http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109438108-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C05G3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C05G3-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C05F11-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C05G3-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C05G3-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C05F11-00 |
| filingDate | 2018-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109438108-B |
| titleOfInvention | Straw-based slow-release fertilizer capable of repairing soil heavy metals and preparation method and application thereof |
| abstract | The invention discloses a preparation method of a straw-based slow-release fertilizer capable of repairing heavy metals in soil, which comprises the following steps: 1) modifying the peeled and transversely cut straws by using NaOH to obtain porous modified straws; 2) loading porous modified straws with ammonium thiosulfate to obtain an ammonium thiosulfate/straw compound; 3) and coating the ammonium thiosulfate/straw compound by using polyvinyl alcohol to obtain the straw-based slow release fertilizer capable of repairing the heavy metal in the soil. The invention has the advantages that: the method takes straws as a carrier, and prepares the slow release fertilizer through functional modification; the slow release fertilizer can reduce the absorption of chromium by plants and promote the growth of crops; the preparation method is simple, low in cost, rich in material source and simple in harvesting, and provides a new idea for high-value utilization of the straw. |
| priorityDate | 2018-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 23.