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Articles by M.H. Siddiqui
Total Records ( 7 ) for M.H. Siddiqui
  R.G. Kakar , M.Yasinzai , A.U. Salarzai , F.C. Oad and M.H. Siddiqui
  Study was conducted to examine quality, distribution of nutrients and heavy metals in sewage water used for irrigation in and around of Quetta city, Pakistan. Water samples were collected from three main sewage drains (Habib nala, Ispini and Sabzal Road). Collected water samples were analyzed for EC, SAR, RSC, Cl-, SO4++, Ca++ + Mg++, Na+, K+, P, Fe++, Mn, Zn, Cu, Pb and Ni. Results revealed that the EC was 9.96 ds m-1 for Ispini road drain. and overall range of SAR were 33.50 Habib nala, 19.16 Subzal road and 18.21 for Ispini road. The pH of sewage water varied from 7.24 to 9.21. The concentration of essential nutrients (macro+ micro) and toxic metals varied greatly in samples between locations. The concentration of P and K+ was high (1.18 ppm and 0.81 me L-1) in Habib nala than Ispini and Subzal road sewage drain. The concentration of micro nutrients (Fe++, Mn, Zn, Cu) were with permissible limits. With respect to toxic metals, Pb was generally greater (0.12ppm) in Ispini road drain compared with (0.05-0.08 ppm) in other sewage drains. The minimum and maximum Ni (0.09 and 0.18 ppm) was found in Ispini and Subzal road drain.
  G.L. Oad , F.C. Oad , A.A. Bhand and M.H. Siddiqui
  The field study was conducted at Rice Research Institute, Dokri, Larkana, Pakistan to assess the potential deep water rice cultivar. Five cultivars: Kanwal-95, IR-8, DR-82, IR-6 and DR-58 were screened. Kanwal-95 exhibited prolonged flowering and maturity days by recording elongated plants, more tillers and grain yield followed by IR-8 and IR-6 rice cultivars. The rest of cultivars were almost non-significant in growth and yield parameters. The study recommends Kanwal-95 as potential deep water rice cultivar in terms of elongation and grain yield.
  G.L. Oad , F.C. Oad , A.A. Bhand and M.H. Siddiqui
  The experiment was conducted at Rice research Institute, Dorki, Larkana, Pakistan to evaluate the growth and yield performance of various aromatic strains. The various varieties and crosses were Lateefy, Jajai-77, D. Basmati x Lateefy, IR-8 x Jajai-77 and Bas.-370 x Jajai-77. It was observed that aromatic varieties and their crosses initiated flowering between 73 and 105 days. Among the tested strains, Lateefy, Bas.-370 x Jajai and IR-8 x Jajai-77 recorded minimum (73-77) days to flowering, followed by D. Basmati x Lateefy which took 80 days to flowering. The aromatic rice variety Jajai-77 recorded prolonged (105) flowering days. Maturity days and plant height of the strains also followed the similar pattern, where Jajai-77 showed prolonged maturity days and attained taller plants and recognized as taller or semi dwarf as compared to other rest of varieties and crosses. The grain yields of Lateefy followed by IR-8 x Jajai-77 and D. Basmati x Lateefy were significantly higher than rest of cultivars and crosses. It was concluded that Lateefy aromatic rice had better adoptability in the region by producing satisfactory grain yield.
  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.
  M.H. Siddiqui and F.C. Oad
  The field research was conducted to evaluate the appropriate nitrogen levels for growth, seed yield and relationship of plant characters of safflower at Students Farm, Sindh Agriculture University, Tandojam, Pakistan. Nitrogen levels tested were; 0, 30, 60, 80, 120, 150 and 180 kg ha-1. The experiment was conducted in three-replicated Randomized Complete Block Design.The results revealed that all the crop parameters were affected significantly due to different levels of nitrogen. The performance of safflower (cv. Pawari-95) was significantly promising under nitrogen level of 120 kg ha-1 which produced significantly (p<0.01) greater branches (7.33), heavy seed index (38.66 g) and better seed yield (-694.66 kg ha-1) whereas, prolonged maturity days (172), tall plants (165.66 cm), more capsules (45.33) were recorded in the plots treated with 180 kg N ha-1. All the crop parameters were also positively associated w ith the seed yield. Thus, 120 kg N ha-1 was considered as the optimum level for getting maximum seed yield of safflower, further increase in N levels remained uneconomical by producing adverse effects on all crop parameters. It is recommended that safflower crop may be fertilized at the rate of 120 kg N ha-1 where satisfactory seed yield could be achieved.
  F.C. Oad , M.H. Siddiqui and U.A. Buriro
  The field experiment was conducted to evaluate the agronomic and economic interference between cotton and pigeon pea at Students Farm, Sindh Agriculture University Tandojam, Pakistan. The intercropping pigeon pea with cotton showed adverse effects on all the growth and yield contributing parameters of cotton. In pigeon pea, the taller plants (300 cm), greater number of branches (12.33 plant-1), remarkably higher pods (223.66 plant-1), heavy seed index (103.33 g) and maximum seed yield (2182.33 kg ha-1) were observed in sole cropping system. In cotton, maximum plant height (164.00 cm), more production of bolls plant-1 (26.33), higher number of branches plant-1 (37.33), greater bolls plant-1 (16.66) and satisfactory seed cotton yield (2271 kg ha-1) were recorded when cotton was sown as sole crop. The agronomic parameters ob both intercrops decreased as compared to sole crops. The economic analysis indicated that cotton sole crop on an average recorded cost of production Rs. 31098 ha-1 against Rs. 26000 ha-1 intercropping of cotton with pigeon pea. The physical productivity study includes the total seed cotton yield of cotton as a sole crop and the total yield of cotton from intercropping with pigeon pea. The cotton sole crop yielded 2271.00 kg ha-1 and cotton intercropping with pigeon pea yielded 1120.00 kg ha-1. According to average per hectare revenue, productivity of cotton sole Rs. 56775.00 and intercropping cotton with pigeon pea Rs. 28000 ha-1. The cotton sole crop on average recorded net returns at the rate of Rs.25677 ha-1 whereas, cotton with pigeon pea intercropping exhibited the net returns at the rate of Rs. 2000 ha-1, which was very low due to adverse affect of pigeon pea intercropping with cotton. In this study input output ratio were determined to examine economic efficiency of both cotton sole and cotton intercropping with pigeon pea. The results derived from the above analysis reveal that growing cotton sole crop earned input output ratios at the proportion of 1:87 whereas, cotton intercropping with pigeon pea had input output ratio at the proportion 1:07. It was concluded that cotton-pigeon pea intercropping has adverse effects on each other, therefore the crops should be sown as sole crops.
  M.H. Siddiqui , F.C. Oad , A.M. Kumbhar and U.A. Buriro
  An experiment was conducted at Students Farm, Sindh Agriculture University, Tandojam, Pakistan to assess the NP requirement (0-0, 50-25, 75-37.5 and 100-50 NP kg ha-1) for soybean varieties (Bossier and Pelican). The highly significant differences for varieties and fertilizer combinations for plant height, index and seed yield per hectare were observed. Whereas, non-significant differences were recorded under number of pods per plant. The variety Pelican under 100-50 kg NP ha-1 produced taller plants (66. 25 cm) and more number of pods (55.00 plant-1). However, the seed index (14.00 g) and seed yield (3007 kg ha-1) were superior in variety Bossier with the application of 75-37.5 kg NP ha-1.
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