| 摘要 |
The invention relates to a compound of two main components, a polysaccharide and a borate provider, that form a flowable, penetrating liquid when mixed, then cross-link and gel to form a stable, flexible crust when applied to a substrate, such as soil. The crust protects the soil and prevents loss of moisture, but can be softened or mechanically worked to allow access to the soil, for example to provide nutrients or pesticides. Additives may be used to control specific properties and applications of the crust.
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