The study is on the analysis of the input use efficiency of cocoa production among small scale farmers in Ondo State, Nigeria. The primary objective was to analyze the input use efficiency of cocoa production among small scale farmers in four Local Government Areas (LGAs) of Ondo...
Open access
Research Article10.9734/JAERI/2018/26814
Anthropogenic activities are progressively releasing pollutants to the soil, including heavy metals and other pollutants emanating from industries and overpopulated human settlements. Pollution by heavy metals and other physicochemical materials is gradually becoming an area of c...
Open access
Research Article10.9734/JAERI/2018/44994
A field fertilizer trial on groundnut (Arachis hypogaea L.) was conducted in 2014/2015 cropping season at the Crop Research Farm of the Department of Crop Science, University of Calabar, Calabar, Nigeria (04º 5’E and 07º 25’E., 37 meters above sea level) located in the coastal...
Open access
Research Article10.9734/JAERI/2018/36651
Aim: To evaluate the potentials of some legumes as in situ green manures or components of relay intercropping with direct-seeded upland rice, and to assess the effect of incorporating their biomass into the soil on residual soil properties. Study Design: The treatments were laid...
Open access
Research Article10.9734/JAERI/2018/45227
This study was conducted in wanzaye natural forest, South Gondar, Ethiopia. The main objective of the study was to determine the species composition, diversity and vegetation structure analysis of wanzaye natural forest. A total of 75 quadrants or plots were used. Each sample plo...
Open access
Research Article10.9734/JAERI/2018/44922
The vegetative and reproductive phenology of 17 overstorey and 10 understorey species were studied in the Takamanda National Park in Cameroon. Phenological observations; leaf initial, maturation, abscission, flush (vegetative), while flower initiation, maturation, dropping and fr...
Open access
Research Article10.9734/JAERI/2018/45175
Aims: The aim of this study was to determine the status of restricted-range bird species of East African coastal biome, particularly within the Southern coastal forests of Kenya and as a proxy of the conservation value of the current existing fragmented forests. Study Design: Eco...
Open access
Research Article10.9734/JAERI/2018/44835
Aims: This study is based on the use of the FAO AquaCrop model to determine the amount of water needed to improve corn yields in Northern Cameroon. Study Design: The regions of Garoua (9˚18'N - 13˚24' E), Kaélé (10˚05'44"N - 14˚26'37"E) and Maroua (10˚35'N - 14˚19’E) were conside...
Open access
Research Article10.9734/JAERI/2018/44993
Soil phosphorus (P) toxicity in tuber production is a significant issue and to solve this problem and have optimum tuber yield at a lesser cost of P-fertilization, knowledge in depth on the dynamics of phosphorus release in sandy loamy soil is necessary. Therefore, the present wo...
Open access
Research Article10.9734/JAERI/2018/15004
Fish is a highly perishable product and major causes of spoilage are autolysis, bacterial decomposition and oxidative rancidity in fatty fishes. One of the cheapest form of fish preservation is smoking. Although deteriorative changes occur after smoking, the need to further freez...
Open access
Research Article10.9734/JAERI/2018/16228
Vitamin C is a micronutrient necessary for the proper functioning of fish body. It is needed for absorption of ions and nutrients and its deficiency in fish is evident mostly by structural deformities such as curvature of the spine, broken skull and hemorrhage. It is therefore im...
Open access
Research Article10.9734/JAERI/2018/15528
Feeding of fish with artemia involves a lot of financial investment and it is therefore essential to source for a cheap and yet adequate source of production of life food for fish. This research compares the effects of different organic manures on zooplankton production in cultur...
Open access
Research Article10.9734/JAERI/2018/14397
Survey of insects on sweet potato, Ipomoea batatas (Lam) was conducted in Southern Nigeria during two cultivation periods within a season, March-July and August-December, to identify key pests and beneficial species that can be exploited in future biocontrol programmes. The reco...
Open access
Research Article10.9734/JAERI/2018/44189
A pot experiment was conducted to investigate the effect of vermicompost and chemical fertiliser on the growth of yield and nutrient content of Ipomoea aquatic and Basella alba during the period of 14th May to 13th July, 2013. The experiment was laid to fit a completely randomize...
Open access
Research Article10.9734/JAERI/2018/44997
The fish diversity of River Fete, Benue State, Nigeria was investigated monthly between January to December, 2016 to determine its status, management strategies as well as providing a base line data for monitoring anthropogenic changes prompted by human induced factors and river...
Open access
Research Article10.9734/JAERI/2018/35971