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| mulch A layer of organic material applied to the surface of the ground to retain moisture; mulching is the spreading of leaves, straw or other loose material on the ground to prevent erosion, evaporation or freezing of plant roots | |||
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mulch : 6 фраз в 4 тематиках |
| Естественные науки | 3 |
| Медико-биологические науки | 1 |
| Почвоведение | 1 |
| Природные ресурсы и охрана природы | 1 |