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Articles by Haji Khalil Ahmad
Total Records ( 3 ) for Haji Khalil Ahmad
  Shah Jehan Khan , Muhammad Ayyaz Khan , Haji Khalil Ahmad , Rahm Din Khan and Yusuf Zafar
  Tissue culture techniques were used to develop soma-clones in sugarcane to screen salt tolerant clones subsequently. Callus masses derived from young leave of high yielding cultivar of sugarcane (CP-43/33). The plantlets were regenerated from one month old callus. The plantlets were transplanted to pots after hardening. The grown up plants were transplanted to well prepare soil. The sets of well developed plant were planted in saline sodic soil. Screening of salt tolerant soma-clones was made. The salt tolerant soma-clones performed better in the characteristics of number of tiller/plant, stem height, number of nodes/stem, root band width with variability of 20, 50, 8.33 and 14.3%, respectively. The soma-clones performed less in the characteristics of girth of stem and brix (%) of 12.5 and 5.2, respectively.
  Muhammad Iqbal Marwat , Haji Khalil Ahmad , Haji Himayatullah Khan and Ayyaz Khan
  The effect of various management options like herbicide types and varying spacings on economic traits in wheat were studied. The factors included were: three varieties, three types of herbicides-broad-spectrum, broad leaf, grassy leaf herbicide and a control plots following row spacings of 18, 25 and 32 cm. The biological, grain and straw yield, net income and cost benefit ratio were significantly affected by varieties, herbicides and row spacings. Interaction between varieties and row spacings was significant for biological and grain yield and net income. Among varieties Bakhtawar-92 had maximum biological yield, grain yield, straw yield, net income and benefit cost ratio over Ghaznavi-98 and Inqilab-91. In case of herbicide treatment, broad-spectrum herbicides had higher biological yield, grain yield, straw yield, net income and benefit cost ratio over broad leaf, grassy leaf herbicide and weedy check. Within row spacing, 18 cm space had maximum biological yield, grain yield, straw yield, net income and benefit cost ratio over 25 and 32 cm row spacings, respectively. In the interaction of varieties and row spacing, highest had been found in var. Bakhtawar-92 with 18 cm row spacing for biological yield (14.81 t ha-1), grain yield (4.93 t ha-1) and net income (Rs. 37894 t ha-1). It is concluded that for integrated weed management in wheat, variety Bakhtawar-92, broad-spectrum herbicide and 18 cm spacing may be integrated.
  Abdul Aziz Khakwani , Haji Khalil Ahmad , Gull Hassan and Fateh Ullah Khan
  Studies on the feasibility of intercropping sunflower (SF) in sugarcane (SC) under different geometrical patterns and fertilizer doses were conducted. Experiment comprised of three fertilizer levels viz., 140:100:100, 160:120:150 and 180:140:200 and seven geometrical pattern viz., sole sugarcane (SC), one row of sugarcane + one row of sunflower (SC 1 row + SF 1 row), SC 2-row strip + SF 1 row, SC 2-row strip + SF 2-rows, SC 3-row strip + SF 2-rows, SC 3-row strip + SF 3-rows, and sole SF. The main effect for fertilizer doses were statistically significant for all the parameters examined. The best performance for all the parameters was shown by the fertilizer application at the rate of 180:140:200 (NPK kg ha-1). The planting geometries differed significantly in affecting the yield parameters of the component crops. The planting geometry of 1SC+1SF gave the second highest net return of Rs.51307 after the sole crop of sugarcane in 1995 and the highest net return of Rs.51084 in 1996 followed by sole crop of sugarcane with net return of Rs.50296. This geometry produced the highest net return and caused the highest reduction in weed biomass thus it helped in avoiding weed control through chemicals, which bring about environmental pollution and hence it is recommended in autumn planted sugarcane for higher income.
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