| 摘要 |
<p>This patent describes the procedure closed treatment of agricultural sand soils based on the principal related to physical chemistry, with the aim to improve the capabilities closed to absorption and water detention, while a considerable improvement of fertility in the case of the such treated soils is observed as a result of that. This procedure is based on that principle that, for 1 hectare of agricultural soil, into the topsoil 10 up to 20 tons bentonite, 20 up to 60 tons of dung-water mixed with 0,6 up to 5,5 tons of sodium water glass is applied, subsequently or simultaneously, however it depends of the solids content.</p> |
