Background: Sandy loam soils are generally low in organic matter and have poor water and nutrient retention, which limits crop productivity. Soil amendments such as hydrogel, humic acid, and biochar are increasingly used to improve soil quality and enhance plant growth. However,...
Open access
Research Article10.9734/ijpss/2026/v38i66120
Wetland ecosystems of Kerala play a crucial role in sustaining rice production, yet their productivity is increasingly constrained by poor soil fertility and adverse physicochemical properties. Understanding nutrient dynamics and the impact of soil amendments in distinct agroecol...
Open access
Research Article10.9734/ijpss/2026/v38i46055
Humic acid (HA) is an important fraction of humic substances and plays a significant role in promoting plant growth and productivity. A pot culture experiment was conducted to evaluate the effects of compost-derived HA on the growth, root characteristics and yield of okra (Abelmo...
Open access
Research Article10.9734/ajsspn/2026/v12i4772
Soil acidity coupled with iron toxicity is an important limiting factor for growing rice in coastal soils. A field experiment was conducted to evaluate the effectiveness of non conventional sources of calcium for the management of soil acidity and improvement of nutrient availabi...
Open access
Research Article10.9734/ajsspn/2026/v12i2691
Potassium (K) deficiency is a major constrain in the highly weathered and leached laterite soils of Kerala developed under humid tropics which limit the release of readily available K. Soil samples were collected from ten representative locations of northern laterites to understa...
Open access
Research Article10.9734/ajsspn/2026/v12i1661
Soil acidity is a major constraint limiting nutrient availability and rice productivity in the coastal sandy soils of Kerala. A field experiment was conducted during the first crop season of 2023 at Thaikadappuram, Kasaragod, Kerala, to evaluate the effectiveness of different soi...
Open access
Research Article10.9734/ijpss/2026/v38i56095
Coconut biomass waste is a sustainable resource used for industrial, agricultural and household applications. Based on the concept of diversified use and value addition of coconut biomass waste, the coconut shell, wood, leaf and husk were collected, powdered and incorporated in g...
Open access
Research Article10.9734/ijpss/2026/v38i25983
Drought is a complex and recurring hydroclimatic hazard that affects agricultural production, water resources, ecosystems and socioeconomic development. Effective drought assessment requires approaches capable of capturing its spatial and temporal variability and its multiple dim...
Open access
Research Article10.9734/jgeesi/2026/v30i91123
An integrated nutrient stick, a solid, compact fertilizer formulation is designed to supply essential plant nutrients in a slow and controlled manner. It is prepared in the form of a stick and placed directly into the soil near the plant root zone, where it gradually dissolves an...
Open access
Research Article10.9734/ajsspn/2026/v12i1660