How to Change Soil pH to Correct Deficiencies

Soil pH is important when it comes to having a healthy garden, that’s why you need to know what the pH of the garden soil is, to know what to add to correct acidity or acidity. alkalinity.

How to Improve Clay or Sandy Soils

We have already talked about what acid and basic soil is in this article, but above all how we can measure the pH of our soil to know what type of soil we have, so we will go a little further and acquire other knowledge. Since the crops in our garden need a specific pH, so we need to know what pH our plants need.


basic floors

If, by doing tests, it turns out that our soil has a pH greater than 7, they have deficiencies in iron, zinc, copper, manganese. These are calcareous soils or also called basic soils. A soil that can cause us problems in some crops.

acid soils

On the other hand, if we analyze our soil and we obtain a pH lower than 7, it shows deficiencies in phosphorus, calcium, magnesium, molybdenum and boron. They are clayey and hard soils, soils that also with very high values ​​can make cultivation difficult for us, even if for others it would even be beneficial.

How to Correct Soil pH

Correcting the pH of the soil is not something simple, some materials that the soil lacks must be brought to balance them, but we must be careful because we can cause more problems than we have had. We recommend only changing the pH when the soil is very acidic or very alkaline and neither plants nor plants are growing. If this is not your case, it is better not to touch anything. On the other hand, it is important to know that correcting the soil is not a matter of short duration, but of gradually improving our soil.

Sonkir Soil pH Meter, 3 in 1, Soil Meter...

Sonkir Soil pH Meter, 3 in 1, Soil Meter…

  • NOTE: This soil tester cannot be applied to test the pH value of any other liquid. If the soil is too dry, the indicator will not move and water it before the test.
  • 3 IN 1 FUNCTION – Test soil moisture, PH value and sunshine level of plants with our soil tester, helping you specialize in inputting when you need to water your plant.
  • Accurate and Reliable: Dual-needle sensing technology greatly improves the speed and accuracy of soil moisture and pH acidity sensing and analysis.
  • Easy to Use: No batteries needed, just insert the sensor probe into the soil about 2-4 inches, toggle switch to test the moisture, pH, sunlight you want to measure.
  • INDOOR AND OUTDOOR USE – Lightweight and portable design, easy to carry for outdoor use, ideal soil test tool kit for home plants, garden, lawn and farm.

Amendments to correct acid soils

  • The most commonly used material for daubing is agricultural lime or calcite It is therefore easy to apply.
  • Quicklime can also be used (calcium oxide) or hydrated lime (calcium hydroxide), are two sources of rapid calcium supply to the soil but they are difficult and unpleasant to bring to the soil. Quicklime should not be mixed with water as it boils and can cause burns.
  • Dolomite: It also provides Magnesium. To know the correct dosage, it is better to look at the manufacturer’s recommendation, the texture of the soil and the pH since, for example, you should add 3 times more to clay soil than to sandy soil.
  • Egg shells: It can be crushed and applied to the surface.
  • Ash healthy and mostly untreated firewood.

improve acid soil

Amendments to correct alkaline soils

  • Sulfur: It decomposes slowly, you can add 0.5 to 1 kg per square meter and check every 6 months if the pH has dropped and if you want to add more.
  • iron sulphate : Acidifies the soil faster than sulfur, it is applied by irrigation at 2-4 grams per liter.
  • Organic material: It is rich in components that acidify the soil. It is usually thrown from 10,000 to 30,000 kg per hectare. It will also provide nutrients to your crops. Manure.
  • Blonde peat: Its pH is acidic so it would acidify.
  • Coffee : the composition of coffee in large quantities helps us to acidify the soil.

manure to correct soils

It is well mixed with the soil to a depth of 15 or 20 cm. Never mix with water when adding because some components can react and we must use protections such as gloves, glasses and a mask.

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how to change soil ph

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