http://localhost:80/xmlui/handle/123456789/17405 Sat, 04 Apr 2026 18:09:21 GMT 2026-04-04T18:09:21Z http://localhost:80/xmlui/handle/123456789/19051 Title: EFFICIENCY ANALYSIS OF OPEN FIELD TOMATO PRODUCTION IN PUNJAB: A NON PARAMETRIC DATA ENVELOPMENT ANALYSIS APPROACH Authors: Q. Ali; M. T. I. Khan; M. Ashfaq; M. I. Javed Abstract: This study was designed to calculate production efficiency (technical, economic and allocative) and eterminants of inefficiency in open field tomato production in Punjab, Pakistan.Simple random sampling was used for primary data collection from 70 farmers in 2014. Data envelopment analysis explored the mean of technical (79.4%), allocative (58.1%) and economic (45.9%) efficiency. It showed the capability of 21.6 and 41.9% reduction in inputs and total cost, respectively with same output and technology. For sub groups, technical efficiency (92.1%) was more for medium farmer while allocative (74.2%) and economic efficiency (63.8%) was higher for large farmer. Tobit model explored the negative impact of education, experience, extension services and credit availability on inefficiency. Impact on inefficiency was positive for family size, area and vegetable market distance. Fri, 15 Sep 2017 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/19051 2017-09-15T00:00:00Z http://localhost:80/xmlui/handle/123456789/19047 Title: INFLUENCE OF ZINC UNDER DEFICIT IRRIGATION ON GROWTH AND PRODUCTIVITY OF HYBRID MAIZE Authors: M.U. Chattha; M. Maqsood; M.B. Chattha; I. Khan; M.U. Hassan; Q.U. Zaman; M. Usman; M. Maqbool Abstract: Zinc (Zn) is an integral part of many enzymes and proteins required by plants for different physiological functions. The field study was conducted to determine the influence of zinc on growth and yield of maize hybrid under skipping irrigations at different growth stages. The experiment comprised of two factors, irrigation reatment viz regular irrigation system (8 irrigations, control) and skip irrigation at knee high and tasseling tages and Zn application treatments i.e. non-Zn application as ontrol, soil application @ 9, 18 and 27 kg ha-1 . The experiment was laid out in randomized complete block design (RCBD) with split plot arrangement having three replications. The results showed that application of zinc @ 27 kg ha-1 gave maximum leaf area index (5.16), crop growth rate (20.26 g m-2 day -1 ), 1000-grain weight (255.03 g), grain yield (5.64 t ha-1 ) and harvest ndex (34.5%) than lower doses of zinc and minimum was recorded for control treatment. Similarly, for skipping irrigations, maximum improvement in growth and yield was observed with full irrigations, while irrigation kipped at tasseling stage negatively influenced the growth and yield of hybrid maize than at knee height stage. In onclusion, soil applied zinc at 27 kg ha-1 and normal irrigations helped in improving the growth and yield of autumn planted maize. Thu, 14 Sep 2017 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/19047 2017-09-14T00:00:00Z http://localhost:80/xmlui/handle/123456789/19046 Title: INFLUENCE OF FOLIAR APPLIED POTASSIUM AND DEFICIT IRRIGATION UNDER DIFFERENT TILLAGE SYSTEMS ON PRODUCTIVITY OF HYBRIDMAIZE Authors: M. Maqsood; M. U. Chattha; M. B. Chattha; I. Khan; M. A. Fayyaz; M. U. Hassan; Q. U. Zaman; M. U. Chattha Abstract: Field experiment was carried out to study the effect of different tillage systems and skipping irrigation at different growth stages along with or without foliar applied potassium on phenology, growth and yield of maize hybrid. Results revealed that maximum grains per cob (381), 1000-grains weight (281.00 g), grain yield (7.82 t ha-1 ) and biological yield (14.78 t ha-1 ) were observed in conventional tillage system as compared to zero tillage. Regarding the irrigation levels and potassium (K) spray maximum grains per cob (390), 1000-grains weight (309 g), grain yield (8 t ha-1 ) and biological yield (15.33 t ha-1 ) were recorded with full irrigation + 1% Sulphate of Potash (SOP) spray. Skipping irrigation at tasseling stage had the most negative effect on yield attributes. Foliar application of SOP at 1%with full irrigationsunder conventiona. Wed, 13 Sep 2017 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/19046 2017-09-13T00:00:00Z http://localhost:80/xmlui/handle/123456789/19045 Title: NUTRITIONAL VALUE ASSESSMENT AND PROXIMATE COMPOSITION OF GAMMA IRRADIATED GRAPES Authors: N. Munir; Z. Tahir; R. Haq; S. Naz Abstract: Grapes (Vitis vinifera L.) belong to the family Vitaceae that are the best source of energy. The present research was focused to increase the shelf life and controlling the amount of fruit losses by optimizing the dose of gamma radiation and proximate analysis post gamma radiation. In the present study, grape samples were exposed to three doses of gamma radiation i.e. 0.5, 0.8 and 1 KGy. Nutritional value of grapes after gamma radiation was analyzed to determine the change in proximate composition. Through experimentation, it was observed that 0.8 KGy was optimized dose as the sensory properties remained unchanged and shelf life of grapes was increased up to 14 days. However the overall effect of gamma radiation enhanced the shelf life with a non-significant effect. Hence, gamma radiation is a promising technique in increasing country’s conomy Tue, 12 Sep 2017 00:00:00 GMT http://localhost:80/xmlui/handle/123456789/19045 2017-09-12T00:00:00Z