Results 21 to 30 of about 532,660 (264)

Growth and mineral nutrition Of Ipomoea quamoclit Crescimento e nutrição mineral de Ipomoea quamoclit

open access: yesPlanta Daninha, 2009
A greenhouse experiment was carried out from November 2006 to April 2007 at FCAV/UNESP, Brazil, aiming to study the dry mass production and the accumulation and distribution of macronutrients in Ipomoea quamoclit, an important weed for annual and ...
L.B. Carvalho, S. Bianco, R.A. Pitelli
doaj   +1 more source

Índices de vegetação de base espectral para discriminar doses de nitrogênio em capim-tanzânia Vegetation spectral indices to discriminate nitrogen rates in tanzania grass

open access: yesRevista Brasileira de Zootecnia, 2009
Este trabalho foi realizado para determinar, entre seis índices de vegetação baseados em dados de refletância espectral, aquele que melhor discrimina doses de nitrogênio e que possui maior correlação com leituras de clorofila e massa seca do capim ...
Selma Alves Abrahão   +5 more
doaj   +1 more source

Changes in ultrastructure, photosynthetic abilities, and secondary metabolite due to individual and interactive effects of chromium and ultraviolet-B radiation in Adhatoda vasica

open access: yesPhotosynthetica, 2023
The study was executed to assess individual and interactive effects of elevated ultraviolet-B (eUV-B) radiation and chromium (Cr) on a medicinal plant Adhatoda vasica Nees. The experiment was conducted under field conditions involving control, Cr, eUV-B,
A. PANDEY   +3 more
doaj   +1 more source

Effect of Plant Thickness and Cotton Row Spacing on Dry Mass Accumulation [PDF]

open access: yesBIO Web of Conferences
In thi article, the medium-fiber cotton variety “Ravnaq-1” was processed at different 60 cm (control), 70 cm, and 76 cm row spacings in a cultivator adopted (in Uzbekistan) and a milling cultivator with a 76 cm row spacing, along with the theoretical ...
Muhammadov Yuldoshbek   +2 more
doaj   +1 more source

Asynchronous dynamics of grapevine ("Vitis vinifera") maturation: experimental study for a modelling approach

open access: yesOENO One, 2009
Aims: An analysis of the asynchrony and dynamics of dry matter accumulation and water content in the grape berries growth period (Vitis vinifera L.) was carried out on a macroscopic scale (berry population).
Iñaki García de Cortázar-Atauri   +4 more
doaj   +1 more source

Evaluation of yield, chemical composition and yield of essential oil of four cultivars of sweet basil (Ocimum basilicum L.) affected by different levels of nitrogen

open access: yesActa Agriculturae Slovenica, 2020
A field experiment was conducted to evaluate yield and some qualitative characteristics of four cultivars of sweet basil treated with different levels of nitrogen fertilizer.
Faraj MOAYEDI   +2 more
doaj   +1 more source

Crescimento e nutrição mineral de Ipomoea hederifolia Growth and mineral nutrition of Ipomoea hederifolia

open access: yesPlanta Daninha, 2010
Um experimento em casa de vegetação foi conduzido entre novembro de 2005 e abril de 2006, na FCAV/UNESP, Brasil, objetivando estudar a produção de massa seca, a distribuição e o acúmulo de macronutrientes por Ipomoea hederifolia, uma importante planta ...
C.D. Guzzo   +3 more
doaj   +1 more source

Application of basic drying theory to determine drying mass constants of selected seafoods [PDF]

open access: yesGlobal Journal of Engineering and Technology Advances, 2021
The drying of seafood could ensure increase in life span, minimization of storage space, ease of transportation, etc of the product. It is therefore, necessary to dry and know when to stop drying at an appropriate moisture content that would minimize associated challenges in promoting food security.
Orua Okon Antia   +2 more
openaire   +2 more sources

Crescimento, desenvolvimento e produtividade do tomateiro cultivado em substrato com três concentrações de nitrogênio na solução nutritiva Growth, development and yield of tomato plants grown in substrate under three nitrogen concentrations of the nutrient solution

open access: yesCiência Rural, 2004
Determinou-se o efeito de três concentrações de N da solução nutritiva sobre o crescimento e produtividade do tomateiro cultivado em substrato, no outono e na primavera.
Jerônimo Luiz Andriolo   +2 more
doaj   +1 more source

Dose-response of morning-glory species to PPO inhibitors [PDF]

open access: yesCommunications in Plant Sciences, 2015
The objective of this research was to test the response of morning-glory species (Ipomoea hederifolia and Ipomoea quamoclit), two important weeds in Brazilian agricultural fields, growing after application of increased doses of carfentrazone-ethyl and ...
Mauricio Crestani Agostineto   +2 more
doaj  

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