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Articles by Amanullah Jan
Total Records ( 6 ) for Amanullah Jan
  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.
  Amanullah Jan , Khalid Naveed and Muhammad Tariq Jan
  In order to provide conducive environment for groundnut growth and pig penetration, two soil amendments methods using various levels of gypsum (0, 250, 500 and 750 kg ha-1) and silt (25, 50 and 75%) were applied. Results showed that days to flowering and maturity, nodules plant-1, pod plant-1 grain yield (kg ha-1) and biomass were significantly (p < 0.01) affected by SA and GNR, while the effect on emergence m-2 and 1000-grains weight was non significant. GNR and SA had significantly delayed flowering and maturity and significantly more nodule plant-1, pod plant-1, biomass yield and grain yield as compared with control.
  Amanullah Jan , Ijaz Hamid and Talah Muhammad
  All the parameters i.e. total and productive tillers m–2, plant height, days to 50% heading and maturity, grains spike–1 were significantly affected by sowing dates. Both the total and productive tillers m–2 were highest when the crop was sown on 1st November and lowest when sowing was done on 20th December. Heading and maturity were delayed in the plot sown earlier, grain spike–1 were highest on 20th November and 1000 grain weight were highest upto the sowing date of 30th November. Seed rates had only significantly affected 1000 grain weight which reduced when the seed rate was increased to 99 kg ha–1.
  Amanullah Jan , Ijaz Hamid and Muhammad Tariq Jan
  Number of plant emergence/m2 and 1000 grain weight were significantly affected by seed rates. The number of plants emerged per unit area increased while 1000 grain weight decreased with increase in seed rates. The effect of seed rates on productive tillers/m2, seed grade recovery and grain yield ha–1 were not significant. Emergence/m2, productive tillers/m2, 1000 grain weight, seed grade recovery and grain yield ha–1 significantly decreased as the sowing was delayed from the first week of November till the third week of December. In overall, November sowing was superior to the December sowing.
  Syed Abdul Sadiq , Muhammad Shahid , Amanullah Jan and Syed Noor-Ud-Din
  The increase in levels of NPK increased days to flowering and maturity, plant height, head diameter and number of grains per disc. However, the increase in 1000 grain weight and grain yield per hectare was upto 80:50:50 kg/ha NPK level after which it dropped. On the basis of these findings, application of 80:50:50 kg NPK/ha is recommended for sunflower crop to obtain maximum grain yield under irrigated conditions.
  Amanullah Jan , Shaafat Ahmed Kaleem , Fazal Hyat Taj and Humayun Khan
  Significant differences in the five cultivars of mungbean namely NM-92, NM-19-19, NM-121-25, N-41 and a local were observed in all the characters studied. Cultivar NM-121-25 had maximum: number of pods plant–1 (18.18), grain pod–1 (9.79), harvest index (16.87%) and grain yield kg ha–1 (466) and minimum shattering (3.5%). Seed rate of 10 kg ha–1 had maximum: pods plant–1 (19.70), grain pod–1 (10.40), harvest index (22.01) and minimum Shattering of 4.55%, but lowest grain yield of 413 kg ha–1 mainly because of substandard plant population. Seed rate of 20 kg ha–1 seems optimum as it although ranked second in all traits studied here but gave highest grain yield of 486 kg ha–1 and could be due to the most desirable population in the existing environment.
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