Results 91 to 100 of about 52,615 (209)

Caracterización estomática, concentración de clorofila y su relación con producción de biomasa en Bouteloua curtipendula

open access: yes, 2018
Las caracteristicas de los estomas y la concentracion de clorofila son de los principales factores que determinan la productividad de una planta.
Alán Álvarez-Holguin   +5 more
semanticscholar   +1 more source

REGIONES DEL GOLFO DE CALIFORNIA DETERMINADAS POR LA DISTRIBUCIÓN DE LA TEMPERATURA SUPERFICIAL DEL MAR Y LA CONCENTRACIÓN DE CLOROFILA-a

open access: yesBIOtecnia, 2018
Se realizó un análisis espacio-temporal en el Golfo de California, usando imágenes satelitales con una resolución espacial de 4 km, de los promedios mensuales de la temperatura superficial del mar (TSM) y la concentración de clorofila-a (Clo-a), para el ...
María del Carmen Heras-Sánchez   +6 more
semanticscholar   +1 more source

Chlorophyll index for real-time prediction of nutritional status of 'Prata' banana

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2016
This study aimed to select regression equations based on the correlation between chlorophyll index and leaf nutrient contents, for real-time prediction of the nutritional status of 'Prata' banana.
Alessandro de M. Arantes   +4 more
doaj   +1 more source

Fitoplancton, epipelon, materia orgánica y fósforo de una laguna arreica en relación con fases claras y turbias [PDF]

open access: yes, 2009
Fil: Mac Donagh, María Elicia. División Ficología. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Casco, María Adela. División Ficología. Facultad de Ciencias Naturales y Museo.
Cano, María Gabriela   +5 more
core  

Effect of storage at different temperatures on development of external color and quality of pineapple fruits cv. Gold Extra Sweet

open access: yesAgronomía Costarricense, 2015
In order to improve the quality of the fruit, judged at the market as the degree of yellowing of the peel, 2 experiments were performed to evaluate the effect of storage temperature on change in external color of pineapple (Ananas comosus) fruit cv ...
Luis Ulloa   +2 more
doaj  

Portable meters for nutritional assessment in plants of gerbera fertigated with electrical conductivity levels

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2014
Rapid tests to assess the nutritional status of plants gerbera can make easier the decision of any adjustments in the fertilization of the substrate. The study was conducted to evaluate nutritionally fertigated gerbera plants with increasing levels of ...
Poliana R. D'A. Mota   +4 more
doaj   +1 more source

PODA VERDE NA PRODUÇÃO E QUALIDADE DE UVA CV. RUBI (Vitis vinifera L.) NO NORTE DO ESPÍRITO SANTO [PDF]

open access: yes, 2013
A produção de uvas vem ganhando, cada vez mais, destaque na economia do Brasil. O nordeste brasileiro é responsável pela produção das melhores uvas finas de mesa do Brasil, inclusive com qualidade que possibilita a exportação para vários países do mundo.
ZANOTTI, L. C. M.
core  

Índice relativo de clorofila na avaliação da murcha de Fusarium em feijoeiro

open access: yesBrazilian Journal of Development, 2019
The objective of this study was to use the relative chlorophyll index (RCI) in the evaluation of fusarium wilt, a disease caused by the fungus Fusarium oxysporum f. sp. phaseoli (Fop) in different bean genotypes.
Jean Fausto de Carvalho Paulino   +3 more
semanticscholar   +1 more source

EVALUATION OF THE ATTACHMENT AND DEVELOPMENT OF RUBBER CLONES (Hevea brasiliensis) PROPAGATED BY GRAFTING IN THE PERUVIAN JUNGLE

open access: yesTropical and Subtropical Agroecosystems
Background. The latex yield in Hevea brasiliensis trees is highly variable; Therefore, it is important to propagate commercial clones of this species by grafting in order to standardize or improve latex yields and therefore improve the economic income of
Jorge M. Navarro   +8 more
doaj   +1 more source

Leitura SPAD em abacaxizeiro imperial cultivado em deficiência de macronutrientes e de boro

open access: yesRevista Brasileira de Fruticultura, 2013
O equipamento Minolta SPAD-502 mede a intensidade da coloração verde das folhas e tem sido utilizado na quantificação de clorofilas, caracterizando-se pela rapidez, simplicidade e, principalmente, por possibilitar uma avaliação não destrutiva do tecido ...
Maria José Mota Ramos   +2 more
doaj   +1 more source

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