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Cited by 35 publications
(12 citation statements)
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“…Some errors related to the gap between the simulated and observed value are mainly due to the level of variability between plots. An experiment under on-farm conditions with various treatments over several cropping seasons may be enough complex for crop production estimation because of the involvement of several factors like pests; heterogeneity within the crop management intensity, e.g., plant density; various interacting nutrient stresses such as micronutrients (Folberth et al 2014;Voortman et al 2003); and the soil physical discontinuities with the consequence of a huge (Hoffmann et al 2017). Nevertheless, the evaluation of the simulation model is on a good level being used as a decision support tool to evaluate the impact of usual fertilizer input rates on farmers' fields.…”
Section: Model Calibration and Evaluation For Maize Cultivar Massongomentioning
confidence: 99%
“…Some errors related to the gap between the simulated and observed value are mainly due to the level of variability between plots. An experiment under on-farm conditions with various treatments over several cropping seasons may be enough complex for crop production estimation because of the involvement of several factors like pests; heterogeneity within the crop management intensity, e.g., plant density; various interacting nutrient stresses such as micronutrients (Folberth et al 2014;Voortman et al 2003); and the soil physical discontinuities with the consequence of a huge (Hoffmann et al 2017). Nevertheless, the evaluation of the simulation model is on a good level being used as a decision support tool to evaluate the impact of usual fertilizer input rates on farmers' fields.…”
Section: Model Calibration and Evaluation For Maize Cultivar Massongomentioning
confidence: 99%
“…The largest yield gap over the global scale was projected for Africa across the major cereal crops (Mueller et al, 2013). The recorded yield in Africa reaches only 20 percent of the attainable yield in contrast to 56 to 84 percent of the attainable yield in European, Asian and North American sites (Hoffmann et al, 2017). The outsized yield gap in Africa could be explained by larger level of biotic and abiotic stressors, poor crop management (water and nutrient management), cultivar selection and socioeconomic constrains (Audebert and Fofana, 2009;Fermont et al, 2009;Mueller et al, 2013;Verdoodt et al, 2006).…”
Section: The Yield Gap Of Maize In Africamentioning
confidence: 99%
“…The nitrogen application rate for maize is restricted from 0 to 30 kg N ha -1 over Africa which is much smaller than other regions of the world (Mueller et al, 2013). Introducing new cultivars and improving the plant nutritional status could also be possible options to close the maize yield gap in Africa (Hoffmann et al, 2017). Nitrogen limitation was the main limiting factor of maize yield and changing the phosphorus application rate had no significant impact on maize yield in Togo (Wopereis et al, 2006).…”
Section: The Possible Options To Close the Yield Gap Of Maize In Africamentioning
confidence: 99%
“…In SSA, rainfed agriculture is a major activity for the economy and food security [2]. However, large yield gaps [3] and total harvest losses among farmers [4] are still prevalent. Rainfed agriculture is challenged by climate change, specifically low and erratic rainfall [5].…”
Section: Introductionmentioning
confidence: 99%
“…Ongoing efforts address crop management challenges at different scales and provide recommendations [16][17][18][19][20]. However, there are reasons why efforts are not widely undertaken by farmers [3]. Among them is the fact that smallholder farmers-who occupy a large percent of cultivated land are limited by their ability to purchase the required inputs and adopt improved management options [21,22].…”
Section: Introductionmentioning
confidence: 99%