Efficient agricultural drip irrigation inspired by fig leaf morphology.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
23 Sep 2023
23 Sep 2023
Historique:
received:
08
03
2023
accepted:
14
09
2023
medline:
24
9
2023
pubmed:
24
9
2023
entrez:
23
9
2023
Statut:
epublish
Résumé
Irrigation is limited by water scarcity. Here, we show how a drip irrigation system inspired by the leaf of the fig tree Ficus religiosa (also known as the bodhi tree) can improve irrigation efficiency. The reverse curvature of the leaf regulates the convergence process of multiple water streams, while its long-tail apex allows for fast water drainage with the droplet separation centroid beyond the leaf apex. We explain why drip frequency increases after the break-up of contact line pinning at the apex tip by using scaling laws for drip volume and analyzing drainage dynamics. We build a drip irrigation emitter inspired by the bodhi leaf apex and compare the germination efficiency of wheat, cotton, and maize under different irrigation modes. These results show that the proposed bodhi-leaf-apex-mimetic (BLAM) drip irrigation can improve water saving while ensuring germination and seedling growth.
Identifiants
pubmed: 37741843
doi: 10.1038/s41467-023-41673-0
pii: 10.1038/s41467-023-41673-0
pmc: PMC10518012
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
5934Subventions
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 52173293
Informations de copyright
© 2023. Springer Nature Limited.
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