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Articles by A. Tanveer
Total Records ( 6 ) for A. Tanveer
  M. Ayub , M.S. Sharar , A. Tanveer and M. Khaliq
  Response of wheat (Triticum aestivum L.) cultivar Inqulab-91 to nitrogen application of 120 kg ha -1 at different growth stages (full at sowing, full at tillering, half at sowing and half at tillering, half at sowing and half at flowering, half at tillering and half at flowering and 1/3 at sowing, 1/3 at tillering and 1/3 at flowering) was studied under field conditions during 1993-94. Grain yield and various yield components like plant height, total number of tillers m -2, fertile tillers m -2, number of grains per spike, 1000-grain weight and harvest index were affected significantly by nitrogen application at different growth stages. Maximum grain yield of 84.31 q ha -1 was obtained where nitrogen was applied in three equal splits (1/3 at sowing, 1/3 at tillering and 1/3 at flowering) and it was followed by full at tillering and full at sowing which yielded 80.47 q ha -1 and 80.07 q ha -1, respectively. The nitrogen in three equal splits (1/3 at sowing, 1/3 at tillering and 1/3 at flowering) should be applied for getting higher grain yield of wheat in Faisalabad conditions.
  M. Ayub , I. A.P. Dewi and A. Tanveer
  A pot experiment was conducted to evaluate the effect of nitrogen levels (0, 50, and 100 kg ha-1) on grain yield, yield components and quality of barley grain. Grain yield was increased progressively with nitrogen application up to 100 kg ha-1. Higher grain yield with nitrogen application was related to higher number of fertile tillers, number of grains per spike and 1000-grain weight. 50 and 100 kg N ha-1 gave significantly lower grain crude protein percentage both in grain and straw than O kg N ha-1. Modified acid detergent fibre percentage of straw and grain was not affected by the application of nitrogen.
  M. Ayub , A. Tanveer , M.Z. Amin , M.S.Sharar and A. Pervaiz
  A field experiment was conducted to compare the response of sunflower cultivar SF-187 to muriate and sulphate of potash, each at 0,50, 100 and 150 kg ha-1. Different sources and levels of K did not significantly affect the plant height, stem diameter, 1000-achene weight and harvest index. However, leaf area per plant, stalk yield, number of achene head-1, seed yield and oil contents were affected significantly by K2O levels. A significant increase in seed yield and oil contents was observed upto 100 kg ha-1 but both these parameters were decreased beyond this limit. A decrease of 26 and 20 per cent in seed yield was noted by potassium application at the rate of 150 kg ha-1 in the form of sulphate of potash and muriate of potash respectively. The application of potash more than 100 kg ha-1 seems to be uneconomical to sunflower in Faisalabad conditions.
  A. Tanveer , M. Ayub , R. Ahmad and A. Ali
  A field study was conducted to evaluate the effect of adding a wetting agent to 2, 4-D on weed control in wheat. Triton @ 200 and 250 was used as wetting agent with recommended (1.3 kg ha-1) and reduced rate (1.00 kg ha-1) of 2, 4-D . Weedy check and sole application of 2, 4-D was also included for comparision. Different weed control treatments significantly reduced the weed population compared to weedy check. Appliction of 2, 4-D @ 1.3 kg ha-1 added with wetting agent @ 200 ml kg-1 of 2, 4-D gave 39 per cent more grain yield than weedy check.
  K. Iqbal , A. Tanveer , A. Ali , M. Ayub and M. Tahir
  Study to determine the effect of different levels of N and P on the fodder yield and quality of rice bean comprised NP combinations of 0-0 (control), 25-25, 25-50, 25-75, 50-25, 50-50 and 50-75 kg ha–1. Plant height, number of branches, leaves and leaf area increased significantly by the application of N and P over control. Maximum green fodder yields of 50.35, 51.61 and 53.03 t ha–1 were obtained in plots fertilized at 50-25, 50-50 and 50-75 kg ha–1, NP respectively. Crude protein, crude fibre and ash contents of the rice bean were increased by increasing rates of N and P.
  M. Ayub , A. Tanveer , K. Mahmud , A. Ali and M. Azam
  Response of two sorghum cultivars namely Hegari and JS-263 to different NP levels of 0-0, 50-0, 100-0, 50-50, 100-50 and 100-100 kg ha–1 was studied under field conditions. The cultivar Hegari gave significantly higher green fodder and dry matter yield due to greater plant height, stem diameter and leaf area plant–1. The crude fiber per cent and ash per cent were also significantly higher for cultivar Hegari. A progressive increase in yield was observed with fertilizer application up to 100 kg N + 50 kg P205 ha–1 whereas, the quality parameters such as protein content, crude fiber and ash percent were significantly higher with NP application of 100 + 100 kg ha–1. The cultivar Hegari and fertilizer level of 100 kg N + 50 kg P205 ha–1 seems to be the best combination for harvesting higher fodder yield of sorghum under Faisalabad conditions.
 
 
 
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