The dedication on the dry mass of all substrate pots by drying in the ventilated oven at sixty°C (Heraeus, Hanau, Germany) for seven days at the beginning and conclusion of lettuce cultivation permitted the calculation on the mineralized organic and natural issue through the experiment. This technique was used according https://ceilingfanwithlight88530.develop-blog.com/39863964/the-2-minute-rule-for-greenhouse-accessories