Results 31 to 40 of about 1,794,042 (277)

Nitrogen nutrition index and morphogenesis in Alexandergrass of the Central Depression of Rio Grande do Sul

Ciência Rural, 2023
: This study assessed the nitrogen nutrition index, morphogenic characteristics and tiller structure of Alexandergrass (Urochloaplantaginea (LINK) Hitch) pasture submitted to different nitrogen (N) levels (zero, 150 or 300 kg ha-1 of N). The experimental
Paulo Roberto Salvador, Marta Gomes da Rocha, Juliana Medianeira Machado, Tuani Lopes Bergoli, Juliana Missio Machado, Diego Daniel Tiecher, Juliana Brendler Hoerbe, Luciana Pötter   +7 more
doaj   +1 more source

Phenology and Floret Development as Affected by the Interaction between Eps-7D and Ppd-D1

Plants, 2021
Earliness per se (Eps) genes may play a critical role in further improving wheat adaptation and fine-tuning wheat development to cope with climate change.
Priyanka A. Basavaraddi, Roxana Savin, Stefano Bencivenga, Simon Griffiths, Gustavo A. Slafer   +4 more
doaj   +1 more source

Agrometeorological models for predicting seedlings development of two native forest species

Scientia Agricola, 2021
Models of development are tools that connect the effects of development on the environment, allowing their applications in several studies. Nevertheless, studies are scarce on models of development for native forest species in Brazil. This study aimed to
Fabrina Bolzan Martins, Mábele de Cássia Ferreira, Gabriel Wilson Lorena Florêncio   +2 more
doaj   +1 more source

Effect of nitrogen supply on leaf appearance, leaf growth, leaf nitrogen economy and photosynthetic capacity in maize (Zea mays L.)

Field Crops Research, 2005
J. Vos, P. E. L. Putten, C. Birch
exaly   +2 more sources

Filocrono de genótipos de arroz irrigado em função de época de semeadura Phyllochron of rice genotypes as a function of sowing date

Ciência Rural, 2007
O filocrono é definido como o tempo necessário para o aparecimento de folhas sucessivas em um colmo, no caso de espécies da família das Poáceas. Através do filocrono, pode-se calcular o número de folhas acumuladas, o que é uma excelente maneira de ...
Nereu Augusto Streck, Simone Michelon, Hamilton Telles Rosa, Lidiane Cristine Walter, Leosane Cristina Bosco, Gizelli Moiano de Paula, Cátia Camera, Flávia Kaufmann Samboranha, Elio Marcolin, Sidinei José Lopes   +9 more
doaj   +1 more source

Cardinal temperatures and thermal requirements for the initial development of two Brazilian native species [PDF]

Pesquisa Agropecuária Brasileira, 2019
: The objective of this work was to estimate the cardinal temperatures and to quantify the thermal requirements for the initial development of seedlings of the native tree species Citharexylum myrianthum and Bixa orellana.
Mábele de Cássia Ferreira, Fabrina Bolzan Martins, Gabriel Wilson Lorena Florêncio, João Pedro Guimarães Cândido Silva, Liliana Auxiliadora Avelar Pereira Pasin   +4 more
doaj   +1 more source

Características morfogênicas e estruturais do capim-marandu submetido a combinações de alturas e intervalos de corte Morphogenetic and structural characteristics of marandu palisadegrass subjected to combinations of cutting heights and cutting intervals

Revista Brasileira de Zootecnia, 2011
Desenvolveu-se este estudo com o objetivo de avaliar o acúmulo de forragem e as características morfogênicas e estruturais do capim-marandu submetido a combinações de alturas e intervalos de corte. O experimento foi realizado no período de agosto de 2003
Gelson dos Santos Difante, Domicio do Nascimento Júnior, Sila Carneiro da Silva, Valéria Pacheco Batista Euclides, Denise Baptaglin Montagner, Márcia Cristina Teixeira da Silveira, Karine da Silva Pena   +6 more
doaj   +1 more source

Does substrate colour affect the visual appearance of gilded medieval sculptures? Part II: SEM–EDX observations on gold leaf samples taken from medieval wooden sculptures

Heritage Science, 2020
In the previous paper (Part I), the colorimetry and interferometric microscopy measurements on modern gold leaf models have revealed that the visual appearance of a gilded surface, both burnished and unburnished, depends strongly on the substrate type ...
Qing Wu, M. Döbeli, T. Lombardo, K. Schmidt-Ott, B. Watts, F. Nolting, David Ganz   +6 more
semanticscholar   +1 more source

Changes in leaf appearance and developmental phases associated with breeding progress in six-rowed barley in the Pannonian Plain

Crop Breeding and Applied Biotechnology, 2019
The aim of this study was to analyze traits of leaf appearance and phenological development related to grain yield gain in winter barley cultivars released over the past 50 years.
M. Mirosavljević, V. Momčilović, S. Mikić, L. Brbaklić, D. Trkulja, I. Abičić   +5 more
semanticscholar   +1 more source

Distribution characteristics of polycyclic aromatic hydrocarbons in Chinese flowering cabbage in different periods [PDF]

E3S Web of Conferences, 2023
The purpose of this study is to investigate the distribution characteristics of polycyclic aromatic hydrocarbons (PAHs) in Chinese flowering cabbage at different growth stages, and provide reference for people's daily diet and production activities.
He Gangjian, Sun Qiaojian, Long Minghua
doaj   +1 more source