Inert" mediums, on the other hand, are those which do not alter the medium solution(alterations are then produced simply by the takeup of nutrients by the roots, and by the piston effect).
This rainwater, which leaves its reservoir at pH 8.0, if applied to a medium of pH 5.8 takes this pH value, and leads to a progressive decalcifying of the medium, and thus to acidification.
Water movement in the medium The water which arrives in the medium is subject to movement due to its weight(percolation or drainage) or otherwise movements due to differences in moisture content of different regions of the medium.
このかん水方法の基本的な構造は、鉢底より水や養液を用土の毛細管現象にて水分を上まで上げるものです。
The basic idea of this method of watering is to bring the water or nutrient solution to the base of the plant pots and use the capillary action of the material in the pots to draw up the moisture.
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