The structure of raspberry root system has its own characteristics, due to which it often freezes with the arrival of the first frost and cold weather during the spring. Mulching raspberries - horticultural technique that allows you to protect the rhizome, improve water and air regime.
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Roots raspberry vulnerable and exposed to the external environment, ie. K. At a depth of 20-30 cm from the surface. Mulching is necessary to result in a delicious berry harvest. This procedure accelerates growth, reduces the number of child processes, lowers high humidity at the base of the bush. warming spring is recommended when replacement of the shoots grow to 30-35 cm, and will be made the first doses of mineral fertilizers. For regions with cold climate and high humidity such activities can be carried out in mid-June.
Mulching can be done with the help of organic and inorganic materials:
- straw and hay;
- sawdust;
- manure;
- compost;
- peat.
Hay as mulch is rarely used, that is. To. It preet, it contains the seeds of weeds, the material offers little protection from the severe frosts and summer heat. It is preferable to use the straw, t. K. A material is available by decomposition improves soil structure. It is recommended to add a straw mulch or peat as the lower layers. To achieve the effect, straw layer thickness must be at least 10 cm.
Sawdust - a popular remedy for mulching raspberry bushes, and use it only in the spring recommended. Wood shavings during the snow thaw saturate with moisture, after spring frosts freeze together and turn into ice. Because of this poor soil warms, plant growth slows. Softwood sawdust increase the acidity of soil, so they are recommended to be laid on the ground after adding composting components. For this Tirso mixed with dolomite meal or ashes poured carbamide solution (5 L - 2-3 tbsp. l.) and tightly sealed. A year later, it turns to mulch processing blackberries and raspberries.
To protect the roots rotted mullein better use or polupereprevshy material. It can be used fresh, but you can not prevent it from contact with the roots and branches of the bush in order to avoid burns. We do not recommend the use of the early spring and autumn, t. K. A dense material that prevents soil warming, inhibits the growth of winter compressed into a dense crust and loses nitrogen stocks. The optimal time for mulching - late spring or early summer, after the addition of fertilizer. Manure layer should be 5-10 cm.
Compost - the best option for warming in spring and autumn. compost does not harden introduced in the fall as dung layer, and begins to perform its function since the advent of spring. This material is rich in nitrogen, however it should be applied a layer of not more than 6 cm. Spring is placed in the same time as the manure.
An effective way to warm raspberries in the winter - to prepare the mulch of peat, straw or compost. It is recommended to use a peat moss, t. K. Its structure is looser. Harbor raspberries peat can fall, summer and spring.
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