A systematic review on unmanned aerial vehicles in Sub-Saharan Africa: A socio-technical perspective

K Haula, E Agbozo - Technology in Society, 2020 - Elsevier
Abstract In recent times, Unmanned Aerial Vehicles (UAVs) popularly known as drone
technology have gradually gained widespread adoption all over the world. UAVs' relevance …

Measuring the dynamic photosynthome

EH Murchie, S Kefauver, JL Araus, O Muller… - Annals of …, 2018 - academic.oup.com
Background Photosynthesis underpins plant productivity and yet is notoriously sensitive to
small changes in environmental conditions, meaning that quantitation in nature across …

Corn grain yield estimation from vegetation indices, canopy cover, plant density, and a neural network using multispectral and RGB images acquired with unmanned …

H García-Martínez, H Flores-Magdaleno… - Agriculture, 2020 - mdpi.com
Corn yields vary spatially and temporally in the plots as a result of weather, altitude, variety,
plant density, available water, nutrients, and planting date; these are the main factors that …

Comparative UAV and field phenotyping to assess yield and nitrogen use efficiency in hybrid and conventional barley

SC Kefauver, R Vicente, O Vergara-Díaz… - Frontiers in Plant …, 2017 - frontiersin.org
With the commercialization and increasing availability of Unmanned Aerial Vehicles (UAVs)
multiple rotor copters have expanded rapidly in plant phenotyping studies with their ability to …

Can drones help smallholder farmers improve agriculture efficiencies and reduce food insecurity in Sub-Saharan Africa? Local perceptions from Malawi

C McCarthy, Y Nyoni, DJ Kachamba, LB Banda… - Agriculture, 2023 - mdpi.com
Smallholder farmers in sub-Saharan Africa play a vital role in achieving food security and
nutrition, yet they are often overlooked by development policies and lack access to the …

Applying RGB-and thermal-based vegetation indices from UAVs for high-throughput field phenotyping of drought tolerance in forage grasses

T De Swaef, WH Maes, J Aper, J Baert, M Cougnon… - Remote Sensing, 2021 - mdpi.com
The persistence and productivity of forage grasses, important sources for feed production,
are threatened by climate change-induced drought. Breeding programs are in search of new …

Low-cost assessment of grain yield in durum wheat using RGB images

JA Fernandez-Gallego, SC Kefauver, T Vatter… - European Journal of …, 2019 - Elsevier
The pattern of photosynthetic area of the canopy throughout the crop cycle is an important
factor for determining grain yield in wheat. This work proposes the use of zenithal RGB …

Evaluating maize genotype performance under low nitrogen conditions using RGB UAV phenotyping techniques

ML Buchaillot, A Gracia-Romero, O Vergara-Diaz… - Sensors, 2019 - mdpi.com
Maize is the most cultivated cereal in Africa in terms of land area and production, but low soil
nitrogen availability often constrains yields. Developing new maize varieties with high and …

Peanut leaf wilting estimation from RGB color indices and logistic models

S Sarkar, AF Ramsey, AB Cazenave… - Frontiers in plant …, 2021 - frontiersin.org
Peanut (Arachis hypogaea L.) is an important crop for United States agriculture and
worldwide. Low soil moisture is a major constraint for production in all peanut growing …

Exploration of alternative approaches to phenotyping of late leaf spot and groundnut rosette virus disease for groundnut breeding

I Chapu, DK Okello, RCO Okello, TL Odong… - Frontiers in Plant …, 2022 - frontiersin.org
Late leaf spot (LLS), caused by Nothopassalora personata (Berk. & MA Curt.), and
groundnut rosette disease (GRD),[caused by groundnut rosette virus (GRV)], represent the …