Recommended Application Rates of Humic Acid in Different Crops

Humic acid is a natural organic substance derived from the decomposition of plant and animal matter. It is widely used in agriculture to improve soil fertility, enhance nutrient availability, and promote plant growth. The application rates of humic acid can vary depending on the specific crop and soil conditions. Here are the recommended application rates for different crops:

1. Field Crops

Field crops such as corn, wheat, soybeans, and rice can benefit from the application of humic acid. The recommended application rate for these crops is typically between 10-20 liters per hectare. This rate can be adjusted based on the soil type, nutrient requirements, and crop stage.

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2. Fruits and Vegetables

Fruit and vegetable crops, including tomatoes, peppers, strawberries, and melons, can also benefit from the application of humic acid. The recommended application rate for these crops is generally between 5-10 liters per hectare. However, it is important to consider the specific nutrient needs and growth stages of each crop to determine the optimal application rate.

3. Tree Crops

Tree crops such as citrus, apple, avocado, and olive trees can greatly benefit from the application of humic acid. The recommended application rate for these crops is typically between 10-30 liters per hectare. It is important to consider the age and size of the trees, as well as the soil conditions, when determining the appropriate application rate.

4. Ornamental Plants

Humic acid can also be used to improve the growth and health of ornamental plants, including flowers, shrubs, and turfgrass. The recommended application rate for ornamental plants is generally between 5-15 liters per hectare. However, it is advisable to consult specific product labels or seek guidance from agricultural experts for precise application rates.

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5. Greenhouse Crops

In greenhouse production, humic acid can be applied to a variety of crops such as tomatoes, cucumbers, and lettuce. The recommended application rate for greenhouse crops is typically lower than that of field crops, ranging from 2-5 liters per hectare. However, it is important to consider the specific crop requirements, growth medium, and irrigation practices when determining the optimal application rate.

It is essential to note that these recommended application rates serve as general guidelines. Factors such as soil fertility, crop variety, climate, and management practices can influence the actual application rates. It is advisable to conduct soil tests and consult with agricultural experts to determine the most appropriate application rate for your specific crop and soil conditions.

See also How does humic acid influence the release and cycling of nutrients in soil?

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