Cultivation Strategies for Dry Conditions

With harvest well underway and soil conditions varying across regions, timely and targeted cultivation is proving essential for successful crop establishment. In dry years especially, the right approach can make a significant difference in managing weed pressure and preserving soil structure. Don’t forget the wet autumn we had last year either (Figure 1), the weather can change rapidly as know.

Figure 1. Total Rainfall in England in 2023/24 and 2025, compared with the 25-year average. 

Timely Cultivation for Weed Control

Early cultivation plays a key role in suppressing competitive weeds such as brome and blackgrass. By disturbing the soil ahead of drilling, growers can encourage a flush of weeds that can be controlled before sowing the next crop. This pre-emptive strategy helps reduce weed burden and improves seedbed conditions for autumn drilling.

It’s also important to note that attention to detail should be ensured on tyre pressures when tractors go from roadwork (i.e. grain carting) to any cultivations. Different tyres work at different pressures, but for cultivation work, tyre pressures should be lowered significantly to promote minimal soil compaction where possible.

Moisture Retention and Soil Structure

In dry soils, maintaining moisture is critical. For example, Defra and NIAB TAG reports suggest that for the most reliable and optimal OSR establishment, volumetric soil moisture should be between 25-28%. Shallow cultivation can help retain surface moisture by breaking up crusts and improving infiltration. However, it’s important not to confuse dry soil with compaction—over-cultivating can exacerbate moisture loss and damage soil structure at deeper depths.

Key considerations include:

• Avoid repeated cultivation at the same depth to prevent the formation of a cultivation pan.
• Don’t overwork the seedbed—minimal disturbance can be more effective in dry conditions.
• Tailor machine setup and depth to field-specific needs, especially where shallow infiltration or deeper compaction is suspected.
• Drought reduces water infiltration when rains do arrive, increasing run-off risks

Experience-Led Decision Making

Field observations and past experience remain invaluable. In dry years, subsoil compaction can be more persistent and harder to correct, while surface crusting may be mistaken for deeper issues. Understanding the difference is crucial for choosing the right cultivation depth and method.

Ultimately, the goal is to balance soil moisture conservation with effective weed control and seedbed preparation—ensuring crops get the best possible start in challenging conditions.