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108 documents indexed

Evaluation of the soil fertility status in relation to crop nutritive quality in the selected physiographic units of Mbeya Region, Tanzania

N. Amuri · J.M. Anthony · L. Mhoro · B.M. Msanya +1 more

This study is assessing soil fertility status in Mbeya region of Tanzania in terms of adequacy for crop growth and crop nutrient status in terms of human nutrition. It will examine levels of macro and micronutrient. The study has just been…

RUF-34565 2010 CC BY 4.0 7 Sep 2015

Sustainable crop production using hairy vetch (Vicia villosa Roth) to enrich soil fertility and conserve soil moisture for maize cropping in smallholder farming systems in Zimbabwe

D. Chinamo · F Mapanda · M. Munyati · G. Nyamadzawo +2 more

Crop production in smallholder farming systems of Zimbabwe is limited by low inherent soil fertility, particularly N and P and available soil moisture. One of the major agricultural challenges in developing countries is the development of …

RUF-34466 2010 CC BY 4.0 21 Aug 2015

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

Response of introduced soybean varieties to inoculation with rhizobium in Sud Kivu province, Democratic Republic of Congo

A.A. Angelani · K.D. Bamuleke · B.J. Bashagaluke · B.L. Shukuru +1 more

Soybeans are a major source of protein; they contribute to combating malnutrition especially among children. They play very important roles in NRM because they contribute to biological nitrogen fixation through the inoculation with rhizobi…

RUF-34121 2014 CC BY 4.0 13 Aug 2015

Soil nitrate and nitrite in different soil profiles of Peri-Urban and horticultural farm soils of Gaborone as indicators of nitrogen leaching.

T. Mpuisang · T. Mubyana-John · N. Pabalinga · F. Pule-Meulenberg

Soil nitrite (NO2-) and nitrate (NO3-) along the soil profile can be used as indicators of nitrogen loss by leaching. Preliminary studies have shown that excess usage of fertiliser is common amongst farmers who were aiming to increase crop…

RUF-34098 2014 CC BY 4.0 13 Aug 2015

Effect of organic and inorganic sources of nitrogen on growth, seed yield and oil content of sunflower grown in highly weathered soils in Morogoro - Tanzania

G. Chemining’wa · J. Kinama · I.A. Mwahija · A. Nyambilila

Sunflower contributes about 40% of total national cooking oil requirement, ranking as one of the most important cooking oil with very high nutritional value in Tanzania. However, its production per unit area ranges between 800 to 1100 kg/h…

RUF-34044 2014 CC BY 4.0 12 Aug 2015

Does long-term low-rate organic and inorganic nitrogen management guarantee maize yield under semi-arid conditions of eastern Kenya?

M. Oscar Kisaka · F.S. Mairura · M.W. Mucheru-Muna · D.N. Mugendi +2 more

Drier parts of Embu County endure high atmospheric heat, prolonged dry spells, declining soil fertility and erratic rainfall. Integrated soil fertility management (ISFM) technologies have been developed, and tested, with standardized appli…

RUF-33948 2014 CC BY 4.0 11 Aug 2015

Journal articles Open Access
Using APSIM-model as a decision-support-tool for long-term integrated-nitrogen-management and maize productivity under semi-arid conditions in Kenya

M. Oscar Kisaka · F.S. Mairura · M.W. Mucheru-Muna · D.N. Mugendi +3 more

There is continued decline in per capita agricultural productivity in the drier parts of Kenya’s central highlands. The declines have been linked to low and declining soil fertility, soil water, high atmospheric heat, prolonged dry-spells …

RUF-33784 2015 CC BY 4.0 28 Jul 2015