Working Document Series Open Access Effects of chicken and cattle manure on wheat production and soil properties in the high terrace and Karu soils in River Nile State in the Sudan Hassan Khalid Ali · Ali Alkhazin Ali Yousif This study was conducted at Hudeiba Research farm on karu and high terrace soils for two consecutive seasons (2008/09 and 2009/10). Organic manures are traditionally used for supplying plant nutrients. Eight different fertilizer combinatio… RUF-34343 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Soil microbial biomass changes with application of organic and inorganic in acid soil of Embu County, Central highlands of Kenya B.O. Danga · J.N. Mugwe · B. Verde Most studies are focused on fertiliser either organic or inorganic to improve soil fertility, health and crop yields in most of the farming systems worldwide. Although organic and inorganic soil fertility improvements impact indirectly on … RUF-34133 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Interactive effect of goat manure, phosphate fertiliser and lime on soil fertility in Embu County, Kenya B.O. Danga · J. Mugwe · B. Verde Nutrient mining resulting from crop uptake and erosion; and soil acidity which makes plant nutrients less available through different means such as phosphorus fixation and impairment of biological mediated processes in the soil. A study wa… RUF-34126 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Effect of organic and urea nitrogen fertilisers on soil properties and maize yield in highlands of Rwanda B.O. Danga · C. Karemangingo · O. Tuyishime Continuous cropping without nutrient restitution under smallholder farms in Rwanda has led to serious nutrient depletion and reduced maize (Zea mays) yields. This is further exacerbated by low soil organic matter and soil erosion. The smal… RUF-34122 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Conservation Agriculture effects on earthworm populations in Western Kenya and Eastern Uganda soils D. Ashilenje · W. N’getich · J. Norton · U. Norton +7 more Conventional cultivation in Western Kenya and Eastern Uganda over the years has resulted into decline in soil quality and food crop production. Studying soil biodiversity under Conservation Agriculture production systems (CAPS) will help u… RUF-34089 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Conservation agriculture I: Effects of legume crop species on ground cover, soil moisture retention, weed suppression and litter fall on maize yield in Swaziland D. M. Bhekizizwe · O. T. Edje The reintroduction of conservation agriculture in Swaziland required information on crop species that could provide ground cover, suppress weeds and conserve soil moisture. A field experiment was conducted at the Malkerns Research Station … RUF-33903 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Speargrass as a Soil Fertility Indicator along a Deforestation Chronosquence A.K. Amoding · M. Karuhanga-Beraho · S. Kiconco · K. Senkosi +1 more This study estimated the time taken for speargrass (Imperata cylindrica) to occur on arable fields along a deforestation chronosquence; established the effect of burning on soil properties and determined the reliability of speargrass as a … RUF-32750 2012 CC BY 4.0 18 May 2014
