Nutritional requirements
The plants are divided into low-consumption, medium-consumption and high-consumption, depending on their nutrient requirements. The need for nitrogen is crucial for this classification.
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Weak eaters
The weak eaters, who take only a few nutrients from the soil, include French beans and broad beans, cress and lamb's lettuce, radishes, summer and winter purslane and strawberries. Numerous wild herbs that naturally grow on poor soil have low nutrient requirements. They don't need compost fertilization and shouldn't be planted directly on top of the compost.
Central Eater
Various vegetables such as kohlrabi, carrots, beetroot, radish or spinach belong to the middle eaters. They have moderate nutritional needs and require an organic fertilizer during the growing season. Nettle liquid is ideal. Give the middle eaters, which also include onions, fennel, garlic and endives, a fertilization with ripe ones in autumn
Compost soil. These species are not suitable for planting on the compost.Other resource consumers are:
- salad
- Salsify
- Runner beans
- Swiss chard
Heavy Eater
These plants need a lot of nutrients throughout the growing season. They remove a lot of nitrogen from the soil, which has to be added to the substrate by means of compensatory measures. If you plant high-energy consumers such as peppers, potatoes, corn, tomatoes or pumpkins in the bed, you should fill the bed with plenty of compost in autumn fertilize. Before winter, sow plants that will accumulate nitrogen in the soil. In the next year, the plants are dug up so that they also fertilize the soil. Heavy eaters are suitable for direct planting in compost.
Compost for plant growing
Fresh compost soil is not suitable for growing the plants. The high nutrient content causes the seedlings to shoot up and form thin stems and leaves. The rotting processes in the compost are not yet complete. A lot of heat is generated so that the seedlings burn. Use stale compost for cultivation, in which the rotting processes have been completed. Soil that has been stored for at least a year provides the seedlings with ideal growth conditions. Make sure to keep the substrate evenly moist.
