Synthetic gel structures in soils for sustainable potato farming.
Identifieur interne : 000375 ( Main/Exploration ); précédent : 000374; suivant : 000376Synthetic gel structures in soils for sustainable potato farming.
Auteurs : Andrey Smagin [Russie] ; Nadezhda Sadovnikova [Russie] ; Marina Smagina [Russie]Source :
- Scientific reports [ 2045-2322 ] ; 2019.
Abstract
Anti-pathogenic protection of potatoes remains one of the most pressing problems of sustainable agronomy and plant protection. For this purpose, we propose to use a new type of synthetic hydrogels filled with amphiphilic recipients (dispersed peat, humates) and modern plant protection products. We assumed that the introduction of swollen gel structures into the rhizosphere of potatoes will allow us: to optimize the water supply and productivity of potatoes; to protect the fertile layer and potato tubers from the main pathogens; to fix modern plant protection products in the rhizosphere, keeping them from leaching and entering the environment. Preliminary laboratory experiments tested the anti-microbial activity of gel structures, as well as their water retention, dispersity and hydraulic conductivity with subsequent computer modeling of the water exchange and root uptake in the system of "soil-gel-potato". Field trials were carried out in humid (European Russia) and arid (Uzbekistan) conditions under the atmospheric precipitation and irrigation on different soils and potato varieties with instrumental monitoring of environment, potato growth and quality. All experimental results confirmed the high efficiency of water-accumulative and plant protective synthetic gel structures. Their usage sufficiently (up to 6-15 t/hct) increases the potato yield with 1.3-2 times water saving, complete retention of agrochemicals in the rizosphere, and its actually total protection against major potato pathogens, including late blight (Phytophthora infestans).
DOI: 10.1038/s41598-019-55205-8
PubMed: 31819145
PubMed Central: PMC6901477
Affiliations:
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type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Anti-pathogenic protection of potatoes remains one of the most pressing problems of sustainable agronomy and plant protection. For this purpose, we propose to use a new type of synthetic hydrogels filled with amphiphilic recipients (dispersed peat, humates) and modern plant protection products. We assumed that the introduction of swollen gel structures into the rhizosphere of potatoes will allow us: to optimize the water supply and productivity of potatoes; to protect the fertile layer and potato tubers from the main pathogens; to fix modern plant protection products in the rhizosphere, keeping them from leaching and entering the environment. Preliminary laboratory experiments tested the anti-microbial activity of gel structures, as well as their water retention, dispersity and hydraulic conductivity with subsequent computer modeling of the water exchange and root uptake in the system of "soil-gel-potato". Field trials were carried out in humid (European Russia) and arid (Uzbekistan) conditions under the atmospheric precipitation and irrigation on different soils and potato varieties with instrumental monitoring of environment, potato growth and quality. All experimental results confirmed the high efficiency of water-accumulative and plant protective synthetic gel structures. Their usage sufficiently (up to 6-15 t/hct) increases the potato yield with 1.3-2 times water saving, complete retention of agrochemicals in the rizosphere, and its actually total protection against major potato pathogens, including late blight (Phytophthora infestans).</div></front></TEI><pubmed><MedlineCitation Status="In-Process" Owner="NLM"><PMID Version="1">31819145</PMID><DateRevised><Year>2020</Year><Month>05</Month><Day>22</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>9</Volume><Issue>1</Issue><PubDate><Year>2019</Year><Month>12</Month><Day>09</Day></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Synthetic gel structures in soils for sustainable potato farming.</ArticleTitle><Pagination><MedlinePgn>18588</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/s41598-019-55205-8</ELocationID><Abstract><AbstractText>Anti-pathogenic protection of potatoes remains one of the most pressing problems of sustainable agronomy and plant protection. For this purpose, we propose to use a new type of synthetic hydrogels filled with amphiphilic recipients (dispersed peat, humates) and modern plant protection products. We assumed that the introduction of swollen gel structures into the rhizosphere of potatoes will allow us: to optimize the water supply and productivity of potatoes; to protect the fertile layer and potato tubers from the main pathogens; to fix modern plant protection products in the rhizosphere, keeping them from leaching and entering the environment. Preliminary laboratory experiments tested the anti-microbial activity of gel structures, as well as their water retention, dispersity and hydraulic conductivity with subsequent computer modeling of the water exchange and root uptake in the system of "soil-gel-potato". Field trials were carried out in humid (European Russia) and arid (Uzbekistan) conditions under the atmospheric precipitation and irrigation on different soils and potato varieties with instrumental monitoring of environment, potato growth and quality. All experimental results confirmed the high efficiency of water-accumulative and plant protective synthetic gel structures. Their usage sufficiently (up to 6-15 t/hct) increases the potato yield with 1.3-2 times water saving, complete retention of agrochemicals in the rizosphere, and its actually total protection against major potato pathogens, including late blight (Phytophthora infestans).</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Smagin</LastName><ForeName>Andrey</ForeName><Initials>A</Initials><Identifier Source="ORCID">0000-0002-3483-3372</Identifier><AffiliationInfo><Affiliation>Lomonosov Moscow State University, Leninsrye gory 1-12, 119991, Moscow, Russia.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Institute of Forest Science of RAS, Sovetskaya 21, 143030, Moscow region, Uspenskoe, Russia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sadovnikova</LastName><ForeName>Nadezhda</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Lomonosov Moscow State University, Leninsrye gory 1-12, 119991, Moscow, 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IdType="pubmed">22783103</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>Russie</li></country><region><li>District fédéral central</li></region><settlement><li>Moscou</li></settlement></list><tree><country name="Russie"><region name="District fédéral central"><name sortKey="Smagin, Andrey" sort="Smagin, Andrey" uniqKey="Smagin A" first="Andrey" last="Smagin">Andrey Smagin</name></region><name sortKey="Sadovnikova, Nadezhda" sort="Sadovnikova, Nadezhda" uniqKey="Sadovnikova N" first="Nadezhda" last="Sadovnikova">Nadezhda Sadovnikova</name><name sortKey="Sadovnikova, Nadezhda" sort="Sadovnikova, Nadezhda" uniqKey="Sadovnikova N" first="Nadezhda" last="Sadovnikova">Nadezhda Sadovnikova</name><name sortKey="Smagin, Andrey" sort="Smagin, Andrey" uniqKey="Smagin A" first="Andrey" last="Smagin">Andrey Smagin</name><name sortKey="Smagina, Marina" sort="Smagina, Marina" uniqKey="Smagina M" first="Marina" last="Smagina">Marina 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