Fit Roots for Plant Health Whitepaper - Koppert

level between 6.0 - 6.5 is the best range for most crops. 4 Figure 2: A pH level between 6.0 - 6.5 is the best range for most crops. 5 Plant roots can [...] The oxygenation of the irrigation water can be measured with relatively simple devices. So far we mostly spoke about plant nutrition with inorganic fertilizers [...] this has been achieved. If so, plants become more resistant to insects with simple digestive systems, especially larval and sucking insects such as cabbage