Какова причина волны импорта продовольственных продуктов в США?20:00, Октябрь 05, 2007
Американские потребители, стремясь сберечь несколько долларов, вносят свой вклад в волну в импортированных продовольственных продуктах, сказал высокопоставленный служащий Управления по санитарному надзору за качеством пищевых продуктов и медикаментов в четверг... Далее
A mulch, by definition, is a layer of bark, sphagnum peat moss, muck peat, compost, pine needles, gravel, plastic, or any similar material uniformly spread on the surface of the soil under plants. Among the objectives of applying mulch or mulching are to:
prevent weed growth;
conserve moisture in the soil;
cool soil surface and stabilize soil temperature;
reduce heaving (plant roots forced upward out of soil) of small plants as a result of alternate freezing and thawing of the soil in autumn, winter and spring;
add organic matter to soil, if mulch materials are organic in nature;
reduce soil erosion on slopes;
keep fruits, vegetables and flowers cleaner;
improve aesthetics of a landscape and add to property values.
Organic mulches, derived from plant material, will decompose in time and enrich and improve the soil. This results in increased aeration of silt or clay loam soils and added water-holding capacity of sandy loam soils. Mulching improves and stabilizes soil structure (arrangement of soil particles) by reducing the impact of rain, weight (people walking on the soil) and cultivation of soils, especially when wet. In short, compaction of the soil is reduced.
The application of peat from Morochno deposits (Rovno region, Ukraine) guarantees positive influence on soil which is has been proved by its long-term utilization in agriculture and farming for preparation of peat composts, peat mixtures.
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