213 research outputs found
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Z-test for gender populations: knowledge analysis for environment
No full textEnvironmental knowledge gives elemental practices and optimum utilization of resources. This gives a balanced surrounding with fulfillment of growing needs. This helps in repletion process. Gender based studies conducted have failed to reach a common conclusion. Hence this study was conducted to compare and measure the environmental knowledge of boys and girls. The city of Bikaner, Rajasthan was selected because it is located on the fringe of Thar desert making environment a very vital issue for the survival of the town. The study was conducted on youths of age group 14 to 20. Primary data was collected using pre-tested questionnaire. The study covered various aspects of environmental topics such as water, transportation, trees, air and global warming. To analyze difference in knowledge level of genders, chi-square or z-test were applied. Environmental knowledge index was calculated using cumulative scores and index number formula. The students were quite divided in their opinion on questions related to environmental topics such as water, transportation, trees and air. Some issues of the above mentioned topics raised no difference among the knowledge level of boys and girls where as in others differences crept. No significant differences in knowledge level of genders on global warming were observed. However, combined result showed girls seemed to possess more knowledge level with environmental knowledge index of 52.19 than boys of the same age group with a difference of 4.26. Environmental knowledge index was average hence students need to be informed more
Response of Nitrogen, Phosphorous and Potassium Levels on Growth and Yield of Okra [Abelmoschus esculentus (L.) Moench.]
No full textA field experiment was conducted during summer (Zaid) 2015 at Instructional Farm Department of Horticulture, MJRP College of Agriculture & Research, MJRP University Jaipur (Rajasthan). Results of field experiment revealed that the minimum days required to opening flower from sowing were recorded under application of 90 kg N + 60 kg P2O5 + 60 K2O ha-1 whereas the maximum days were noted under absolute control. Plant height and seed germination were recorded maximum under application of 90 kg N + 60 kg P2O5 + 60 K2O ha-1, after 40 days, 60 days and 80 days. Amongst fruit characters, the maximum length and diameter of fruits, fruit yield plant-1and number of fruits plant-1were recorded under application of 90 kg N + 60 kg P2O5 + 60 kg K2O ha-1 The maximum yield was obtained under application of 90 kg N + 60 kg P2O5 + 60 K2O ha-1. Application of 90 kg N + 60 kg P2O5 + 60 K2O ha-1 recorded significantly higher net returns and B C ratio which was found statistically superior
Enhancing forest productivity through afforestation on arid salt affected sandy soils in Rajasthan
No full textSoil salinity/alkalinity is an important factor adversely affecting soil health and plant productivity on arid salt affected soils. In India, 6.73 m ha area has been reported to be salt affected of which about 50 % (2.98 m ha) occurs in Rajasthan, Gujarat, Haryana and Punjab. Utilization of these salt affected areas has become necessary owing to increasing need for fodder and fuel wood for rural poor but they require specific approaches for their reclamation. Experimental trials were conducted on lithic, calcid, coarse sandy to loamy sand salt affected soil in Jodhpur, Rajasthan to find out suitable exotic and indigenous plant species and planting practice to increase the production. Results on performances of various tree and shrub species with management practices showed that Salvadora persica (L) a preferential halophyte, evergreen multipurpose indigenous tree proved most versatile with 85.2 to 66.7 %, survival in different treatments at 72 months of age . Effect of treatments was positive and T6 (gypsum + 9g N) was the best treatment attaining 207cm of height and 212 cm of crown diameter, which was 38 % and 24 % more than the untreated plants. It produced 12.0 kg/tree of above ground biomass followed by 10.7kg and 8.8kg in T8 (gyp + 27g N) and T2 (9 g N) respectively which was 71%, 53% & 27% more than the control (untreated plants). There is no decrease in survival even after 18 years. In another experimental set up tree species like Sueada nudiflora, Atriplex lentiformis and Atriplex stocksii performed well on different types of mound techniques i.e. Double ridge mound (DRM) and Circular dished mound (CDM). Based on survival and growth S. nudiflora was the best species followed by A. lentiformis and A.stocksii. Overall DRM was the best planting practice producing maximum mean dry biomass. C. mopane (Kirk et Benth), an exotic species of south central Africa, maintained 89 % overall mean survival after five years and plants on CDM structure attained 113 & 158 cm as mean height and crown diameter respectively as compared to 101 & 151 cm for control at 60 months of age. Overall plants on CDM recorded a mean 1.45kg green biomass yield/plant which is 5.9% more compared to control (1.37kg)