Sapropel

Sapropel, or silt of the freshwater reservoirs, is a «modern» geological sediment which is made of aquatic plants and animal remains combined with scraps of higher plants, pollen, sand, clay brought from the dry land and solutions of various inorganic substances.

The chemical analysis shows that the structure of sapropel includes all necessary elements for plant nutrition that can not be found in any other fertilizer. Sapropel contains a significant amount of humus acids and their salts, resistant to biological cleaving which considerably enriches the humus fund of the soil — the material supporter of its fertility.

The researches which have been carried out all over the world proved that sapropel:

- reduces soil acidity;
- improves water capacity of an arable layer;
- is a radioprotector, i.e. promotes in inactive and inaccessible to plants form the fixation of radioactive strontium and other heavy metals in the soil.

The essential ingredients which are necessary for plant nutrition, such as SiO2, K2O, P2O5, CaO, etc., are contained in sapropel both in total, and in mobile forms. When using sapropel as fertilizer, more than two times of nitrogen and phosphorus are supplied to the soil in comparison with common fertilizers. Application of sapropel in a combination with fertilizers improves their physical properties — the effect of caking of fertilizers vanishes, and also they are longer kept in the soil. The effectiveness of sapropel lasts 6 years.

Sapropel consists of mineral and organic parts. Mineral part was formed as a result of the drop out of water solutions of elements of cinder nutrition of biomass, clay, sand, etc. Organic — in the result of anaerobic biochemical decomposition of biomass and its subsequent resynthesis by microorganisms.

Peat

Peat is capable to store the moisture in 20 times more than its weight, and then, as required, slowly supplies plants with it. Peat stimulates the growth of roots, facilitating and venting the soil, helps to keep moisture and nutrients by adding the base to the sandy soil. Peat reduces vanishing of nutrients, detaining and adding them to the soil, then disengaging these substances some time later (it can help you to save on fertilizers). Peat protects the soil from condensation and supplies it with organic materials. Peat accelerates the process of composting, stores and controls air and water in the compost pit. At applying compost to the soil, regulates the speed of vanishing of organic substances from the soil (stores them a few years instead of several months). The organic substances contained in peat, evolve carbonic gas at decomposition that why it is very important for plant cultivation ( both open and a glass-covered ground).

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