What is the ideal soil pH range for many crops?

Prepare for the Illinois PAS Crop Specialist Test. Study using our comprehensive flashcards and multiple-choice questions, each with helpful hints and detailed explanations. Get ready to ace your exam!

The ideal soil pH range for many crops is typically between 6.0 and 7.0, which is considered neutral to slightly acidic. This range allows for optimal nutrient availability and microbial activity in the soil. Many essential nutrients become more available to plants in this pH range, promoting healthy growth and development.

While 5.5 to 6.5 is within the lower range of optimal pH for certain crops, it may not provide as wide a margin for nutrient availability as the broader 6.0 to 7.0 range. There are some crops that can thrive at slightly lower pH levels, but soils that are too acidic (below 6.0) can lead to deficiencies in calcium, magnesium, and other nutrients due to decreased solubility. Therefore, the understanding of soil pH’s impact on crop health highlights the importance of maintaining soil conditions within an optimal range for maximizing agricultural productivity.

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