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Evolution and relationship of some macro minerals in Medicago sativa L. plants

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dc.contributor.author Stavarache, Mihai
dc.contributor.author Samuil, Costel
dc.contributor.author Tarcau, Doina
dc.contributor.author Vîntu, Vasile
dc.date.accessioned 2021-07-08T07:10:09Z
dc.date.available 2021-07-08T07:10:09Z
dc.date.issued 2016
dc.identifier.citation Stavarache, Mihai, Costel Samuil, Doina Tarcău, Vasile Vîntu. 2016. "Evolution and relationship of some macro minerals in Medicago sativa L. plants". Lucrări Ştiinţifice USAMV - Iaşi Seria Agronomie 59(1): 183-188.
dc.identifier.uri https://repository.uaiasi.ro/xmlui/handle/20.500.12811/1618
dc.description.abstract Research conducted between 2013-2014, at Ezăreni Farm, Iaşi (47°05' - 47°10' north latitude and 27°28' - 27°33' east longitude) investigated at alfalfa (Medicago sativa L.), in the second, third, fourth and fifth vegetation year at the first cut, the influence of alfalfa plant phenophase at harvest on plant production of leaves, stems and whole plant (DM - dry matter) per hectare and leaves, stems and whole plant N (nitrogen), P (phosphorus), Ca (calcium) and Mg (magnesium) content. The experiment was laid by randomized block method in three replicates. Graduations of the studied factor were represented by the development phenophases: early bud, mid bud, late bud; early bloom, 10% bloom and full bloom. The results showed that the total production of DM was between 3.20 Mg·ha-1 (control variant) and 4.73 Mg·ha-1 (full bloom variant). At a more detailed analysis of interdependencies between mineral elements studied were highlighted some important ideas. Thus, from mineral elements studied in whole plants, between Ca and P there is the slightest interdependent relationship. The relationships N-P/P-N (R2 =0.739-0.841) and N-Mg/Mg-N (R2 =0.613-0.661) are positive, and the relationship Mg-Ca/Ca-Mg (R2 =0.576-0.653) is negative. The results can be useful to improve alfalfa fertilization system and to balance the Ca/P ratio from alfalfa plants. en_US
dc.language.iso en en_US
dc.publisher “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi en_US
dc.subject nitrogen en_US
dc.subject phosphorus en_US
dc.subject calcium en_US
dc.subject magnesium en_US
dc.subject quadratic regression en_US
dc.title Evolution and relationship of some macro minerals in Medicago sativa L. plants en_US
dc.type Article en_US
dc.author.affiliation Mihai Stavarache, Costel Samuil, Doina Tarcău, Vasile Vîntu, “Ion Ionescu de la Brad”University of Agricultural Sciences and Veterinary Medicine, Iaşi
dc.publicationName Lucrări Ştiinţifice USAMV - Iaşi Seria Agronomie
dc.volume 59
dc.issue 1
dc.publicationDate 2016
dc.startingPage 183
dc.endingPage 188
dc.identifier.eissn 2069-6727


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