The study was carried out to determine the effect of organic and inorganic fertilizers on tomato yield and soil quality. The study was performed in a randomized complete block design consisting of 7 treatments with 3 replications in the research farm, Shaikh Zayed University, Kh...
Open access
Research Article10.9734/ajsspn/2021/v7i430117
This study aimed at evaluating phosphorus (P) sorption capacities in Soils overlying basement complex Rock (A), Alluvium (B), coastal plain sand (C) and Imo shale (C) parent materials. Completely randomized design was used to collect soil samples from 5 depths in 3 replications f...
Open access
Research Article10.9734/ajsspn/2021/v7i330116
Nitrogen is one of the most deficient plant nutrients in Bangladesh soils. The use nitrogenous fertilizer especially urea is a commonly used fertilizer for rice production but its efficiency very low about 30-40% under traditional broadcast method A field experiment was carried o...
Open access
Research Article10.9734/ajsspn/2021/v7i330114
This study was undertaken in two distinct ecological zones of Edo state of Nigeria to determine the effects of N:P:K ratios applied to the soils on the availability of N, P, K and on yield of maize. The sites used were Rubber Research Institute of Nigeria (RRIN) Iyanomo (Rain for...
Open access
Research Article10.9734/ajsspn/2021/v7i330115
Arbuscular mycorrhizal (AM) fungi occur over a wide range of agro climatic conditions and are geographically ubiquitous. Arbuscular mycorrhizal fungi are the medium of soil structure, they determine the flow of water, nutrients, and air, directs the pathways of root growth, and o...
Open access
Research Article10.9734/ajsspn/2021/v7i330113
Aims: A study was carried out in the field aims to study the response of a calcareous soil cultivated by soybean to the application of K-silicate (K-Si), K-humate (K-H), and compost at application rates 50% and 100% of the recommended dose. Study Design: Complete randomized block...
Open access
Research Article10.9734/ajsspn/2021/v7i330112
Soil-plant–microbes relations within the plant rhizosphere are the determinants of plant and soil health, which is important for soil ecological environment for plant-microbe interactions. Plant growth-promoting rhizobacteria (PGPR) are considered to encourage plant growth and de...
Open access
Research Article10.9734/ajsspn/2021/v7i230110
An experiment was conducted during two seasons 2018/2019 and 2019/2020, cultivated with soybean, at farm Ismailia Governorate, Egypt. The aim of this study was to evaluate the effect of two treatments (potassium humate and compost tea) at different rates of (0, 2, 4 and 6 ml/L wa...
Open access
Research Article10.9734/ajsspn/2021/v7i230109
Micronutrient deficiency can be considered as one of the yield "quantity and quality" limiting factor in arid calcareous lands and can be considered as the troubling component of hunger. Therefore, enriching food products through adding nutrients to a food product or through incr...
Open access
Research Article10.9734/ajsspn/2021/v7i230108
In order to assess the suitability of soils for rubber cultivation in the departments of Man and Toumodi, two new rubber-growing areas, a study was carried out to evaluate the physical, physico-chemical and chemical characteristics of soils under rubber trees (Hevea brasiliensis)...
Open access
Research Article10.9734/ajsspn/2021/v7i230107