Onion (Allium cepa L.) is a major foreign-exchange-earning horticultural crop in India. However, its shallow root system and high NPK requirement make conventional soil-based fertilisation inefficient, particularly under water-scarce dryland conditions. Water-smart approaches suc...
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Research Article10.9734/ajsspn/2026/v12i4769
A pot experiment was conducted using a split-plot design with four replications to determine the optimal Nitrogen (N) and Zinc (Zn) levels for maximizing nutrient uptake, recovery efficiency, agronomic use efficiency, milling quality, and grain Zn concentration in rice. The main...
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Research Article10.9734/ajsspn/2026/v12i4767
Biochar has moved from a broadly promoted soil amendment to a material that is deliberately engineered for defined agronomic and climatic functions. This transition, described here as a shift towards designer biochars, raises questions that the earlier literature was not designed...
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Research Article10.9734/ajsspn/2026/v12i4764
Background: Cluster bean (Cyamopsis tetragonoloba (L.) Taub.) is a multipurpose, drought-tolerant legume valued for its vegetable, feed and industrial uses, particularly for guar gum production. Considerable variability exists among cluster bean germplasm for growth, yield and qu...
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Research Article10.9734/ajsspn/2026/v12i4765
Tomato productivity under protected cultivation depends greatly on balanced nutrient management, as intensive growth and fruit production require an adequate and sustained supply of essential nutrients. Integrating organic manures with inorganic fertilisers may improve nutrient a...
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Research Article10.9734/ajsspn/2026/v12i4763
Diospyros lotus Linn. is a multipurpose tree species widely used as a rootstock for Japanese persimmon, but its propagation is constrained by poor and erratic seed germination. The present study assessed variability among three seed sources—Kishtwar (T₁), Bhaderwah (T₂), and Poon...
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Research Article10.9734/ajsspn/2026/v12i4761
The present investigation entitled Evaluation of Different Nutrient Management Practices for Enhancing Growth and Yield of Chickpea (Cicer arietinum L.) was conducted at the Vikrant Agriculture Research & Development Centre, Sakatpura, Vikrant University, Gwalior (Madhya Prad...
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Research Article10.9734/ajsspn/2026/v12i4762
A two-year field experiment was conducted during the 2022 and 2023 kharif seasons at Rajendrapur Farm, College of Agriculture, Navsari Agricultural University, Waghai, The Dangs, Gujarat, India, to evaluate the effects of solid and liquid organic nutrient sources on soil properti...
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Research Article10.9734/ajsspn/2026/v12i4760
Sreypich Sinh, Broney Yen, Ruben Puga-Freitas, Ratha Muon, Kimchhin Sok, Anne Repellin, Vannak Ann, Nachy Ly, Nicolas Bottinelli & Pascal Jouquet·Asian Journal of Soil Science and Plant Nutrition·2026
Rice paddies host semiaquatic earthworms whose distribution and effects on crop performance remain insufficiently understood. This study examined the abundance and casting activity of Glyphidrilus sp. at the Chrey Bak long-term observatory in Cambodia and evaluated their relation...
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Research Article10.9734/ajsspn/2026/v12i3758
Declining soil fertility and soil acidity are major limitations to sustainable crop production in the Kenyan highlands, where Nitisols are intensively cultivated for maize production. Excessive exchangeable acidity, particularly in the form of aluminium and hydrogen ions, can res...
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Research Article10.9734/ajsspn/2026/v12i3759
Habitat manipulation was evaluated during the rabi seasons of 2021–22 and 2022–23 to determine its influence on pest incidence, natural-enemy abundance, yield, and economics in cabbage (Brassica oleracea var. capitata L.). Six treatments comprising combinations of cabbage with mu...
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Research Article10.9734/ajsspn/2026/v12i3757
Lentil (Lens culinaris Medik.) is an important pulse crop in eastern India, but productivity remains below attainable potential where improved varieties and recommended production technologies are not fully adopted. This study assessed the long-term performance of Front Line Demo...
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Research Article10.9734/ajsspn/2026/v12i3756
Indigenous fermented biological formulations are increasingly used in natural, organic and low-external-input farming, particularly in South Asia. Preparations such as Jeevamrit, Ghanjeevamrit, Beejamrit and Panchagavya contain complex mixtures of microorganisms, organic substrat...
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Research Article10.9734/ajsspn/2026/v12i3755
A field experiment was conducted at the Regional Agricultural Research Station, Nandyal, Andhra Pradesh, during the kharif season of 2025 to evaluate nutrient management interventions for sustainable maize production under rainfed Vertisols. The experiment was laid out in a Rando...
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Research Article10.9734/ajsspn/2026/v12i3753
Onion productivity is strongly influenced by nitrogen management, particularly the timing and frequency of fertiliser application. Splitting urea applications may improve nitrogen availability during crop growth, thereby supporting bulb yield, quality, and nitrogen-use efficiency...
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Research Article10.9734/ajsspn/2026/v12i3754