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Articles by Ijaz Ahmad Khan
Total Records ( 6 ) for Ijaz Ahmad Khan
  Naeem Khan , Amanullah Jan , Ijaz Ahmad Khan , Muhammad Azim Khan and Ihsanullah
  An experiment was conducted at Agronomy Farm, NWFP Agricultural University, Peshawar during 1998-99 to study the response of wheat cultivars to varying seeding rates under rainfed conditions. The cultivars sown were Khattakwal, Suleman-96 and Tatara-96. Seed rates were 40, 80, 120 and 160 kg ha -1. The results revealed that the wheat planted at the rate of 160 kg ha -1 significantly produced highest grain yield 2733 kg ha -1 as compared to lower seeding rate. Similarly highest biological yield of 8466 kg ha -1 was recorded for highest seed rate (160 kg ha -1), and the lowest biomass yield of 5807 kg ha -1 for the lowest seed rate of 40 kg ha -1. Highest number of 215 spikes m -2 was for the highest seed rates and lowest of 113 spikes m -2 were for the lowest seed rate. Among the cultivars, Suleman-96 gave the highest grain yield (2708 kg ha -1) whereas Tatara-96 and Khattakwal produced 2500 and 1233 kg ha -1, respectively. Suleman-96 produced more number of grains/spike than Tatara-96 and Khattakwal. In addition, the 1000 grain weight of Suleman-96 was slightly more than Tatara-96 and Khattakwal i.e., 43, 42 and 31g respectively. Number of spikes m -2 were equal in case of Khattakwal and Tatara-96, whereas slightly less in Suleman-96 i.e., 163, 160 and 164 respectively. Khattakwal was highly susceptible to lodging as compared to Suleman-96 and Tatara-96. However, Suleman-96 had a higher number of loose smut attacks and the seeds should be treated with fungicides before sowing.
  Noorullah Khan , Amanullah Jan , Ihsanullah , Ijaz Ahmad Khan and Naeem Khan
  The research work was conducted to study the effect of nitrogen (0, 40, 80 and 120kg ha-1) and sulphur (0, 30, 60 and 90kg ha-1) on the yield and oil contents of canola variety Dunkled. Data were recorded on number of branch plant-1, pods plant-1, seeds pod-1, 1000 grain weight, grain yield (kg ha-1) and oil content. The effect of nitrogen was significant on all the parameters. Plots that received highest dose of N (120 kg ha-1) had maximum number of branches plant-1 (14), pods plant-1 (760), seeds pod-1 (28.04), thousand grain weight (3.15 g) and grain yield (2653 kg ha-1), while minimum oil content (42.1%). Different doses of sulphur had significantly increased number of branches plant-1 (12), pods plant-1 (582), grain yield (1683 kg ha-1) and oil content (44%), but had not significantly affected seeds pod-1 and 1000 grain weight. Grain yield was significantly higher at the highest levels of both the nutrients applied.
  Amanullah Jan , Noorullah Khan , Naeem Khan , Ijaz Ahmad Khan and Baharullah Khattak
  The research was conducted to study the effect of nitrogen (0, 40, 80 and 120kg ha-1) and sulphur (0, 30, 60 and 90kg ha-1) on the yield and oil contents of canola (Dunkled vareity). The effect of nitrogen was significant on grain yield, oil content erucic acid, but had not significantly affected glucosinolate content. Plots that received highest dose of N (120kg ha-1) had maximum grain yield (2653kg ha-1) but minimum oil content (42.10%) and erucic acid (0.31%). Different doses of sulphur had significantly increased grain yield (1683kg ha-1), oil content (44%) and erucic acid (0.50%) but had not significantly affected glucosinolate content. Grain yield was significantly higher at the highest levels of both the nutrients applied while oil contents decreased with increase in level of sulphur to 90kg ha-1 (43.19%) and nitrogen to level of 120kg ha-1 (42%). The result indicated that glucosinolate is not effected by the two nutrients i.e., N and S.
  Ihsanullah , Amanullah Jan , Fazal Hayat Taj , Ijaz Ahmad Khan and Naeem Khan
  All the parameters i.e., days to emergence, days to flowering, days to physiological maturity, number of pods per plant, number of seeds per pod, 100-seeds weight, biological yield, grain yield were significantly affected by sowing dates. Less days to emergence (6.6), less days to flowering (40) and less days to physiological maturity (75.7) were recorded. Biological yield was maximum for June 15 (6000 kg ha-1) followed by July 01(5439 kg ha-1). Number of pods per plant, number of seeds per pod, 100-seeds weight (g), grain yield (kg ha-1) got highest value of 30.2, 5.1, 4.26 and 825 respectively for July 01 sowing. Effect of the various mashbean varieties was significantly different for number of pods per plant, number of seeds per pod, biological yield and grain yield. Among these parameters highest number of pods per plant (20.6) for NARC Mash-1, higher number of seeds per pod (4.9) for NARC Mash-3, greatest biological yield (4400 kg ha-1) for NARC Mash-4 and more grain yield (557.1 kg ha-1) for NARC Mash-1. Interaction between varieties and sowing dates did not significantly affect any parameter. It may be concluded that July 01 sowing date and NARC Mash-1 variety appeared to be suitable for irrigated condition of Peshawar valley.
  Ihsanullah , Fazal Hayt Taj and Ijaz Ahmad Khan
  The research work was conducted to find out the performance of maize under different weed management. The treatments were weeding with khurpa, hand hoe, wheat mulch, oat mulch, Primixtra 500FW @ 1.5 litres per acre, Stomp 330EC @ 1 litre per acre and weedy check. Maximum emergence m-2 (17.50) was for oat mulch, which was at par with wheat mulch (16.75). Minimum weeds density m-2 (3.75), maximum cob length (17.77 cm), number of grains cob-1 (380) 1000-grains weight (294 g) and grain yield (3943) were recorded for Primixtra 500FW. The weed species infesting the field were Cyprus rotendus, Sorghum helepense, Cynodon dactlon, Leptochloa sp., Echinochloa crussgalli, Tribulus terrestris, Convolvulus arvensis and Portulaca oleracea etc.
  Muhammad Luqman , Nawab Ali Ihsanullah and Ijaz Ahmad Khan
  A survey to investigate the reasons which are responsible for limitation of date palm cultivation in district Karak was conducted. Fifty farmers were contacted in this region. On the basis of the information obtained from the farmers, it is concluded that extension services fall short than the growing demands of the farmers. It should be immediately launched. The farmers should be exposed to necessary skills about propagation, pollination, transportation, storage and packing etc. They should be provided with good varieties and credits in order to promote the date palm cultivation in the region.
 
 
 
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