Table · dataset · 2026
Table 1_Calcium and potassium fertilization improves productivity and forage quality with implications for soil available potassium in Opuntia ficus-indica under hot arid condition.docx
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Background<p>Climate change and increasing aridification have intensified the need for nutrient management strategies that sustain productivity while preserving soil fertility in dryland production systems.
Description
Opuntia ficus-indica, a drought-tolerant multipurpose crop, has gained importance in arid regions, yet information on the combined effects of calcium (Ca) and potassium (K) fertilization remains limited.</p>Methods<p>A one-season field experiment was conducted under the hot arid conditions of Kutch, India, using a 4 × 4 factorial randomized block design with four replications.
Four Ca (0, 20, 40, and 60 kg ha<sup>−1</sup>) and four K (0, 30, 60, and 90 kg ha<sup>−1</sup>) application rates were evaluated for their effects on plant growth, forage yield and quality, fertilizer-use efficiency, and post-harvest changes in soil available K.</p>Results<p>Calcium and potassium fertilization significantly improved plant growth, cladode production, biomass yield, and forage quality (P< 0.05). The combined application of 40 kg Ca ha<sup>−1</sup> and 60 kg K ha<sup>−1</sup> produced among the highest fresh and dry biomass yields while increasing crude protein concentration and reducing fiber fractions compared with the unfertilized control.
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Fertilizer-use efficiency declined with increasing nutrient application rates. Greater forage productivity was associated with larger changes in soil available K after harvest, indicating the need for careful K management in perennial cactus production systems.</p>Conclusion<p>Calcium and potassium fertilization improved productivity and forage quality with implications for post-harvest soil available K. These findings indicate that fertilizer recommendations for O. ficus-indica should integrate forage productivity with fertilizer-use efficiency and post-harvest soil nutrient dynamics to support nutrient management under hot arid conditions.</p>
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Where it is published
- DOI doi.org/10.3389/fsoil.2026.1950553.s004 ↗
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Catalogue records · 1
- OAI-PMH record api.figshare.com/v2/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Af… ↗
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Topics
- From keywords
- Astronomy & Astrophysics · Chemistry · Computer Science & AI · Earth & Environmental Science · Economics & Finance · Engineering · Humanities · Life Sciences · Medicine & Health · Ocean & Atmospheric Science · Social Science
- Inferred from text
- Agriculture, land and farm management 72% · Tabular 65%
Provenance · 1 source records, 18 field assertions
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