Good seeds with a high germination percentage and which are more resistant against diseases and give a good production.
Good substrate for the germination of the young plants. Because this is a sensitive stage, it is very important that the substrate is clean, has the right physical characteristics and fertilizers
Good pots with the right volume for a culture of 4-6 months and a good drainage to get a strong rooting system. The pots are usually used for several years.
Good substrate which can support the plant for a long time with air and water. The roots are very important because they are the base for a healthy plant. For a longer culture it is important that the substrate has a good water-holding-capacity and thereby also a good drainage to avoid root-diseases.
Good fertilizers which is the food for the plant; the health of the plant and the result of the crop is depending on the right relation between the different elements.