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top soil (Alexander Demidov); topsoil (Topsoil is the upper, outermost layer of soil, usually the top to . It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity occurs. wiki , ПРС Alexander Demidov) | |||
topsoil |
почвенно-растительный слой : 7 фраз в 2 тематиках |
Природні ресурси та охорона природи | 5 |
Сахалін | 2 |