Author(s):

Awdhesh Kumar, Mahesh Kumar and Abhinandan Singh

Abstract: In agriculture sector, among crops wheat is the important rabi crop of India, which is not only a staple food crop of India, however staple food crop for world. India’s rank in wheat production is 2nd followed by china. In India wheat occupies an area of 30.23 million hectares having production 93.50 million tone and having productivity of wheat is 3093 kilogram per hectare. The present study was aimed to analyze the trends of wheat yield in Bihar with all three agro-climatic zones of Bihar purposively because cultivation of wheat in whole Bihar on large scale and also due to better profitable crop. A time series data on wheat yield were collected for 1964-65 to 2015-16 from Directorate of Economics and Evaluation Department, Govt. of Bihar, Patna. After study were done for trend analysis, it were found that the trend is likely to be increasing order of wheat yield (except few years). The overall trend in all three agro-climatic zones i.e. zone-I, zone-II, zone-III and also for whole Bihar seems to increasing and linear. A validity test were also done by using Kendall test, Spearmann test and Pearson test, it was found that all are highly significant.

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