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Articles by G.H. Jamro
Total Records ( 10 ) for G.H. Jamro
  M.H. Siddiqui , F.C. Oad and G.H. Jamro
  The field experiment was conducted at Students Farm, Sindh Agriculture University, Tandojam, Pakistan to observe the emergence of maize and nitrogen use efficiency of the crop under different fertility regimes (0-0, 90-00, 90-60, 90-90, 90-120, 150-00, 150-60, 150-90 and 150-120 NP kg ha-1) applied in the plots plowed through tillage practices with cultivator, chisel and desi plows. The better emergence was obtained with 90-90 NP kg ha-1. The seedling emergence decreased at higher doses of N and P. The interaction of tillage x fertilizer revealed that fertilizer at the rate of 90-150 kg ha-1 and tillage practices with cultivator exhibited higher seedling emergence, while the plots ploughed with chisel plow and desi plow recorded decreased emergence. However, chisel plowing recorded higher fertilizer nitrogen use efficiency than the plots ploughed by cultivator or desi plough. Nitrogen use efficiency at high levels of nitrogen applications was low than in the low rates of N incorporation. It was concluded that tillage practices should be performed with cultivator and 90 kg N ha-1 is suitable combination for seedling emergence and crop yield of maize.
  B,R.Kazi , F.C.Oad , G.H. Jamro , L.A. Jamail and L.Kumar
  Field experiments on soybean variety Hampton-266A were carried out for three years at Sindh Agriculture University, Tandojam on silt loam soil. Factorial experiments in Randomized Complete Block with four replications were carried out with three soil moisture stress levels (3, 5 and 8 bar tension) and two fertility levels (NPK 50-60-30 and 50-90-30 kg ha-1). The data demonstrated that seed yield was highly significantly affected by moisture stress and fertility levels. The seed yield reduced by 28 and 20% at 8 and 15 bars respectively as compared to 3 bar soil moisture stress. The seed yield was about 10% more in 90 kg P2O5 Per hectare as compared to 60 kg P2O5 per hectare. It is therefore suggested that soybean crop should be irrigated when soil moisture reaches at the level of 3 bar, where satisfactory yield could be obtained.
  B.R. Kazi , F.C. Oad , G.H. Jamro , L.A. Jamil and A.A. Lakho
  Correlation study between irrigation frequencies and growth yield attributed and yield of brassica species was carried out at Oilseeds Experimental Field of Agriculture Research Institute, Tandojam. Four treatments consisting irrigation frequencies viz. 2, 3, 3, 4 and 5 irrigations and three brassica species i.e., Early Raya, Toria Selection and P-269 were studied. The correlation between irrigation frequencies and growth parameters and yield attributes was strong and positive. The regression coefficient indicated that for each increase in irrigation level, the seed yield would increase by 27.78 kg per hectare, but took maximum days to flowering, pod formation, seed formation and delayed maturity.
  B.R. Kazi , F.C. Oad , G.H. Jamro , L.A. Jamil and A.A. Lakho
  Experiments were conducted at Sindh Agriculture University, Tandojam to study the impact of irrigation frequencies on the growth and yield of soybean Cv. Bragg the experiment was laid out in Randomized Complete Block Design with four replications. The irrigation frequencies were 2, 3, 4, 5 and 6 irrigations. It was observed that the growth, yield components and oil content were highly significantly affected by irrigation frequencies. Maximum plant height, more branches and pods per plant, seed index and seed yield and oil content percentage were found superior with the application of 6 irrigations followed by 5 irrigations. Whereas, lowest number of irrigations decreased all the traits adversely.
  F.C. Oad , G.H. Jamro , A.A. Lakho and G.Q. Chandio
  Experiments on the correlation coefficient of growth and cane yield traits of sugarcane with micro nutrients like: Zn (1.50, 3.00 and 4.50 kg ha-1), Cu (0.5, 1.0 and 1.5 kg ha-1), B (0.25, 0.50 and 0.75 kg ha-1) and Mn (1.0, 2.0 and 3.0 kg ha-1) and control where conducted. The results revealed that all micro nutrients showed positive correlation with tillers, tope weight, cane length, internode number and length, stem diameter, hieght, millable cane and cane yield, except copper for tillers, zinc for top weight, boron for top weight and manganese responded significant response for stem diameter and millable canes, respectively. It is suggested that micro nutrients are essential elements for obtaining satisfactory yields for sugarcane. Application of excess amount of these elements reduces the yield by reducing the crop parameter values, but, adequate quantities produced boosted yield. Thus, it is recommended that micro nutrients may be applied after various soil tests and proper levels should be chalked-out.
  U.A. Burriro , H.A. Samoon , F.C. Oad and G.H. Jamro
  Experiment were conducted to study the crop coefficient (Kc) and water use Efficiency (WUE) of soybean as affected by soil moisture stress and fertility levels at Malir Experimental Farm, Sindh Agriculture University. Tnadojam, Pakistan on silt loam soil. The results revealed that crop efficient (Kc) increased with an increase in the crop age. The Kc was higher proportionate to higher moisture availability. The peak Kc was at 105-125 days after sowing, corresponding with early stage to complete fill stage of soybean crop. Water use efficiency at 5 bar tensions signified the plants under stress and were more efficient in utilizing water for the production of grain. The higher fertility was exhibited through appropriate fertilizer levels which in-turn increased the water use efficiency and compensated water deficiency. Thus, it is recommended that crop coefficient and fertility levels should be identified for obtaining maximum water use efficiency and yield targets.
  F.C. Oad , A. Naqi Shah , G.H. Jamro and H.A. Samo
  The field trial was conducted to determine the effect of NP doses on the overall performance of canola at Student’s Experimental Farm, Sindh Agriculture University Tandojam, Pakistan. Two varieties (Shirallee and Wester) and six NP levels (Control, 56-28, 84-42, 112-56, 140-70 and 164-84 kg NP ha–1) were tested. The results revealed that branches, siliqua number, seeds in siliqua, seed index and seed yield were significantly affected by varieties and fertilizer doses and also all the traits increased significantly with the increasing NP levels. Variety Shirallee proved high yielding as compared to Wester. The application of 164-84 and 140-70 kg NP ha–1 produced maximum seed yield than rest of the NP doses.
  F.C. Oad , S.K. Agha , G.H. Jamro and G.S. Solangi
  The qualitative and quantative survey of weeds in wheat crop at Student’s Experimental Farm, Malir Farm, Latif Farm and the Experimental Filed of Wheat Research Institute Tandojam, Pakistan was conducted. The results revealed that twenty six weed species were found infesting the wheat crop. Most dense populated as well as most frequently occurring weed was Jhil (Chenopodium album). Its frequency and density were 30 and 13.53% respectively at various experimental fields of Tandojam, Pakistan.
  F.C. Oad , A. Naqi Shah , G.H. Jamro and S.H. Ghaloo
  A field experiment was conducted to assess the growth and yield performance of mungbean (Vigna radiata) varieties under various phosphorus and potash levels at Student’s Experimental Farm, Sindh Agriculture University, Tandojam. Four mungbean varieties viz. AEM/25, AEM-6/20, NM-20/21 and AEM-10/2/87 were tested. Most of the agronomic traits of mungbean varieties were significantly influenced by phosphorus and potassium fertilizers except pod number, seed weight per plant and seed index were non-significant. However, 100-100 PK kg ha‾1 showed an increase in the yield of the crop. Thus, it is recommended that the mungbean crop should be fertilized with phosphorus and potassium at the level of 100-100 PK kg ha‾1 for achieving satisfactory seed yield.
  S.K. Agha , Z.H. Malik , M. Hatam and G.H. Jamro
  Experiment was conducted at Agriculture University Peshawar, Pakistan to study the effect of seed storage containers on the emergence and healthy seedling of soybean (cv. Lee) under field conditions. The treatments were cloth bags, plastic bags, gunny bags, pitchers, tin cans, pods and refrigerator. Each treatment was replicated three times in randomized complete block design. Data revealed that field emergence was significantly different for sampling dates as well as storage containers. Seed emergence was greater in early sowing crop and seed stored in pods and refrigerator respectively. Further data demonstrated that storage containers were significantly affected the percentage of healthy seedlings. The seed stored in pods and refrigerators had 51.6 and 52.8% healthy seedlings respectively.
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