When it comes to growing flowers and vegetables, you probably already know that the pH of the soil plays a big part in how well they grow. What you may not know is that all plants have a preferred pH range due to the plant’s specific nutrient needs. Of the 17 essential plant nutrients necessary for plant growth, 14 are obtained from the soil. The acidity or alkalinity of the soil determines whether the nutrients your specific plant needs are readily available for absorption.
Soil pH is a measure of the acidity or alkalinity of the soil. The scores range from 0 to 14, with 7 being neutral. Results between 0 and 7 indicate the soil is acidic, while results between 7 and 14 mean the soil is alkaline. pH values between 6.0 and 6.8 are ideal for medicinal plants. Because plant nutrients must dissolve in water to become accessible to plants, and because the nutrients dissolve at different pH levels, matching the nutrient needs of the plant to those available in the soil is best done by matching the pH level your plants need.
A pH meter gives an accurate reading of the pH level of the soil. If you do not have a meter, you can buy an inexpensive soil test kit to measure the pH via dyes that change color according to the pH of the soil. Mix a capsule of dye with a soil sample in a vial of water. After setting, determining the pH of the soil sample requires comparing the color of the water to an accompanying color chart. This method gives a good estimate of the soil pH, but is not exact.
Many plants thrive in a soil pH between 6.0 and 7.5 because the essential nutrients are most available at that level. However, some plants require a higher or lower pH level for optimal growth. Seed packets and plant identification tags generally note if the plant’s preferences are outside of this range. Garden books and magazines often provide the ideal range of soil pH for specific plants, and make special note when plants require acidic or alkaline soil.
Commercial all-purpose potting soil typically ranges from acidic to slightly acidic, making it suitable for most houseplants, explains the California Garden Web. Special formulas may range from a pH of 5.5 to 7.5, allowing you to select soil with the proper pH for your houseplants. Check the label on the potting soil carefully, as it indicates whether it is an all-purpose soil or if it is designed for specific plants or groups of plants.
Conclusion：We should keep our plants grow in a good PH soil environment so that they can better digest the nutrition. And if you have other questions about planting, welcome to visit our official website: ecofarm.ca
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