[PDF][PDF] Evaluation and geospatial analysis of variability in maize yield response to fertilizer (NPK) using modeling in ghana
KKA Kouame, PS Bindraban, IN Kissiedu, WK Atakora… - 2021 - ifdc.org
… the highly variable and complex smallholder farming systems, which calls for … maize yield
response variability will be assessed using data from on-farm and on-station trials through …
response variability will be assessed using data from on-farm and on-station trials through …
Soil tillage, residue management and site interactions affecting nitrogen use efficiency in maize and cotton in the Sudan Savanna of Africa
… drive farm incomes and economic growth. West African agriculture consists mainly of subsistence
smallholder farmers who contribute to food security through the … (CHN model EA 1108). …
smallholder farmers who contribute to food security through the … (CHN model EA 1108). …
[HTML][HTML] A soil tool kit to evaluate soil properties and monitor soil health changes in smallholder farming contexts
B Nyamasoka-Magonziwa, SJ Vanek, JO Ojiem… - Geoderma, 2020 - Elsevier
… in maize cropping systems would result in residual soil fertility … a model selection approach
to explore which soil properties … Peruvian soils (n = 115): a) Tool kit soil pH vs. lab assessed …
to explore which soil properties … Peruvian soils (n = 115): a) Tool kit soil pH vs. lab assessed …
[HTML][HTML] Calibration and validation of the EPIC model for maize production in the Eastern Cape, South Africa
DJ Choruma, J Balkovic, ON Odume - Agronomy, 2019 - mdpi.com
… Farm in the Eastern Cape, the objectives of this study were to: (a) calibrate the EPIC model
for maize yield simulation using field-… , leaf area index, and nitrogen content in grain, were not …
for maize yield simulation using field-… , leaf area index, and nitrogen content in grain, were not …
How much control do smallholder maize farmers have over yield?
… model to simulate smallholder maize (Zea mays) yield at the district-level in Zambia and
quantify the percent of yield variance (effect size) attributed to soil, … the spatial pattern of median …
quantify the percent of yield variance (effect size) attributed to soil, … the spatial pattern of median …
Developing sustainable summer maize production for smallholder farmers in the North China Plain: An agronomic diagnosis method
GF Chen, HZ Cao, DD Chen, LB Zhang… - Journal of Integrative …, 2019 - Elsevier
… The amounts of total N2O emission, NO3 leaching and NH3 volatilization per hectare were
estimated using empirical models with N applied rate rather than measured directly (eqs. (2)–(…
estimated using empirical models with N applied rate rather than measured directly (eqs. (2)–(…
Spatial variability of vertisols nutrients in the Deccan plateau region of north Karnataka, India
V Tamburi, A Shetty, S Shrihari - Environment, Development and …, 2021 - Springer
… Using the best fit model, surface maps are generated using … generate maps of the spatial
distribution of soil nutrients. The … small-scale farmers regarding soil health status of their fields. …
distribution of soil nutrients. The … small-scale farmers regarding soil health status of their fields. …
Modelling the location and spatial pattern of a crop boom. A case study from Laos
C Ornetsmüller, JC Castella, P Thanichanon… - … Science & Policy, 2019 - Elsevier
… where smallholders recently engaged in a boom of hybrid maize … Using a spatial land use
model like a laboratory, we aim to … a boom of hybrid maize cultivation by smallholder farmers in …
model like a laboratory, we aim to … a boom of hybrid maize cultivation by smallholder farmers in …
[HTML][HTML] Spatial variation in fertilizer prices in Sub-Saharan Africa
… commonly used source of inorganic nitrogen. In addition to the … We build predictive models
of the spatial price index using … for observed variation in smallholder fertilizer use in Sub-…
of the spatial price index using … for observed variation in smallholder fertilizer use in Sub-…
Environmental factors determining weed species distribution in organic manure and inorganic fertiliser smallholder maize (Zea mays L.) production
… The study set out to evaluate environmental factors determining weed species distribution
in organic manure and inorganic fertiliser application by smallholder maize farmers. The …
in organic manure and inorganic fertiliser application by smallholder maize farmers. The …