To Study the Instability and its Causes in Production of Major Pulse Crops in Rajasthan

H. Balai
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Abstract

The study was conducted the growth of area, production and productivity of major pulse crops i.e. gram, lentil, black gram, green gram and pigeon pea crops in Rajasthan. The study was based on secondary data from 1988-89 to 2017-18. Instability in area, production and productivity of selected pulse were worked out for entire period of analysis by Cuddy-Della Valle index and to measure the cause of instability with respect of selected pulse crops i.e. gram, lentil, black gram, green gram and pigeon pea in Rajasthan, acreage response function (log linear function) and yield response function have been used. The study revealed that area and production of selected pulse crops were highly instable in Rajasthan except area under green gram. Subsequently, the productivity of green gram and pigeon pea were also more instable while gram and black gram were found medium instable. In the mean, time productivity of lentil was very less instable. Gram and green gram growers in Rajasthan showed contrary response to lagged area under its competing crop i.e. the decrease in area of competing crop in last year season, thereby that was tendency to increase the area under gram and green gram in Rajasthan. while quite responsive to lagged area under lentil, black gram and pigeon pea crop in Rajasthan. It means the increase in area of lentil, black gram and pigeon pea crops in last year season, there is tendency to increase the area under lentil, black gram and pigeon pea in Rajasthan. The time trend factor showed positive influence on productivity of all selected crops in Rajasthan. Further, seasonal rainfall recorded positive impact on black gram, green gram and pigeon pea crops while on lentil and gram it was negative in Rajasthan.
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研究拉贾斯坦邦主要脉冲作物生产的不稳定性及其原因
该研究是对拉贾斯坦邦主要脉冲作物,即克、扁豆、黑克、绿克和鸽豆作物的面积、产量和生产力的增长进行的。该研究基于1988-89年至2017-18年的二手数据。通过Cuddy-Della山谷指数分析,在整个分析期间得出了选定脉冲作物的面积、产量和生产力的不稳定性,并使用面积响应函数(对数线性函数)和产量响应函数来测量拉贾斯坦邦选定脉冲作物(克、扁豆、黑克、绿克和鸽豆)的不稳定性原因。研究表明,在拉贾斯坦邦,除绿克作物外,选定的脉冲作物的面积和产量高度不稳定。随后,绿克和鸽豆的产量也较不稳定,而克和黑克则为中等不稳定。同时,小扁豆的时间生产力具有较小的不稳定性。拉贾斯坦邦的克兰和绿克种植者对其竞争作物下的滞后面积表现出相反的反应,即去年季节竞争作物面积减少,因此拉贾斯坦邦克兰和绿克下的面积有增加的趋势。而对拉贾斯坦邦扁豆、黑克豆和鸽豆作物的滞后区域反应相当灵敏。这意味着去年小扁豆、黑克兰和鸽豆的种植面积增加,拉贾斯坦邦的小扁豆、黑克兰和鸽豆的种植面积有增加的趋势。时间趋势因子对拉贾斯坦邦所有选定作物的生产力均有正向影响。此外,在拉贾斯坦邦,季节性降雨对黑克、绿克和鸽豆作物产生了积极影响,而对扁豆和革兰豆则产生了负面影响。
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