Theses And Dissertation
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Item Mapping of Surface Water Bodies in Punjab and High Resolution of Remote Sensing Data(Central University of Punjab, 2018) Ahmed, Mukhtar; Singh, Kiran K.This study is an attempt to create boundary of Punjab state and surface water bodies map from NATMO atlas map, SOI map, Landsat-8 data and Google Earth image using GIS software. It has also compared the variation in status which is extracted from the data or image of various scale or resolution. According to NATMO data, the water bodies in Punjab are 1476. 109km2 (excluding canals), according to Landsat-8 are 2844.55 km2 (including canals), according to SOI are 764.93 km2 and according to Google earth are 141.06 km2. Variation in the status of the area and length of surface water bodies is due to the scale and resolution of images. High resolution image is capable of creating precise boundaries. The purpose of this study was to create precise boundaries of the state and water bodies. Management of water bodies calls for generation of multiple inventories and demarcation of precise boundary is one of the inventories. This study also suggests the Map making organisations to revise their maps by using recent geospatial technologies.Item Socio-economic implications of pesticide use in bathinda district of the punjab state(Central University of Punjab, 2014) Kaur, Harvinder; Bhatia, Sandeep KaurThe excessive use of the pesticides in agriculture has not only increased production cost but also led to negative externalities. The present study is an attempt to analyse the socio-economic implications of pesticide use in Bathinda district known as cotton belt as it has maximum area under cotton cultivation. Among eight blocks, two blocks namely Talwandi Sabo having maximum area under cotton cultivation and Phul block having maximum area under paddy cultivation had been selected for the study. Therefore, in the present study entitled "Socio-Economic Implications of Pesticide use in Bathinda District of the Punjab State", an attempt has been are made to access efficiency of two farms growing cotton and paddy and also to find out the impact of pesticides on gross returns of the crops and also on health of farmers and agricultural labourers. The farmers and agricultural labourers engaged in growing cotton and paddy were randomly selected across two villages i.e. Laleana and Rayia respectively. The primary data was collected from 120 farmers and 80 agricultural labourers through structure schedules . The data was analysed using Data Envelopment Analysis programme, Simple regression analysis, Multiple (Step-up) regression analysis and Probit model. The rate of return from pesticides for cotton crop for large farmers (Rs. 13.40) was less than medium farmers (Rs. 14.31) and small farmers (Rs. 15.44). It was the highest for small farmers (Rs. 15.44) showing that it decreases with the increase in the expenditure on pesticides. Likewise for paddy, rate of return was less for large farmers (Rs. 18.56) as they incurred more on pesticides while the highest for small farmers (Rs. 22.67). Regarding the impact of different inputs iv used for returns of cotton, pesticides were significant and positive input while for paddy; labour was significant and positive variable. The result of technical efficiency reveals that cotton farms were less efficient than paddy farms. Usage of pesticides had harmful effect upon the health of farmers and agricultural labourers indicating that those were using manual backup sprayer face many problems. The farmers should be educated to identify the threshold level of pest infestation and take measures only after that instead of blindly following the neighbouring farmers while applying pesticides.