Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop

Nitrogen fertilization has positive effects on growth and production of potato crop. The objective of this study was to assess the differences of the photosynthetic response and biomass partitioning patterns during the main phenophases of the potato cultivar Capiro under different nitrogen nutrition...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	José E. Salas-Rosales, Pedro Manuel Villa, Alice C. Rodrigues, Fermín Rada
Formato:	article
Lenguaje:	EN
Publicado:	Universidad Nacional Agraria La Molina 2020
Materias:	dry weight accumulation nitrogen supply solanum tuberosum tuber yield Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/863255f7733144af91bae14e2774e2a6
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:863255f7733144af91bae14e2774e2a6
record_format	dspace
spelling	oai:doaj.org-article:863255f7733144af91bae14e2774e2a62021-12-04T17:44:55ZEffects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop2616-447710.21704/pja.v4i2.1571https://doaj.org/article/863255f7733144af91bae14e2774e2a62020-08-01T00:00:00Zhttps://revistas.lamolina.edu.pe/index.php/jpagronomy/article/view/1571https://doaj.org/toc/2616-4477Nitrogen fertilization has positive effects on growth and production of potato crop. The objective of this study was to assess the differences of the photosynthetic response and biomass partitioning patterns during the main phenophases of the potato cultivar Capiro under different nitrogen nutrition fertilization treatments in the tropical Andes of Mérida, Venezuela. Plots of 40 m2 (2,625 plants m-2) were established under a random block design with three replications by nitrogen fertilization treatment: 0, 100, 200, and 300 kg. N ha-1. Photosynthesis and biomass were measured in the different organs in the main phenological stages of the crop. The results indicate that photosynthesis tends to increase slightly with the nitrogen supply; although the differences were not always significant and, decreases during crop growth. Tubers yield it was markedly influenced by the nitrogen fertilization. The total biomass production, as well as biomass allocation in different organs showed differences between treatments, maintaining the following order: 300-N> 200-N> 100-N> 0-N. When analyzing the biomass accumulation curves, it is estimated that the application of 250 kg N ha-1 as mineral fertilizer is enough to reach optimal production yields.José E. Salas-RosalesPedro Manuel VillaAlice C. RodriguesFermín RadaUniversidad Nacional Agraria La Molinaarticledry weight accumulationnitrogen supplysolanum tuberosumtuber yieldAgriculture (General)S1-972ENPeruvian Journal of Agronomy, Vol 4, Iss 2, Pp 68-74 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	dry weight accumulation nitrogen supply solanum tuberosum tuber yield Agriculture (General) S1-972
spellingShingle	dry weight accumulation nitrogen supply solanum tuberosum tuber yield Agriculture (General) S1-972 José E. Salas-Rosales Pedro Manuel Villa Alice C. Rodrigues Fermín Rada Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop
description	Nitrogen fertilization has positive effects on growth and production of potato crop. The objective of this study was to assess the differences of the photosynthetic response and biomass partitioning patterns during the main phenophases of the potato cultivar Capiro under different nitrogen nutrition fertilization treatments in the tropical Andes of Mérida, Venezuela. Plots of 40 m2 (2,625 plants m-2) were established under a random block design with three replications by nitrogen fertilization treatment: 0, 100, 200, and 300 kg. N ha-1. Photosynthesis and biomass were measured in the different organs in the main phenological stages of the crop. The results indicate that photosynthesis tends to increase slightly with the nitrogen supply; although the differences were not always significant and, decreases during crop growth. Tubers yield it was markedly influenced by the nitrogen fertilization. The total biomass production, as well as biomass allocation in different organs showed differences between treatments, maintaining the following order: 300-N> 200-N> 100-N> 0-N. When analyzing the biomass accumulation curves, it is estimated that the application of 250 kg N ha-1 as mineral fertilizer is enough to reach optimal production yields.
format	article
author	José E. Salas-Rosales Pedro Manuel Villa Alice C. Rodrigues Fermín Rada
author_facet	José E. Salas-Rosales Pedro Manuel Villa Alice C. Rodrigues Fermín Rada
author_sort	José E. Salas-Rosales
title	Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop
title_short	Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop
title_full	Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop
title_fullStr	Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop
title_full_unstemmed	Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop
title_sort	effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop
publisher	Universidad Nacional Agraria La Molina
publishDate	2020
url	https://doaj.org/article/863255f7733144af91bae14e2774e2a6
work_keys_str_mv	AT joseesalasrosales effectsofnitrogenfertilizationonthephotosynthesisandbiomassdistributioninapotatocrop AT pedromanuelvilla effectsofnitrogenfertilizationonthephotosynthesisandbiomassdistributioninapotatocrop AT alicecrodrigues effectsofnitrogenfertilizationonthephotosynthesisandbiomassdistributioninapotatocrop AT ferminrada effectsofnitrogenfertilizationonthephotosynthesisandbiomassdistributioninapotatocrop
_version_	1718372684141690880

Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop

Ejemplares similares