Calibração do medidor de clorofila Minolta SPAD-502 para avaliação do conteúdo de nitrogênio do milho. [PDF]
O objetivo deste trabalho foi calibrar o medidor de clorofila Minolta SPAD-502 para avaliação da nutrição nitrogenada das plantas de milho, baseando-se na prévia comparação das leituras de clorofila com os teores obtidos pelos extratores N,N ...
ALVES, B. J. R. +6 more
core
Neutralização da toxina tetânica pela clorofila hidrossolúvel
Confirming the studies of F onseca R ibeiro and Guimaraes, the authors showed besides that with a contact for 15 minutes, 0.5 ml. of hydro-soluble chlorophyll at 1% neutralizes 500 M.L.D. of tetanic toxine; that 100 ml. of tetanic toxine (concentration of 1 ml. = 15,000 M.L.D. guinea pigs) in contact with 1,0 g.
Fonseca Ribeiro +1 more
openaire +2 more sources
Hurricanes create major disturbances to stream ecosystems by producing large floods and removing riparian vegetation. Understanding their impacts is a priority, as hurricane intensity will increase with global climate change. Hurricane disturbance shifts mayfly assemblages from dominance by Leptophlebiidae before to Baetidae after.
Alonso Ramírez +4 more
wiley +1 more source
Application of trophic state indices in the dam of Salto Grande [PDF]
Eutrophication is the process by which nutrients, mainly phosphorus, are contributed. Currently, this has increased due to human activity and population growth which has caused the deterioration of water quality and limited its potential uses.
Bordet, Hugo Facundo +1 more
core
Ácido fólico (vitamina B9) y crecimiento de Phaseolus vulgaris L. micorrizado (Fabaceae)
El ácido fólico (vitamina B9) juega un papel crucial en la síntesis de clorofila y su aplicación exógena a las plantas podría influir positivamente en el índice de verdes obscuros (DGCI) y crecimiento vegetal.
Jacob Banuelos +3 more
doaj +1 more source
Studies of physical, chemical, and biological oceanography in the vicinity of the Revilla Gigedo Islands during the “Island Current Survey” of 1957 [PDF]
ENGLISH: The tendency of the tunas, especially the yellowfin (Neothunnus macropterus) to be more abundant in the near vicinity of islands and seamounts, or "banks", than in the surrounding oceanic areas, is well known to commercial fishermen.
Bennett, Edward B., Schaefer, Milner B.
core
A hortelã-pimenta (Mentha x piperita) é atualmente cultivada em todo o mundo. Utilizada como tempero em inúmeros pratos culinários assim como planta medicinal, também fornece óleos essenciais que podem ser extraídos da planta.
Luana Keslley Nascimento Casais +4 more
semanticscholar +1 more source
Chlorophyll content estimation in oregano leaves using a portable Chlorophyll meter : relationship with Mesophyll thickness and leaf age [PDF]
p.77-84Se evaluó la capacidad del medidor portátil de clorofila CCM 200 plus para estimar el contenido de clorofila total (Chl) en hojas de Origanum vulgare ssp. hirtum.
Argüello, Juan Alberto +3 more
core +1 more source
Metabolitos secundarios y clorofilas en cempasúchil en respuesta a estrés salino
Factores de estrés bióticos y abióticos tienen inf luencia en la biosíntesis de metabolitos secundarios en algunas especies medicinales. En este sentido, se ha reportado que el estrés salino altera las propiedades bioquímicas de un gran número de cultivos.
Ma. Guadalupe Peralta-Sánchez +5 more
openaire +2 more sources
DIFFERENCES IN LEAF GAS EXCHANGE AND LEAF CHARACTERISTICS BETWEEN TWO ALMOND CULTIVARS [PDF]
Leaf chlorophyll content, specific leaf weight (SLW), photosynthetic and transpiration rates, stomatal functioning, water use efficiency and quantum yield were assessed during the kernel filling period for two consecutive years in order to understand ...
George D. Nanos +3 more
doaj

