliar spray of ZnSO₄ with urea (0.1% Zn solution (T8), Foliar spray of ZnSO₄with lime (0.15% Zn solution (T9) and Foliar spray of ZnSO₄ with urea (0.15% Zn solution (T10). Experiment was laid out in Randomized block Design with three replications. The soil of the experimental field was sandy loam is texture and slightly alkaline in nature and low in organic carbon, available nitrogen, available potassium and medium in available phosphorus. The basmati rice (PB-1) was transplanted on 20^th July 2017. Plant height, number of tillers/m², dry matter accumulation, number of panicles/m², panicle length, grains/panicle and test weight and grain, straw and biological yield of rice crop was influenced by different sources and methods of zinc application and were recorded significantly highest with the application of 7.5 kg Zn/ha through ZnSO₄ (21% Zn) as soil application (T5). Similarly, this treatment also gave maximum net return and benefit:cost ratio.

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