All know that fertile soil on the site – pledge of good harvest. The reserve of nutrients, moisture capacity and air permeability depends on its structure. The gardener knowing structure and structure of the soil at himself on the site can optimum arrange plants and is scientifically reasonable introduce mineral and organic fertilizers. The main characteristics of the soil are its fertility, structure and acidity.
It is required to you
- Map of soils, set of litmus paper, several leaves of blackcurrant or bird cherry.
Instruction
1. The fertility is ability of the soil to provide the normal growth and full development of plants. The soil gains natural fertility in development. The most fertile soil is the chernozem containing 6-10% of organic matter. Dark gray and gray forest soils are less fertile. It is possible to define it by the map of soils of your region.
2. For determination of structure take lump of the uvlazhenny soil, roll it in sausage and connect the ends. If the ring has turned out, the soil is heavy, clay. If in ring breaks – the soil loamy were formed. The ring is scattered on part? Sandy soil. And if sausage does not roll out at all and the soil is scattered through fingers, then sandy. Best of all loams are suitable for agriculture. Other soils should be improved. Clay soil since fall it is necessary to dig over, introduce organic fertilizers and sand deeply. For increase in fertility of sandy and sandy soils at spring redigging it is recommended to bring organic matters, for example, manure.
3. There are several ways of determination of acidity of the soil: · Buy special set of litmus paper in gardening shop. Lower it for several minutes to the damp soil. Depending on what color will be gained by control strip, the acidity.· is defined break several leaves of blackcurrant or bird cherry and make them in glass of boiled water. Cool and lower soil lump in glass. If water gets reddish shade – the soil sour. If greenish – subacidic. At the neutral soil, water will be painted in bluish color.· look what plants grow on the site. Sour soils are indicated by horsetail, wild mint, coltsfoot, goutweed, horse sorrel. The majority of crops well grow on soils with neutral or subacidic reaction: from 6.1 to 7.5 pH. Practically all flowers – natives from the South – love alkaline soils.