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| Soils with a high pH are alkaline. To lower pH, add sulfur into the soil surrounding the existing plants or into new planting beds. |
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| A low pH means the soil is too acidic. To higher the pH you should add limestone to the soil and then mix it well. |
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This is a common problem in the soil. You are supposed to use synthetic or natural nitrogen rich fertilizers according to the rate suggested by the manufacturer. |
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High nitrogen levels are usually the result of soils that have been over-fertilized. Water the soil well and stop adding fertilizer for several months.
STimulates algea growth, eutrophication. and massive fish kills. |
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| Mix superphosphate or bone meal into your garden soil, making sure to mix these amendments into the soil thoroughly. |
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This problem is usually caused by too much high-phosphate fertilizer. Do not use phosphorous-rich fertilizer for two years, and grow an abundance of plants to use up the excess.
High levels in groundwater can be dangerous to human health. |
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| Work in potash or wood ashes. Avoid using wood ashes around acid-loving plants because these are alkaline and may diminish the growth of the plants. |
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Add nitrogen and phosphorous to help balance the soil, but do not add potassium-rich fertilizers or soil amendments for two to three years.
No known ill effects |
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| Heavy clay soil tends to drain poorly. Thoroughly mix in peat moss, compost or other organic materials to help loosen the soil. |
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| Sandy soil drains too quickly to hold necessary nutrients. Add organic materials to remedy soil that drains too quickly, just as you would for poor drainage conditions. |
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