A high-efficiency cultivation method for asparagus based on soil improvement and stage-by-stage topdressing

By combining three-layer, three-effect composite targeted soil improvement with staged topdressing and microbial agents, the problems of soil compaction and nutrient imbalance in asparagus cultivation have been solved, achieving efficient growth and high yield of asparagus, which is suitable for large-scale industrial application.

CN122162660APending Publication Date: 2026-06-09INNER MONGOLIA XIUYIZHIJU AGRICULTURAL DEVELOPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INNER MONGOLIA XIUYIZHIJU AGRICULTURAL DEVELOPMENT CO LTD
Filing Date
2026-04-28
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing asparagus cultivation techniques suffer from insufficient soil porosity and poor aggregate structure. The lack of scientific and targeted topdressing in different stages leads to soil compaction, salinization, and nutrient imbalance, affecting root growth and yield. Furthermore, the failure to effectively combine soil improvement with topdressing results in low asparagus yield and uneven quality.

Method used

A three-layer, three-effect composite targeted soil improvement model is adopted, which combines staged topdressing and microbial agents. The improvement materials are applied in layers to activate the soil microbial community. Combined with four-stage targeted topdressing and micro-drip irrigation or shallow furrow topdressing, the nutrient supply of asparagus at different growth stages is optimized, along with water management and soil maintenance measures.

Benefits of technology

It improves the root growth environment of asparagus, enhances the plant's resistance to adverse conditions and nutrient utilization, increases yield and quality, and reduces cultivation and management costs, making it suitable for large-scale industrial application.

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Abstract

This invention belongs to the field of asparagus cultivation technology and discloses a high-efficiency asparagus cultivation method based on soil improvement and staged topdressing. It adopts a three-layer, three-effect composite targeted soil improvement model, applying suitable improvement materials according to the functional differences of the deep, sub-tillage, and tillage root systems of asparagus. This activates the soil microbial community, replenishes nutrients for storage roots, and promotes the germination of absorbing roots. The improved soil physicochemical indicators are adapted to the growth needs of asparagus roots. Simultaneously, the seedling substrate and soil improvement scheme are synergistically matched, shortening the transplanting recovery time and improving seedling survival rate. A four-stage targeted staged topdressing strategy is implemented, combined with a recovery-targeted fertilization strategy. Staged topdressing aligns with the nutrient patterns of the asparagus's growth cycle, including the initial and peak production stages. Micro-drip irrigation or shallow furrow application methods are used to avoid damaging storage roots, and the fertilizer amount can be dynamically adjusted according to harvest conditions. During the recovery period, fertilizer is applied twice in small amounts, combined with foliar spraying to maintain the rhizosphere microecological balance.
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