Nitrogen (N) is an essential macro nutrient for plant growth and development. Plants absorb nitrogen in either ammonium (NH4+) or nitrate (NO3-) forms, which influence plant growth and absorption of nutrients in higher plants. The aim of the study was to determine the influence o...
Open access
Research Article10.9734/JAERI/2017/30907
The last decade in Nigeria saw useful scientific contributions in biomonitoring different environmental matrices and understanding their health indices, however with scanty toxicological evidences, especially their oxidative stress response and oxygen affinity. The present study...
Open access
Research Article10.9734/JAERI/2017/31568
How plant species are distributed in a given ecosystem is important for ecologists and conservationists because tropical forests are very diverse. This makes the question of what determines species commonness and rarity more interesting. This paper aims to assess the environmenta...
Open access
Research Article10.9734/JAERI/2017/30953
Scarcity of fodder is the major limiting factor for increasing livestock production in Kenya. With rising energy costs and declining water levels in the semi-arid tropics and sub-tropics, crops that use less water like finger millet could become an alternate fodder crop. The fodd...
Open access
Research Article10.9734/JAERI/2017/31120
The orchid species, Neottia cordata and Goodyera repens found in large parts of Europe and North America, but rarely found in the Netherlands. Hence, the Forestry Services of Netherlands is working to preserve these endangered orchid species by maintaining the current forest stru...
Open access
Research Article10.9734/JAERI/2017/30488
Aims: To determine the effect of protein supplementation to Ankole x Friesian crossbred calves grazing natural pastures on their growth performance, and the economic viability of supplementation. Study Design: Randomized Complete Block Design. Place and Duration of Study: Kiruhur...
Open access
Research Article10.9734/JAERI/2017/30366
We investigated the effect of fire on understory plant species density in University of Port Harcourt Biodiversity Centre four months after fire incident. This is aimed at the knowing the ability of the forest to recover from bush fire. Twenty four (4 m x 4 m) plots (14 burnt and...
Open access
Research Article10.9734/JAERI/2017/31647
A survey was conducted to determine the effects of farming activities on the population of three sympatric species of guenons in Afi Mountain Wildlife Sanctuary (AMWS), Cross River State, Nigeria. Line transect method was adapted to determine the status and population density of...
Open access
Research Article10.9734/JAERI/2017/30524
Soil quality index can be determined by assessing the physical, chemical and biological properties of the soil. When large datasets are used, redundant information is obtained very often. Therefore, principal component analysis (PCA) is a multivariate method that allows the reduc...
Open access
Research Article10.9734/JAERI/2017/31346
Although the Coastal region of Kenya is awash with abundance of moisture bearing South Easterly monsoons, (and therefore tropical rainfall) from the adjacent vast Indian Ocean, heat stress, high velocity wind regimes are major factors limiting crop productivity in the region. Occ...
Open access
Research Article10.9734/JAERI/2017/29611
Introduction: Under intensive fish culture of Tilapia, there appears to be susceptible various environmental stressors. Stress factors normally reduce growth and damage the biological system of the fish resulting in a great economic loss. Aims: The study aimed at elucidating effe...
Open access
Research Article10.9734/JAERI/2017/29133
Ghanaian farmers have been practicing farming since time immemorial and trees are a normal component of farmlands. However, the choice of particular tree species and their population on the farms is greatly influenced by the farmers’ preferences and therefore, the utility value p...
Open access
Research Article10.9734/JAERI/2017/31186
The objective of this paper was to assess the influence of single standing shade trees in cocoa agroforestry systems on soil moisture and light availability for cocoa in the dry seasons and how these environmental factors affect potential pod yields of cocoa. The research was con...
Open access
Research Article10.9734/JAERI/2017/31227
In cotton and cereals production systems, one of the most important causes of soil fertility depletion is the inappropriate crop residues management. Aims: To improve the productivity and soil fertility, crop residues management (CRM) and fertilization effects on soil chemical pr...
Open access
Research Article10.9734/JAERI/2017/31178
Salicylic acid (SA), an endogenous plant growth regulator has been found to generate a wide range of metabolic and physiological responses in plants thereby affecting their growth and development. Broccoli plant was grown under saline condition with foliar application of SA as al...
Open access
Research Article10.9734/JAERI/2017/30142