This research presents the effects of water stress on crop yield and water productivity of two local varieties of pepper (Capsicum spp.) under various drip irrigation regimes in Southwest Nigeria. Study Design: The study was conducted during the 2018 and 2019 cropping seasons at...
Open access
Research Article10.9734/jeai/2020/v42i830579
A small-scale maize harvester was designed and fabricated for developing countries and is composed of a harvester header, a chain conveyor, a drive power unit and a five-wheel tricycle. Fabrication of components was made and assembling of the devices on the tricycle was done. The...
Open access
Research Article10.9734/jeai/2020/v42i830580
Aims: To evaluate the cost-effectiveness of five control treatments (pesticides) for an Alternaria fungi variety in a citrus grove in Mexico. Study Design: Field applications of pesticides were used to combat an infestation of the Alternaria fungus. Place and Duration of the Stud...
Open access
Research Article10.9734/jeai/2020/v42i830578
Aim: Bambara groundnut compares favourably with cowpea in terms of nutritional and economic values. The crop is, however, characterised by variable and unpredictable yields. Recently, there has been growing interest in the potential of the crop to contribute to food security in t...
Open access
Research Article10.9734/jeai/2020/v42i830577
Teminalia superba is one of the species receiving priority under the on-going Forest Investment Programme in Ghana. A more comprehensive look at the response of the seeds to storage is therefore important for their use in afforestation, reforestation activities, breeding programm...
Open access
Research Article10.9734/jeai/2020/v42i830574
Aims: Ginger aromatic volatiles generally extracted and quantified by various laboratory techniques analysis and instruments. Possibility of few highly volatiles loss coupled with the formation of different compounds during various extraction process due to changes in the natural...
Open access
Research Article10.9734/jeai/2020/v42i830575
This study is aimed to evaluate the yield performance of 12 varieties of upland rice and to assess the agronomic traits that contribute to yield performance of these varieties. A 2-year field experiment was conducted in the Teaching and Research Farm of the Rivers State Universit...
Open access
Research Article10.9734/jeai/2020/v42i830573
Aims: The study determined the effect of soil fertility management (inorganic and organic N sources) and short term crop rotation (cereal – legumes cropping systems) on water use efficiency of wheat in high potential areas. Study Design: A randomized complete block design was use...
Open access
Research Article10.9734/jeai/2020/v42i830572
In this study we evaluated the effects of two different types of mulches (black mulch, silver/black) on weed control and yield in tomato (Solanum lycopersicum L.) production. Field studies were carried out during 2017-2018 and 2018-2019. The treatments consisted in the study were...
Open access
Research Article10.9734/jeai/2020/v42i830568
The root-knot nematode Meloidogyne javanica is one of the most important soil borne pathogen affecting Garden eggplant in Nigeria. The study was conducted in the Screen house of Department of Crop Protection, Modibbo Adama University of Technology in 2013 to evaluate the effect o...
Open access
Research Article10.9734/jeai/2020/v42i830569
The objective of this study was to investigate appropriate fertilization schemes to improve the production of maize and sorghum in the Sahel agroecological zone of Cameroon. The experiment was carried out in 2018 at IRAD (Institute of Agricultural Research for Development) Kismat...
Open access
Research Article10.9734/jeai/2020/v42i830570
Gongronema latifolium (Benth) commonly call ‘ Utasi”, or “Arokeke” in local Nigerian languages (Igbo and yoruba) names belongs to the family Asclepiadaceae is a neglected vegetable in Nigeria. The plant has high economic importance, the leaves, stem and roots are very useful for...
Open access
Research Article10.9734/jeai/2020/v42i830567
Maize has high yield potential due to its C4 metabolism and physiological characteristics; however, the excessive occurrence of weeds in maize field limits the full expression of the yield potential of this crop. Weeds constitute one of the major economically important problems f...
Open access
Research Article10.9734/jeai/2020/v42i830565
Aims: Bone meal and oyster shell are good source of calcium in the diet of livestock but they are expensive hence there is need to look for another source. Snail shell is rich in calcium and could be used to replace other sources of calcium hence the study was designed to determi...
Open access
Research Article10.9734/jeai/2020/v42i830564
Cowpea is a food legume very popular for its seeds and leaves in Côte d’Ivoire. This plant constitutes a significant source of financial income for vulnerable populations in rural areas. However, it production remains low in the growing areas because of the traditional practice o...
Open access
Research Article10.9734/jeai/2020/v42i830563