Bonsai: root development and nutrient absorption in relation to the temperature and period of the year

This article was translated from the original, written in Italian languageusing Google Translator.
 Therefore some phrases may not make sense and should be interpreted

The three graphs of this post help us understand how to grow the roots of our bonsai based on soil temperature, and period of year, and when they absorb large amounts of nutrients.

The first graph shows the percentage of root growth as a function of temperature. Between 23 ° C and 31 ° C you get the maximum growth.

Percentage of root growth based on the temperature of the soil

The second graph shows the trend of root growth throughout the year: Between April and June you have the maximum development, followed by a pause in August and an upturn in September and October.
The favorable time for repotting are indicated with green tract

percentage of growth of the roots in relation to the period of year.

The third graph shows how the roots absorb nutrients in relation to the period of year.
It notes that during the summer months, when the bonsai are in vegetative stasis, it has the maximum absorption of nutrients

Percentage of absorption of nutrients by the roots in relation to the time of year.


                                                         THE MYCORRHIZAE by DAVIDE CARDIN►