Browsing Theses and Dissertations by Title
Now showing items 32-51 of 127
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Effect of ssupplementing ccowpea (Vigna ungulculata (L.) Walp) seed hulls and Commercial concentrate on productivity of weanling Boer goats grazing during the dry season at Mantshwabisl Government ranch in Kweneng District, Botswana
(Botswana University of Agriculture & Natural Resources, 2014-10)The study was carried out during the dry season between June and August of 2013 to evaluate chemical composition, in vitro dry matter digestibility (IVDMD), feed intake and performance by weanling Boer goats supplemented ... -
Effect of weaning age and sex on bone development and meat quality traits of pigs raised under intensive system and slaughtered at 70 kg body weight
(Botswana University of Agriculture & Natural Resources, 2014-06)Two studies were carried out to determine the effects of weaning age and sex on bone development and meat quality of pigs raised under intensive system. slaughtered at 70 kg body weight. A total of 24 piglets (12 males and ... -
Effects of a computer aided instructional method on pupils' performance in agriculture: A Quasi experimental study
(2014-08)The purpose of this study was to experimentally test the effectiveness of computer aided instructional methods (CAI) facilitated through the use of CD-ROM in teaching Agriculture subject contents to Kgafela Primary School ... -
The effects of drought on plant response in Northern Chehuahuan Desert rangelands
(New Mexico State University, 2001-08)Short term grazing trials were started in June 1992 and continued until 2000; The pastures were grazed in June and September each year except 1996, 1999 and 2000 because of drought. The trials were conducted at New Mexico ... -
Effects of irrigation regime on the growth of three warm season turfgrasses in southern, Botswana
(Botswana University of Agriculture & Natural Resources, 2022-01)Botswana is known for its unreliable rainfall, extended dry spells and heat. The combination of these factors puts great demand on water conservation strategies in turfgrass management. These strategies dictate that ... -
Effects of irrigation water type and nitrogen on growth, yield and nutrient partitioning of tomato. (Lycopersicon lycopersicum (L.) Karstern
(Botswana University of Agriculture & Natural Resources, 2014-09)A field experiment was conducted at the Botswana College of Agriculture (BCA) to evaluate the effects of irrigation water type and nitrogen on growth, yield and nutrient partitioning of tomato (Lycopersicon lycopersicum ... -
Effects of land cover land use change on soil organic carbon stocks in Greater Gaborone, Botswana.
(Botswana University of Agriculture & Natural Resources, 2022-12-17)Changes in Land cover land use (LCLU) have long been considered to be among the many factors responsible for the physical and chemical degradation of the soil. Soils are potentially a viable sink for atmospheric carbon and ... -
Effects of Land-use / Land Cover Changes on Flow and Sedimentation from the Metsimotlhabe River Catchment Using Soil and Water Assessment Tool (SWAT) Model
(Botswana University of Agriculture and Natural Resources, 2021-08)This study was undertaken to assess the effects of Metsimotlhabe River catchment Land-use / Land Cover dynamics (2006 and 2018) on the inflow and sedimentation into the Bokaa Reservoir using the SWAT model implemented as ... -
Effects of lucerne (medicago sativa) hay stems as a protein source in sorghum stover basal diet on the performance of Tswana lambs
(Botswana University of Agriculture & Natural Resources, 2021-07)The current study was designed to assess the performance, development of the reproductive and carcass parameters of Tswana lambs fed lucerne hay stems as a protein source in sorghum stover basal diet. This was achieved ... -
Effects of nitrogen and phosphorus fertilizers on growth, yield, and yield components of sorghum (Sorghum bicolor (L) Moench)
(Botswana University of Agriculture & Natural Resources, 2013-06)Greenhouse and Held experiments were conducted during the 2009 and 2010 growing seasons at Botswana College of Agriculture to evaluate the effect of different levels of nitrogen (N) and phosphorus (P) ... -
Effects of nitrogen and phosphorus nutrition on growth, yield, yield components and fruit quality of watermelon (Citrullus lanatus Thumb)
(Botswana University of Agriculture & Natural Resources, 2015-11)An experiment was conducted in the Botswana College of Agriculture, Notwane farm in Gaborone North to evaluate the effect of nitrogen and phosphorus on growth, yield, yield components and quality of watermelon (Citrullus ... -
Effects of nitrogen and phosphorus on growth, development, yield, and oil content of safflower (Carthamus tinctorius L.)
(Botswana University of Agriculture & Natural Resources, 2017-07)Safflower is a multipurpose crop grown for the orange-red dye that is obtained from its petals, medicinal properties, feed value and especially for its high quality oil (Dajue and Mondel. 1996; Dwivedi, 2005; Sirel and ... -
Effects of nutritionally-mediated increases in the plasma ammonia concentrations of donor ewes on the in vivo and subsequent in vitro development and metabolism of their embryos
(University of Aberdeen, 1994)A review of the literature indicated that high levels of protein in ruminant diets can lower fertility. Ammonia from proteins that are rapidly degraded by the rumen microbes has been suggested as the factor that may affect ... -
Effects of plant population on growth, development and oil yield of safflower (Carthamus tinctorious L.)
(Botswana University of Agriculture & Natural Resources, 2012-09)Two field trials were done in the winter of 2010 and summer of 2010/2011 to evaluate the effects of plant density. on the growth, development and yield of safflower. The results showed that plant density and season of ... -
Effects of planting date and genotypes on growth, development, yield, and oil content of safflower under irrigated conditions in semi-arid south-east Botswana
(Botswana University of Agriculture & Natural Resources, 2023-09-06)Safflower (Carthamus tinctorius L.) is an annual oil plant belonging to the Compositae or Asteracea family that can be grown as a summer or winter crop. One of the most important criteria for maximising safflower production ... -
Effects of safflower (Carthamus tinctorius L.) genotypes on growth, development, yield and yield components, and oil content and yield
(Botswana University of Agriculture & Natural Resources, 2018-09)Safflower (CarthamustinctoriusL.) is a multipurpose oil seed crop that is drought, heat, cold and saline tolerant, but minor and neglected despite its many uses. However, recently there is renewed interest in safflower ... -
Effects of site preparation for afforestation on soil properties and greenhouse gas emission
(The University of Edinburgh, 2009)Forest plantations in the UK are often established on seasonally waterlogged peaty gley soils which often require site preparation (drainage and mounding) to lower the water table and prepare planting positions. Substantial ... -
Effects of storage temperature and hot water treatment duration on chilling injury and quality of mango (Mangifera indica L.)
(Botswana University of Agriculture & Natural Resources, 2016-08)Low temperature storage is the most effective method of extending postharvest life and marketing period, and maintain fruit quality because it retards physiological processes such as respiration, ethylene production, ... -
Effects of storage temperature on postharvest quality of wild plum (Ximenia americana L.)
(Botswana University of Agriculture & Natural Resources, 2018-06)Wild plum (Ximenia americana L.) is a tropical crop widespread throughout the tropics of Africa, India and South East Asia to Australia, New Zealand, Pacific Islands, West Indies, Central and South America. Despite the ... -
Effects of urea or lime stone ammonium nitrate (LAN) on biomass yield and chemical composition of silage from pure stand and intercropped lablab, Tswana cowpea, millet and buffel grass in Botswana
(Botswana University of Agriculture & Natural Resources, 2018-12)This study investigated if Urea or LAN had any effect on biomass yield and chemical composition (Macro and micro mineral) of silage made from fodder crops of Lablab (Lablab purpureas), Tswana cowpea (Vigna unguiailata), ...