The perfect pH
The ideal pH range for a healthy plant is between 5.2 - 6.2
A pH environment high in alkalinity (above 7.5) prevents the roots from consuming the available iron, copper, zinc, manganese, and boron ions in their vicinity,
A lower pH, acidic environment (less than 6) prevents the roots from accessing phosphoric acid, calcium, and magnesium because they lose their solubility.
If the pH drops to between 5 to 3 with temperatures above 26 degrees Celsius, plants become susceptible to fungal diseases.
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pH is actually a measurement of the quantity of the hydrogen ions present in a solution. The ions impact the acidity of the solution and how it will react chemically. pH is defined as the negative logarithm of the hydrogen ion concentration. The scale measures from 0 (acid) to 14(alkaline) with 7 being neutral.
The pH management of the soil/nutrient solution/water is an essential element of growing. Although the plant is not directly affected by the pH levels, the growing environment is affected, consequently the nutrient availability will be affected and the growth of the plant.
For further, more in-depth information on the science behind pH and plants, take a look at this research article conducted by one of our favourite brands, Canna
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