Digital soil mapping of nitrogen, phosphorus, potassium, organic carbon and their crop response thresholds in smallholder managed escarpments of Malawi

P Mponela, S Snapp, GB Villamor, L Tamene, QB Le… - Applied …, 2020 - Elsevier
In Africa, the need to have high resolution soil maps cannot be overstated as the continent
has over 33 million farmers owning less than 2 ha plots, who represent 80% of all farms and …

Soil carbon, nitrogen and phosphorus contents along a gradient of agricultural intensity in the Kilombero Valley, Tanzania

J Livsey, E Alavaisha, M Tumbo, SW Lyon, A Canale… - Land, 2020 - mdpi.com
The preservation of soils which provide many important services to society is a pressing
global issue. This is particularly the case in countries like Tanzania, which will experience …

Small scale digital soil mapping in Southeastern Kenya

A Mora-Vallejo, L Claessens, J Stoorvogel… - Catena, 2008 - Elsevier
Digital soil mapping techniques appear to be an interesting alternative for traditional soil
survey techniques. However, most applications deal with (semi-) detailed soil surveys where …

Analysis of spatial heterogeneity of soil physicochemical properties in Northern Malawi

J Nyengere, Y Okamoto, S Funakawa, H Shinjo - Geoderma Regional, 2023 - Elsevier
Topography and fertility management practices are critical when examining distribution of
spatial heterogeneity of soil properties. The study was carried out on a 52-ha land with …

Digital soil characteristics mapping for aiding site-specific management practices in the West Nile Delta, Egypt

MAE AbdelRahman, MM Metwaly - Discover Sustainability, 2023 - Springer
Soil survey system is the key word for sustainable soil use and management. This study
aimed to generate a digital soil mapping (DSM) using various spatial resolutions of freely …

[HTML][HTML] Assessing the condition and capability of soils in cocoa districts of Ghana using geovisualization

EK Doe, EM Attua, JA Dogbatse, BY Fosu-Mensah - Soil Security, 2022 - Elsevier
Improving agricultural soil conditions is essential for attaining global soil security against
land degradation. This requires the use of complex geospatial farm soil information, the …

Exploring the spatial variability of soil properties in an Alfisol soil catena

F Rosemary, SP Indraratne, R Weerasooriya, U Mishra - Catena, 2017 - Elsevier
Detailed digital soil maps showing the spatial heterogeneity of soil properties consistent with
the landscape are required for site-specific management of plant nutrients, land use …

Nitrogen efficiency by soil quality and management regimes on Malawi farms: Can fertilizer use remain profitable?

WJ Burke, TS Jayne, SS Snapp - World Development, 2022 - Elsevier
Maize is the primary economic and dietary staple crop for most poor farmers in Southern
Africa, yet low yields have persisted in the region for decades. Intensifying maize production …

Spatial soil information in South Africa: Situational analysis, limitations and challenges

G Paterson, D Turner, L Wiese, G Van Zijl… - South African Journal …, 2015 - scielo.org.za
Soil information is vital for a range of purposes; however, soils vary greatly over short
distances, making accurate soil data difficult to obtain. Soil surveys were first carried out in …

A methodology for digital soil mapping in poorly-accessible areas

AH Cambule, DG Rossiter, JJ Stoorvogel - Geoderma, 2013 - Elsevier
Effective soil management requires knowledge of the spatial patterns of soil variation within
the landscape to enable wise land use decisions. This is typically obtained through time …