The dedication on the dry mass of all substrate pots by drying in the ventilated oven at sixty°C (Heraeus, Hanau, Germany) for seven times at first and end of lettuce cultivation allowed the calculation with the mineralized organic and natural matter in the course of the experiment. This technique was https://safety-nut36096.ampblogs.com/greenhouse-things-to-know-before-you-buy-69728256