Results 31 to 40 of about 6,991 (213)
Modelagem de funções no cálculo dos índices DRIS Modelling of functions in calculating DRIS indices
Pesquisa Agropecuária Brasileira, 2007 O objetivo deste trabalho foi modelar o fator k e as funções DRIS para a diagnose foliar de mangueiras cultivadas. Dez pomares comerciais, no estágio de produção, localizados no vale do Rio São Francisco, foram monitorados, mensalmente, durante dois anos,
Paulo Guilherme Salvador Wadt +5 more
doaj +1 more source
Using Image Analysis and Regression Modeling to Develop a Diagnostic Tool for Peanut Foliar Symptoms
Agronomy, 2022 Peanut foliar diseases and disorders can be difficult to rapidly diagnose with little experience because some abiotic and biotic symptoms present similar symptoms. Developing algorithms for automated identification of peanut foliar diseases and disorders
Hope Renfroe-Becton +2 more
doaj +1 more source
Diagnose foliar na cultura da banana. [PDF]
, 2017 A maioria das espécies de bananeira (Musa spp.) originou-se do Continente Asiático. Na evolução das bananeiras comestíveis, participaram, principalmente, as espécies selvagens Musa acuminata Colla eM balbisiana Colla, de modo que cada variedade contém ...
BORGES, A. L.
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Crop, Forage &Turfgrass Management, Volume 12, Issue 1, June 2026.Abstract Maximizing soybean [Glycine max (L.) Merr.] yield requires effective management of Cercospora leaf blight (CLB), a significant foliar disease that can reduce productivity and grain quality. The impact of CLB is particularly notable in regions such as the mid‐southern United States, where species of Cercospora, predominantly C. cf. flagellaris,
David Moseley +13 more
wiley +1 more source
Testing and validation of DRIS for apple tree Calibração e validação do DRIS para macieira
Scientia Agricola, 2007 To evaluate three procedures of the calculation of DRIS indices, as well as the efficiency of DRIS as a method for the interpretation of apple tree leaf analyses.
Gilmar Ribeiro Nachtigall +1 more
doaj +1 more source
Mamoeiro: amostragem para diagnose foliar. [PDF]
, 2011 bitstream/CNPAT-2010/11923/1/It-004 ...
CRISÓSTOMO, L. A.
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Food and Energy Security, Volume 15, Issue 3, May/June 2026.ABSTRACT By 2050, the global population is projected to reach ~10 billion, leading to 50% increase in food demand. This growth will place immense pressure on agricultural systems that are already struggling with the impacts of climate change and resource depletion.
Chaquayla Katam +3 more
wiley +1 more source
Revista Brasileira de Ciência do Solo, 2010 A análise dos teores de nutrientes de folhas de soja é um dos métodos mais eficientes para avaliar o estado nutricional da lavoura. O objetivo deste estudo foi caracterizar a variabilidade espacial dos teores foliares de nutrientes e da produtividade da ...
Sidney Rosa Vieira +5 more
doaj +1 more source
Early Symptom Characterisation and Mitigation of Maize Lethal Necrosis Disease
Journal of Phytopathology, Volume 174, Issue 3, May/June 2026.ABSTRACT Maize (Zea mays) is a staple crop central to food security and livelihoods across sub‐Saharan Africa. In recent years, maize production in the region has been severely affected by maize lethal necrosis disease (MLND). First reported in Kenya in 2011, MLND has spread rapidly across eastern and central Africa, leading to significant yield ...
Patrick Yawo Kpai +5 more
wiley +1 more source
Avaliação do estado nutricional da soja Soybean nutritional status evaluation
Pesquisa Agropecuária Brasileira, 2006 O objetivo deste trabalho foi comparar os diagnósticos do estado nutricional de um conjunto de 111 lavouras comerciais de soja, pelos métodos: Sistema Integrado de Diagnose e Recomendação (DRIS) e Diagnose da Composição Nutricional (CND), com uso do ...
Eliane Oshiro Mocelin Urano +5 more
doaj +1 more source