Results 91 to 100 of about 15,380 (225)

Estado nutricional de mangueiras determinado pelos métodos DRIS e CND Nutritional status of mango determined by DRIS and CND methods

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2013
Diferentes procedimentos referentes do método do sistema integrado de diagnose e recomendação podem influenciar a acurácia da diagnose foliar da mangueira.
Lucas S. Politi   +5 more
doaj  

Aspectos gerais sobre a nutrição mineral da Pereira Rocha. [PDF]

open access: yes, 2001
A pereira Rocha ocupa cerca de 75% da área de pereiral cultivada em Portugal (INE, 1993) assumindo particular importância na Região do Oeste, nos concelhos de Torres Vedras, Bombarral, Cadaval, Lourinhã, Óbidos, Caldas da Rainha e Alcobaça. Trata-se de
Calouro, F.
core  

Interpretação de resultados de análise foliar. [PDF]

open access: yes, 2011
Nesta publicação, são apresentados alguns métodos de interpretação da análise foliar e seus respectivos fundamentos teóricos. Espera-se que os aspectos abordados contribuam para o melhor entendimento desta importante ferramenta de avaliação do estado ...
ALVAREZ V. V. H.   +2 more
core  

Relationships between soil class and nutritional status of coffee plantations. [PDF]

open access: yes, 2019
Farm planning requires an assessment of the soil class. Research suggest that the Diagnosis and Recommendation Integrated System (DRIS) has the capacity to evaluate the nutritional status of coffee plantations, regardless of environmental conditions ...
WADT, P. G. S.
core   +1 more source

Dris norms for the rubber clone fx3864 in the eastern plains of Colombia

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2013
The present study aimed to establish the preliminary diagnosis and recommendation integrated system (DRIS) norms for the rubber tree clone FX3864 (Hevea brasiliensis) under the conditions of the Colombian Eastern Plains for the elements N, P, K, Ca, Mg ...
Edinson Chacón Pardo   +2 more
doaj   +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  

A new record of fossil wood of Vochysiaceae from the Upper Pleistocene (Arroyo Feliciano Formation), Argentina, South America [PDF]

open access: yes, 2015
A new species of Qualeoxylon Suguio & Mussa is described from the Late Pleistocene Arroyo Feliciano Formation of the Gualeguay Basin on eastern Argentina.
Brea, Mariana, Moya, Eliana Vanesa
core   +1 more source

DRIS standard and normal ranges of foliar nutrients for the culture of ‘Thompson’ atemoya

open access: yesCiência Rural
: Atemoya, an interspecific hybrid belonging to Annonaceae family, is the outcome of a cross between cherimoya (Annona cherimola Mill.) and Custard apple (Annona squamosa L.).
Eduardo Maciel Haitzmann dos Santos   +1 more
doaj   +1 more source

DRIS norms validation for sugarcane crop [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2003
The objectives of this study were to evaluate the relationship between the diagnosis and recommendation integrated system (DRIS) indices and foliar nutrient concentrations, to establish optimum foliar nutrient concentrations with DRIS and to validate the
Roberto dos Anjos Reis Junior   +1 more
doaj  

Nutrient Disorders of Sweet Potato [PDF]

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

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