Results 91 to 100 of about 15,380 (225)
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]
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]
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]
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
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]
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]
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
: 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]
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]
Crop Production/Industries,
Asher, Colin J. +2 more
core +1 more source

