What is a consequence of spring tillage in medium and fine textured soils?

Study for the CCA Ontario Crop Management Exam. Prepare with multiple-choice questions; each provides hints and explanations. Ensure your readiness for the exam!

Spring tillage in medium and fine textured soils can lead to the creation of a lumpy seed bed that is prone to drying. This occurs because the physical manipulation of the soil can disrupt its structure. When tillage is conducted in the spring, especially when the soil is wet or when it has not yet dried sufficiently from previous moisture, the soil tends to clump together unevenly rather than breaking down into finer particles. These clumps or lumps can create pockets of air that lead to uneven moisture distribution.

When the soil dries out, these lumpy areas can dry more rapidly than finer-textured, well-structured soil, leading to potential issues with seed germination and root establishment. A lumpy seed bed can also create challenges for machinery during planting, potentially affecting planting depth and the uniformity of seed placement. The soil's water holding capacity can be diminished in lumpy areas, resulting in less available moisture for the germinating seeds, which is crucial for successful crop establishment.

In contrast, improved seedling emergence, increased weed competition, and enhanced moisture retention are not direct consequences of spring tillage in these soil types when they are not properly managed. Improved seedling emergence is typically associated with good seed bed preparation rather than lumpiness. Increased

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