A method to improve the oil yield of *Xanthoceras sorbifolium* seeds grown in arid and saline-alkali land.

By using a specific ratio of N-P2O5-K2O fertilizer and synergist in saline-alkali soils in arid and semi-arid regions, the problem of low oil yield from *Xanthoceras sorbifolium* seeds was solved, and a significant increase in oil yield was achieved.

CN122296188APending Publication Date: 2026-06-30DRYLAND AGRI INST GANSU ACADEMY OF AGRI SCI
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Patent Information

Application Number
CN202610420808.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-01
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In saline-alkali soils in arid and semi-arid regions, existing technologies have not yet been able to effectively increase the oil yield of *Sapindus mukorossi* kernels.

Method used

A specific ratio of N-P2O5-K2O fertilizer, combined with urea phosphate, polyacrylamide, and boron fertilizer, is used to prepare an synergist for application in the planting of *Xanthoceras sorbifolium*. The synergist consists of boric acid, borax, or sodium octaborate, and a masking agent. With appropriate row spacing and soil conditions, the oil yield of *Xanthoceras sorbifolium* kernels is improved.

Benefits of technology

It significantly improves the oil yield of *Xanthoceras sorbifolium* kernels, adapts to drought, saline-alkali and high pH environments, slows water loss, improves plant growth conditions, and enhances oil yield.

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Abstract

This invention relates to a method for improving the oil yield of *Xanthoceras sorbifolium* seeds planted in arid saline-alkali land. The planting row spacing of *Xanthoceras sorbifolium* is 2-3m x 2-4m. The method is characterized by using a fertilizer with an N-P₂O₅-K₂O ratio of 23-31:8-12:6-10. The saline-alkali land is defined as soil with a salt content of 0.2-1% in the top 0-20cm layer and a pH of 7.5-8.5. This application can improve the oil yield of *Xanthoceras sorbifolium* seeds in saline-alkali land.
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