Kentucky Certified Crop Advisor Practice Exam

Question: 1 / 400

If a tobacco field shows symptoms of manganese toxicity, what should a farmer do?

Apply foliar manganese

Disk up his plants and wait until next year

Apply extra nitrogen fertilizer to help plants out-grow this toxicity

Be sure to correct the soil pH before planting his tobacco next year

The correct action for a farmer facing symptoms of manganese toxicity in a tobacco field is to correct the soil pH before planting tobacco next year. Manganese toxicity is often associated with acidic soils, as low pH can increase the availability of manganese to plants, leading to toxic levels. By adjusting the soil pH to a more neutral range, the farmer can effectively mitigate the risk of manganese toxicity in future crops.

Correcting pH not only helps reduce the availability of excess manganese but also improves overall soil health, promoting optimal nutrient uptake and growth conditions for the tobacco plants. Soil amendments such as lime may be needed to raise the pH level, creating a more balanced soil environment for the next planting season. This proactive approach addresses the underlying issue rather than just treating the symptoms, ensuring a healthier crop yield in the future.

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