Nutrient deficiencies in export tree and food crops: literature review and field observations [PDF]
, 2001 This paper reviews nutrient deficiencies in agricultural crops of PNG using the literature of agronomic trials and field observations made throughout the country.
Bourke, R.M., Hartemink, A.E.
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Applied AI Letters, Volume 7, Issue 1, February 2026.Proposed model achieves 99.14% accuracy with near‐perfect precision, recall, and F1 across all classes; Grad‐CAM visualizations confirm focus on biologically relevant symptom‐associated regions. ABSTRACT For identifying foliar diseases in crops at an early stage, accurate detection is necessary in maintaining food security, minimizing economic losses ...
MD Jiabul Hoque, Md. Saiful Islam
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Metabolismo del calcio en frutales. Investigación realizada en la Estación Experimental de Aula Dei [PDF]
, 2002 4 Pags.- 2 Figs.La deficiencia de calcio en fruto tiene importantes repercusiones en especies frutales y hortícolas. Así, en manzano, las alteraciones de la nutrición cálcica originan el bitter pit y plara, fisiopatías que junto con el escaldado merman
Aznar Antoñanzas, Yolanda +7 more
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Late blight on potato in Flanders, Belgium: field trials and characteristics of the Phytophthora infestans population [PDF]
, 2004 Commercial fungicides were tested in the field for efficacy on foliar late blight caused by Phytophthora infestans. The fungicide treatments for late blight control were conducted at either 7- or 10-day intervals.
Haesaert, Geert, Heremans, Betty
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Informe DRIS (Diagnosis and Recommendation Integrated System) [PDF]
, 2002 Obtención de normas para el análisis foliar del olivo en Jaén según “Diagnosis and Recommendation Integrated System” (DRIS) partiendo de la base de datos de FERTIBERIA.
García-Serrano, P. +4 more
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Aspectos gerais sobre a nutrição mineral da Pereira Rocha. [PDF]
, 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.
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Relationships between soil class and nutritional status of coffee plantations. [PDF]
, 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.
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Antecipação do período de diagnose foliar em laranjeira 'Pêra' no Amazonas. [PDF]
, 2019 O objetivo deste trabalho foi avaliar a possibilidade de se antecipar o período de realização da diagnose foliar em laranjeira 'Pêra'. Vinte e sete pomares representativos da região produtora de laranja do Estado do Amazonas foram monitorados durante o ...
DIAS, J. R. M. +6 more
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Occurrence of potassium location in oil palm tissues with reserve sugars: consequences for oil palm K status determination [PDF]
, 2014 In some fertilizer trials for oil palm, it is observed that potassium leaf content was not in concordance with potassium application. In some cases no "leaf" response is observed (leaflet potassium content from leaf rank 17 according to specific LD IRHO ...
Gérardeaux, Edward +3 more
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A Novel Foliar Color Model for Nitrogen Deficiency Diagnosis of Rubber Trees
AASRI Procedia, 2012 Abstract The foliar color pattern under the stress of nitrogen deficiency varies usually in a uniformly distributed way, so it seems reasonable to fabricate a detection index directly using the averaged value or any of the relative form of its color components.
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