Results 61 to 70 of about 15,036 (184)

Nutrient Disorders of Sweet Potato [PDF]

open access: yes
Crop Production/Industries,
Asher, Colin J.   +2 more
core   +1 more source

Prediction of palm-tree ganoderma affection degree by reflectance spectroscopy: Proposed methodology [PDF]

open access: yes, 2009
The aim of this study was thus to test the relevance of statistical methods to detect the variations in spectral signature of oil-palm trees correlated to Ganoderma disease, a fungus responsible of high loss of yield and trees in palm groves.
Caliman, Jean-Pierre   +2 more
core  

Diagnose foliar da soja em sistema plantio direto utilizando técnicas de agricultura de precisão em Carambeí, PR. [PDF]

open access: yes, 2016
A diagnose foliar foi desenvolvida para fornecer informações sobre o estado nutricional das plantas e servir de orientação para o manejo de nutrientes visando produtividades ótimas.
BERNARDI, A. C. de C.   +6 more
core   +1 more source

Foliar indices for carrot crop using the compositional nutrient diagnosis method

open access: yesPesquisa Agropecuária Tropical, 2017
A cenoura é uma cultura com potencial de alto rendimento, o qual requer manejo nutricional adequado e ajustável, com base nas necessidades e demandas de cada safra. A diagnose foliar é ferramenta para ajuste e constante aprimoramento de programas de adubação das culturas.
Silva, Frederico Dellano Souza   +4 more
openaire   +2 more sources

Dynamics of agrarian landscapes in Western Thailand : Agro-ecological zonation and agricultural transformations in Kanjanaburi Province: hypotheses for improving farming systems sustainability [PDF]

open access: yes, 1994
Ce document traite de la zonation agroécologique à petite échelle, comme outil essentiel dans la recherche orientée sur les systèmes agraires en vue du développement. Ces systèmes sont définis comme modes d'exploitation adaptés à l'environnement (naturel
Castella, Jean-Christophe   +4 more
core  

Effect of Cultivar on Chlorophyll Meter and Canopy Reflectance Measurements in Cucumber [PDF]

open access: yes, 2020
Optical sensors can be used to assess crop N status to assist with N fertilizer management. Differences between cultivars may affect optical sensor measurement.
De Souza, Romina   +5 more
core   +1 more source

Normas DRIS multivariadas para avaliação do estado nutricional de laranjeira 'Pera' no estado do Amazonas. [PDF]

open access: yes, 2017
Para utilização da diagnose da composição nutricional ou do sistema integrado de diagnose e recomendação de relações multivariadas (DRIS) na avaliação do estado nutricional de laranjeira, faz-se necessário a definição de valores de referência que sejam ...
DIAS, J. R. M.   +4 more
core  

Foliar diagnosis of common arrowroot propagated by different forms and fertilized with biofertilizer

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
ABSTRACT Arrowroot (Maranta arundinaceae) is a unconventional food plant (UFP) that has relevant nutritional properties. However, few studies on the species regarding its forms of propagation and its nutrition have been performed. In parallel, biofertilizer provides nutrients and stimulates the development of species, as it promotes improvements in ...
Ana K. B. Lima   +9 more
openaire   +1 more source

Leaf, tree and soil properties in a Eucalyptus saligna forest exhibiting canopy decline [PDF]

open access: yes, 2013
The extent of eucalypt decline in moist coastal forests of south-eastern Australia is increasing with resultant losses in biodiversity and productivity. This survey aimed to identify factors associated with the decline of Eucalyptus saligna (Sydney Blue ...
Simpson, Jack A., Stone, Christine
core  

Occurrence of the Old World bug Megacopta cribraria (Fabricius) (Heteroptera: Plataspidae) in Georgia: a serious home invader and potential legume pest [PDF]

open access: yes, 2010
Specimens of Megacopta cribraria (Fabricius) were collected in northern Georgia in late October 2009, where they were invading homes in large numbers.
Ames, Lisa M.   +5 more
core  

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