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Articles by S.K. Agha
Total Records ( 7 ) for S.K. Agha
  F.C. Oad , U.A. Buriro and S.K. Agha
  The field experiment was conducted at Students’ Experimental Farm, Sindh Agriculture University Tandojam, Pakistan to assess the maize growth and fodder yield under varying combinations of organic manure (Farm Yard Manure (FYM) at the rate of 1500, 3000 and 4500 kg ha-1) and inorganic fertilizers (0, 60, 90, 120 and 150 kg N ha-1). The results revealed that all the maize plant parameters were significantly affected with the incorporation of FYM and nitrogen levels. Among the plant characters, tall plants, maximum stem girth, more green leaves and highest maize fodder yield were observed with the application of 120 kg N ha-1 with combination of 3000 FYM. It was concluded that the inorganic nitrogen application is the common practice of the farmers, but if, farmyard manure will be supplemented there may be significant increase in maize fodder yield.
  U.A. Burio , F.C. Oad and S.K. Agha
  The field experiment was conducted at Student’s Experimental Farm, Sindh Agriculture University, Tandojam to observe the correlation coefficient values of growth and yield traits of Kiran-95 wheat variety under different nitrogen levels and placements. Three nitrogen levels (80, 120 and 150 kg ha-1) were incorporated through broadcast, band application, pop-up and foliar application. It was observed that a unit increase in wheat grain yield was positively associated with plant height (r = 0.431), productive tillers (r = 0.419), spike length (r = 0.757), grains spike-1 (r = 0.860), seed index (r = 0.878) and harvesting index (r = 0.949). However, the grain yield showed non-significant and negative association with flowering days (r = -0.146) and maturity days (r = -0.054). It was concluded that correlation coefficient values should be determined for observing the degree of relationship of plant traits with yield to ensure that these parameters significantly contribute or not and positive contributing traits must be treated under intensive care to achieve yield targets.
  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.
  Z.H. Maik , Ir. A.M. van Lieshout , S.K. Agha and G.M. Channar
  The rapid growth of population has put a severe strain on soil and water resources in developing countries. Due to lack of proper planning and the shortage in extension service in the agricultural sector, where the major part of water supply is needed, farmers compete in searching for water resources. Thus in this water competition arena, where water is needed for agriculture, industrial, domestic and other needs, irrigation water management is very essential. The irrigation water management is very complex in especially for vast regions, such as Indus Basin 16 million ha wide. Therefore, in addition to present traditional methods of water management, new modern techniques also required to solve the problems for the river basins. As compared to traditional methods, the management practice of irrigated agricultural land by GIS and remote sensing techniques has evident advantage as objectivity, time-saving, low costs and a lot of auxiliary information can be obtained at the same time. GIS/RS techniques are used to monitor Irrigated Agriculture for southern part of Indus (Sindh Province). The screen digitizing method is used to digitize map of Sindh Province. The NDVI is estimated from NOAA-AVHRR satellite data for both kharif and rabi seasons, the agriculture and non-agriculture areas are identified. This will certainly lead to know the uses of water for agriculture and non-agricultural ecosystem in river basins and also proper allocation/distribution of water at different growing stages.
  U.A. Buriro , F.C. Oad , S.K. Agha and G.S. Solangi
  The experiment was carried at Student’s Experimental Farm, Sindh Agriculture University Tandojam, Pakistan on post emergence weed control in wheat. It was noted that most of the weeds present in wheat were broad leaved weeds, whereas narrow leaved grasses and sedges were in small number. With the application of herbicides though the number of weeds of all species decreased but in most of the cases their intensity increased. All the growth, yield and yield parameters increased with the application of herbicides as compared to un-weeded plots. The additional yield (49.98%) was exhibited with the application of Topik 240WP at 250 g ha‾1 herbicide followed by Arelon 50 dispersion at 0.75 l ha‾1, which increased 43.74% grain yield. It is concluded that weeds reduce the economic yield by competing for nutrients, light and moisture. The cost and maintenance of cultivation are increased and soil fertility is degraded due to weed problem. Thus, it is prime important to control weeds and an increase in the yield up to 50% or more can be achieved.
  S.K. Agha and C. Marshall
  In this study, the response of ramet 4 (a young, newly rooted ramet) to rooting in media of different nutrient levels, and the effect of such local treatment on the growth of older and younger parts of the clone was investigated under green-house conditions. The response was also compared to clones where R4 remained unrooted. The results clearly indicated that there was a very localized response to nutrient supply, where the growth response was largely restricted to the ramet supplied with nutrients.
  S.K. Agha , Elizabeth A.C. Price and C. Marshall
  In this study, to examine the effect of single and multiple stresses applied to a single group of tiller ramet on their growth and development. The response of these treatments was measured at the level of the treated ramet and the entire clone. Ramet number, branch production and elongation, and biomass were recorded for the treated ramet and the extending main stolon. Overall the results showed that there was a very large effect of both stresses either drought with or without shade on both tiller production as well as dry weight of the localized tiller ramet and some how the other parts of the stolon.
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