Folorunso Mathew Akinseye

International Crops Research Institute for Semi Arid Tropics | ICRISAT · Global Research Program- Resilient Farm and Food Systems (RFFS)

Timely information on the onset of rain is essential for effectively adapting to climate variability and increasing the resilience of rain-fed systems. However, defining optimal sowing dates based on the onset of rain has been challenging. We compared and analyzed the West African Monsoon onset according to Raman's, modified Sivakumar's, Yamada's,...

Sorghum is an important cereal crop cultivated by smallholder farmers of Mali, contributing significantly to their food demand and security. The study evaluated different fertilization strategies that combined organic and inorganic fertilizer applications with three sorghum varieties. The experiments were conducted over three cropping seasons (2017...

In the context of climate change, the sowing date and cultivar choice can influence the productivity of sorghum, especially where production is constrained by low soil fertility and early terminal drought across the challenging agro-ecologies of northeastern Nigeria. Planting within an optimal sowing window to fit the cultivar's maturity length is...

APSIM-sorghum model was used to evaluate the impact of improved cropping systems under climate change in the mid-century(2040-2069) by applying both organic and inorganic fertilizers using a micro-dosing strategy on improved sorghum cultivars.

We used the CROPGRO-Soybean model to simulate the production potential of rainfed soybean in northeast Nigeria. Data from ten soybean experiments conducted under optimal conditions in 2016–2018 at Kano and Dambatta in the Sudan savanna (SS) agroecological zone were used to determine the cultivar coefficients and calibrate the model for the varietie...

Understanding the drivers of crop yields and variability is fundamental to closing yield gaps and ensuring global food security, especially in smallholder farming systems. This study identified the major socio-economic, soil and crop management factors contributing to sorghum yield variability and yield gaps in the sorghum belt of northern Nigeria....

Soybean production is limited by poor soil fertility and unstable rainfall due to climate variability in the Nigeria savannas. There is a decline in the amount and duration of rainfall as one moves from the south to north of the savanna zones. The use of adapted soybean varieties and optimum sowing windows are avenues to increase productivity in th...

The Decision Support System for Agricultural Technology Transfer (DSSAT) was used to quantify the impact of climate change on maize yield and the potential benefits of the use of drought-tolerant maize variety over non-drought tolerant variety in savanna ecological zones of Nigeria. Projections of maize yields were estimated for three locations rep...

The Agricultural Production Systems Simulator (APSIM) model was calibrated and validated and used to identify the optimum planting windows for two contrasting maize varieties for three agro-ecologies in the Nigeria savannas. The model was run for 11 planting windows starting from June 1 and repeated every 7 days until 16 August using long-term hist...

This paper assessed the application of the Agricultural Production Systems sIMulator (APSIM)–maize module as a decision support tool for optimizing nitrogen application to determine yield and net return of maize production under current agricultural practices in the Nigeria savannas. The model was calibrated for two maize varieties using data from...

Estimating crop yield prior to harvest using remote sensing techniques has proven to be successful. However, accuracy of estimation still varies across crops and landscapes. This study was conducted to examine the applicability of Sentinel-2B for estimating sorghum yield during the 2018 rainy season in three locations (Bebeji, Dawakin Kudu and R...

An experiment was conducted to examine the performance of pearl millet under different nitrogen (N) fertilizer rates in two locations in the semiarid zone of Nigeria. The objective was to evaluate the effects of different N rates on pearl millet yields, water- and nitrogen-use efficiency, and profitability. Grain yield increased by 23, 26, 32, 32,...

Smallholder farmers in sub‐Saharan Africa (SSA) currently grow rainfed maize with limited inputs including fertilizer. Climate change may exacerbate current production constraints. Crop models can help quantify the potential impact of climate change on maize yields, but a comprehensive multi‐model assessment of simulation accuracy and uncertainty i...

The Agricultural Production Systems simulator (APSIM) model was calibrated and evaluated using two improved sorghum varieties conducted in an experiment designed in a randomized complete block, 2014–2016 at two research stations in Nigeria. The results show that the model replicated the observed yield accounting for yield differences and variations...

Sorghum (Sorghum bicolor (L.) Moench) is an important food crop in Africa and is the fifth most important cereal crop grown in the world as well as the most important cereal food in the Northern states of Nigeria that cover the Sahelien, Sudanian and Guinea Savannah ecological zones. Sorghum is locally called guinea-corn or dawa, the most widely cu...

Pearl millet (Pennisetum glaucum L. R. Br.), known as gero/maiwa/dauro in Hausa language, is a robust, quick growing cereal grass with large stems and leaves which are tall and vigorous, with exceptional grain and fodder yielding potential. It is one of the most important dual-purpose crops and a staple for millions of people in arid and semi-arid...

Groundnut (Arachis hypogaea) is central to the financial and nutritional well-being of millions of farmers and consumers across North East Nigeria. Nutrition experts point out that groundnut provides over 30 essential nutrients and is an excellent source of niacin, fibre, and vitamin E. Rich in anti-oxidants, the crop is naturally free of trans fat...

Climate variability and change will have far reaching consequences for smallholder farmers in sub-Saharan Africa, the majority of whom depend on agriculture for their livelihoods. Crop modelling can help inform the improvement of agricultural productivity under future climate. This study applies the Agricultural Production Systems sIMulator (APSIM)...

A combination of local-scale climate and crop simulation model were used to investigate the impacts of change in temperature and rainfall on photoperiod insensitive sorghum in the Sudanian zone of Mali. In this study, the response of temperature and rainfall to yield patterns of photoperiod insensitive sorghum (Sorghum bicolor L. Moench) using the...

Recent security challenges have caused disruption in the Agricultural and economic livelihood of the people in northeastern states of Nigeria. However, owing to recent gains in insecurity and the resettlement of some displaced people agricultural activities have started coming back. A study was commissioned to assess the typology of farmers in the...

A combination of local-scale climate and crop simulation model were used to investigate the impacts of change in temperature and rainfall on photoperiod insensitive sorghum in the Sudanian zone of Mali. In this study, the response of temperature and rainfall to yield patterns of photoperiod insensitive sorghum (Sorghum bicolor L. Moench) using the...

In semi-arid Nigeria, sorghum production is regarded as a major cereal for food grain and fodder, predominantly grown under rainfed conditions. With a demand for sorghum outweighing its current production, there is a need to explore a wide range of sorghums adapted to contrasting production environments. In this study, we calibrated APSIM-Sorghum f...

Low planting densities and use of unimproved varieties contribute to the low yields of pearl millet (Pennisetum glaucum L.) in Nigeria. Field experiments were conducted during the 2013 and 2014 growing seasons, to evaluate the response of pearl millet varieties to varying plant hill population in semi-arid environments of Nigeria. Year, variety and...

Field trials were carried out in the Rainforest agroecological zone of Nigeria to assess the usefulness of the CERES-maize model as a decision support tool for optimizing growth and yield production of maize crop through varying application of organic manure as well as recommended NPK 20:10:10 fertilizer rate. The experiment was laid out in a Rando...

APSIM – maize model was validated with the experimental data on three maize cultivars (Sammaz 33, Sammaz 37 and Sammaz 27) sown on three different dates during 2015 wet season at the Institute for Agricultural Research Samaru Zaria Nigeria (Lat. 7R” 38’N, Long. 11R” 11’E Lat. 686m). For the testing efficiency of the model performance, R², RMSE and...

Nitrogen (N) is an essential nutrient for sorghum growth and development but often becomes limiting due to low availability and loss. The effects of N fertilization on water use efficiency (WUE) and physiological and yield traits of sorghum were investigated in two locations over two cropping seasons (2014 and 2015) in the Sudan Savanna zone of Nig...

Climate variability constitutes a major risk to agricultural production in West Africa drylands posing challenges to the livelihood of smallholder farmers. Sorghum crop, which displays a great diversity in growth, development and resource use efficiency has the potential to improve productivity of resilient farming system. However, to better unders...

Maize is one of the most important cereal crops in West Africa. Its production in Nigeria has been hindered by inconsistency in rainfall pattern and low fertility especially in Akure, Ondo State. Two experiments were conducted at the Teaching and Research Farm, Federal University of Technology, Akure (FUTA) in 2016 growing season (wet and dry seaso...

Three experiments were conducted at the Institute for Agricultural Research, Samaru Zaria research farm. The location has a semi-arid tropical climate with a mono-modal rainfall distribution, an average rainfall of 1011mm and mean annual temperature of 26.70C. Three different maize varieties;early, medium and late maturing (Sammaz 37,37 and 26 resp...

Climate change is expected to alter rainfall and temperature regimes across the world, Nigeria inclusive. Climate projections indicate warming and changes in rainfall varied from one location to another. This study pre sents a de scripti ve analysi s of rainfall and temperature in Akure, Nigeria for a period of 32-year (1980 to 2011) using monthly...

Better defining niches for the photoperiod sensitive sorghum (Sorghum bicolor L. Moench) varieties of West Africa into the local cropping system might help to improve the resilience of food production in the region. In particular, crop models are key tools to assess the growth and development of such varieties against climate and soil variability....

The agroecological zones (AEZ) of Mali fall within the semi-arid climate, the ability to determine efficiently or predict accurately the onset of growing season (OGS), and length of growing season (LGS) cannot be over-emphasized due to highly variable rainfall pattern and the dependence of smallholder farmers practising on rainfed farming agricultu...

Production of tomato (Lycopersicon esculentum) is severely affected during the peak of rainy seasons in Southwestern Nigeria leading to a decline in yield and fluctuation of prices. To study and identify the impacts of climate variability on phenological stages and yield components of tomato, tomato was cultivated in two separate peak rainy seasons...

Crop production in Sudano-Sahelian part of Nigeria is highly vulnerable to various challenges of climate variability, land degradation and desertification. This study investigates the impacts of climatic variability on major cereals crop (Maize, Millet and Sorghum) using Stepwise Multiple Regression Analysis (SMRA) as an index for the assessment. T...

This study investigates the variability in feed and water consumption in broiler birds during a typical hot weather condition in Akure, Nigeria. Feed and water consumption as well as air temperature and relative humidity were monitored and the relationship between them was analyzed. The results showed that the daily water and feeds consumption of t...

This study investigates the variability in feed and water consumption in broiler birds during a typical hot weather condition in Akure, Nigeria. Feed and water consumption as well as air temperature and relative humidity were monitored and the relationship between them was analyzed. The results showed that the daily water and feeds consumption of t...

Understanding of the influence of climate on agricultural production is needed to cope with expected changes in precipitation and temperature, and an increasing number of undernourished people in food unsecure regions. Climate and crop productivity are characterized by inter-annual variability. The common understanding is that the co-variation is i...