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FOERFARANDE Før JORDFRI VAEXTODLING MED A SYSTEM a circulating in the closed VAEXTNAERINGSLOESNING
FOERFARANDE Før JORDFRI VAEXTODLING MED A SYSTEM a circulating in the closed VAEXTNAERINGSLOESNING
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机译:在封闭植被解决方案中循环进行系统的早期植被之前的步骤
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摘要
For the control of the pH value of a nutrient solution for growing plants the pH value is increased by supplying nitrate nitrogen and is decreased by supplying ammonium nitrogen to the nutrient solution.
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