The very short answer to this is osmosis. Osmosis, very basically said, is the naturally occurring phenomenon where water flows towards areas of higher concentration until an equilibrium of concentration is obtained. Trees take advantage of this phenomenon by increasing the concentration gradient with increasing height of the plant. This way water continues to flow [...]
Tag Archives: osmosis
Salty and Sodic Soils
What a Gardener Can Do When Confronted with this Problem The basic idea: Salty soils will squelch the productivity of any garden unless all the plant material chosen for your garden comes specifically from seaside regions. Salty soils have a high osmotic pressure, exerting a strong pull on water, thus keeping plants thirsty. Fortunately, there [...]
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