2014
DOI: 10.1016/j.cropro.2014.09.001
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Assessment of the relationship between soil properties, Striga hermonthica infestation and the on-farm yields of maize in the dry Savannas of Nigeria

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Cited by 37 publications
(37 citation statements)
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“…In northeast Nigeria, over 85% of the fields planted to maize and sorghum were infested with Striga [7]. Field studies conducted in northern Nigeria showed that Striga incidence range from 0% to 100% in farmers' maize fields [8].…”
Section: Introductionmentioning
confidence: 99%
“…In northeast Nigeria, over 85% of the fields planted to maize and sorghum were infested with Striga [7]. Field studies conducted in northern Nigeria showed that Striga incidence range from 0% to 100% in farmers' maize fields [8].…”
Section: Introductionmentioning
confidence: 99%
“…Grain yield of maize in Nigeria over the last several decades has been hovering at 2 tonnes per hectare (t ha -1 ) (FAOSTAT, 2018b), which is far less than the yield of about 7 t ha -1 observed in well-managed field experiments (Fakorede, 2003; Sileshi et al, 2010). One of the plausible reasons for the huge maize yield gap in Nigeria, as in other many countries in Sub-Saharan Africa, is poor soil fertility, the result of inherently low soil nutrient reserves as well as continuous cropping with inadequate nutrient replenishment (Manu et al, 1991; Ekeleme et al, 2014).…”
Section: Introductionmentioning
confidence: 99%
“…The low total C-contents (indicative of low organic matter content), total N and ECEC in the soils can be related to two factors; (i) inherently, the sandy nature of the parent material containing a low weatherable mineral reserve necessary for nutrient recharge and a small capacity for carbon storage, (ii) anthropogenically, through burning or complete removal of crop residues for livestock and other needs [56]. Many studies have reported low total C, total N and ECEC contents within the study area [9,13,14,57]. The moderate to high average exchangeable K contents in all the sites can be linked to the presence of an appreciable amount of K-bearing Feldspar minerals in the sand and silt fractions in the study area [58] and the residual effect of the historic K application from NPK fertilizer in the fields.…”
Section: Soil Characteristicsmentioning
confidence: 99%
“…Most Nigerian soils are highly weathered with low activity clays (such as kaolinite) which makes them more vulnerable to fertility degradation under continuous arable use with poor nutrient replenishment [10][11][12]. Deficiencies in soil primary macronutrients (particularly N, P and K) are widespread and have been reported in most parts of the country [9,[13][14][15]. In addition, deficiencies of S and some micronutrients have also been reported in some Nigerian savanna soils [16][17][18].…”
Section: Introductionmentioning
confidence: 99%
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