If you say "a good horse must be equipped with a good saddle"(propagation tray), then "a good flower must be equipped with a good basin." Growing flowers is not only a matter of watering and soiling, but also the placement of a suitable flower pot for the flowers. First of all, the most important factor must be considered when selecting flower pots - water permeability, gas per ...
Look at the surface plants(50 cell trays bulk). When taking plastic pots and soils in the wild, you can look at the plants growing on the surface. The soils with pines and cedars are mostly acidic soils; the soils with millet and sorghum are mostly alkaline soils. By hand. Holding the acid soil by hand will have a very "soft" feeling. After releasing the hand, the soil will easily spread ...