After no-till harvest, it is time for cover crops to improve the soil. Also known as green manures, this type of plant aims to cover the soil, protect the surface and improve its chemical, physical and biological conditions.
But how to choose the right species for each situation? It depends on some aspects. Each species of cover plant can have different results on the crops that come later.
Before taking it into the field, it is essential to know the behavior of the cover plant. Check initial growth speed, soil cover efficiency, nutrient recycling capacity, drought resistance, frost resistance, low pest and disease attack, among others.
There are cover crops that are more suitable for growing in summer and others for winter. For summer, the most common species are velvet bean, sunn hemp, jack beans, dwarf pigeon pea, cowpea or cowpea, teosinte, millet, Sudan grass, sorghum and buckwheat. For winter, black oats, white oats, rye, ryegrass, white lupine, blue lupine, fodder peas, common vetch, hairy vetch, gorga and fodder radish.
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