Inverted humus - Bracke Group
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Inverted humus
Inverted humus
The optimum scarification for planting is known as inverted humus. This provides the components that give plants the greatest chance of survival and the best growth potential.

Increased air and ground temperatures are attained because proper scarification creates a raised planting spot. Cold air is heavier than warm air and consequently the difference in temperature between ground level and a couple of decimeters above ground often measures a couple of degrees during the coldest part of the day. The fact that sunlight can more easily reach a raised and cleared surface also provides a higher temperature. The lack of vegetation allows heat loss during the night, providing a lower temperature in scarified areas on clear nights. The extra sunlight provides not only increased temperature, but even more energy for photosynthesis. Scarification increases nutrients because the humus layer is compressed and imbedded in the mineral soil. The nutrients in the humus and mineral soil must compost if they are to be made available to the plants, and an important factor in rapid composting is warmth. This determines the rate of decay and thereby nutrient availability.
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