Agricultural Technology | Digging, digging, digging in the soil—how can we effectively address soil compaction?

Release Date:

2023-05-12

Soil compaction It refers to a compact layer formed in soil by clay particles when the soil dries or becomes compacted, impeding the movement of water, gases, and root penetration. Soil compaction typically leads to soil consolidation, poor drainage, and root hypoxia, thereby adversely affecting crop growth and development.

A common problem faced by many farmers is soil compaction and declining fertility. To improve soil structure, many have tried various approaches, such as applying soil‑loosening agents and fertility enhancers, yet none have yielded significant results. Even when some methods provide temporary relief, the soil inevitably hardens again.

First, we need to understand one fundamental principle: why does the soil in which crops are grown become hard and compacted? And why do crops fail to grow well?

This is because the humus and beneficial microorganisms in the soil gradually decline, leading to soil compaction. The soil’s aggregate structure depends on microbial activity, yet microbes themselves rely on humus for reproduction and survival. Without humus, where would the microbes come from? This creates a vicious cycle, causing soil quality to deteriorate further and further.

The level of humus in the soil is a key indicator of soil quality, as humus not only contains abundant nutrients but also provides essential substrates for the survival and activity of beneficial microorganisms—both of which are indispensable for the growth and development of crop root systems.

01 Tilling the land

To improve soil structure, many farmers till their fields in spring or autumn. This process typically involves turning over the soil to maintain its vitality; otherwise, the soil can easily become compacted and lose its fertility. Therefore, tillage is one of the essential steps for enhancing soil structure.

02 Increase the application of humus.

To improve soil structure, you can apply organic matter before tilling. Common sources of organic matter include cow and horse manure, rice husks, dry leaves, crop residues, peanut shells, and spent mushroom substrates, among others. These materials can be mixed into the soil and, as they decompose, they form high‑quality humus—much like the humus found in forests, where fallen leaves, weeds, and other plant debris gradually break down to create fertile soil.

03 Use potassium humate derived from mineral sources.

Potassium humate from mineral sources It can enhance soil aggregate structure, loosen the soil, and improve its aeration, facilitating both vertical and lateral root growth while rapidly addressing soil compaction. Additionally, potassium humate derived from mineral sources promotes soil microbial activity, increases soil organic matter content, and boosts soil fertility and water-holding capacity, thereby enhancing crop yield and quality.

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Agricultural Technology | Digging, digging, digging in the soil—how can we effectively address soil compaction?

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