Soil over time is compacted, and walking through the soil contributes to soil compaction. Plant required for the normal development of the nutrients, moisture and a very important factor - air. Lack of air impairs the growth of crops, there is poor intake of nutrients. 40-50% of the soil pores to be filled with air, only then plant will grow well. After aeration, moisture better is getting to the plant root system. Soil verticulation, milling or aeration is recommended in the spring from April to June. Six months after sowing, better in wet weather soil is necessary to harrow with special technique. Soil aeration improves the condition of the soil, and also increases yield of crops with it. Milling depth usually is of up to 20cm.
Anyway, improving of soil fertility is the way to increase yield of crop.
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