Results 31 to 40 of about 15,380 (225)

Tamanho da amostra foliar para avaliação do estado nutricional de goiabeiras com e sem irrigação Ideal size of leaf sample for nutritional state evaluation of guava under irrigated and unirrigated cultivation

Revista Brasileira de Engenharia Agrícola e Ambiental, 2009
A precisão do tamanho ideal da amostra foliar determina a otimização de mão-de-obra, e diminui erros inerentes ao laudo de diagnose do estado nutricional.
Danilo E. Rozane, William Natale, Renato de M. Prado, José C. Barbosa   +3 more
doaj   +1 more source

Nutrient Diagnosis Norms for Date Palm (Phoenix dactylifera L.) in Tunisian Oases

Agronomy, 2020
Several studies have pointed out the promising use of nutritional diagnosis methods for the determination of optimum nutrient contents in plant tissues.
Mouna Bendaly Labaied, Lotfi Khiari, Jacques Gallichand, Fassil Kebede, Nabila Kadri, Nouha Ben Ammar, Foued Ben Hmida, Mehdi Ben Mimoun   +7 more
doaj   +1 more source

Determinação de teores ótimos de nutrientes em soja pelos métodos chance matemática, sistema integrado de diagnose e recomendação e diagnose da composição nutricional Determination of optimal nutrient contents for soybean by the mathematical chance, diagnosis and recommendation integrated system and compositional nutrient diagnosis methods

Revista Brasileira de Ciência do Solo, 2007
Diversos estudos têm demonstrado o uso promissor de métodos de diagnose nutricional para definição de teores ótimos e níveis críticos de nutrientes em tecidos vegetais.
Eliane Oshiro Mocelin Urano, Carlos Hissao Kurihara, Shizuo Maeda, Antonio Carlos Tadeu Vitorino, Manoel Carlos Gonçalves, Marlene Estevão Marchetti   +5 more
doaj   +1 more source

Detection of multi-tomato leaf diseases (late blight, target and bacterial spots) in different stages by using a spectral-based sensor. [PDF]

, 2018
Several diseases have threatened tomato production in Florida, resulting in large losses, especially in fresh markets. In this study, a high-resolution portable spectral sensor was used to investigate the feasibility of detecting multi-diseased tomato ...
de Castro, Ana Isabel, Ehsani, Reza, Lu, Jinzhu, Shi, Yeyin, Wang, Shuang   +4 more
core   +2 more sources

ORGANIC FERTILIZATION OF OLIVE TREE BASED ON SOIL ANALYSIS AND FOLIAR DIAGNOSIS: A CASE STUDY OF AN OLIVE ORCHARD IN THE NORTHWEST OF TUNISIA

Journal of Fundamental and Applied Sciences, 2015
The present study aims at developing an organic fertilization program of an olive orchard located in the North-west of Tunisia. Soil analyses showed an acceptable level of P2O5 and K2O in the soil of the studied farm.
K. Ibrahimi, F. Gaddas
doaj   +1 more source

Diagnosis and Recommendation Integrated System (DRIS) approach on Nutritional Diagnosis in Fruit crops- A Review [PDF]

, 2016
Diagnosis and Recommendation Integrated System (DRIS) is widely used statistical approach for interpretation of the plant tissue analysis data and to diagnose the plant nutreint needs much earlier than the reduction of crop yield with greater accuracy ...
Devi, M. Thoithoi, Mishra, Gaurav, Ngangom, Bidyapati, R, Krishnappa, Rawat, Deepa, Savita, Savita, Srivastava, P. C.   +6 more
core   +2 more sources

Preliminary Surveys on the Diagnosis of Tea Plant by the Foliar Analysis

Chagyo Kenkyu Hokoku (Tea Research Journal), 1958
For establishing the sampling method of foliar analysis by which the tea plant was diagnosed, the variations of inorganic constituents (ash, N, P2O5, K2O, CaO, etc.) of tea leaves in the year, region, variety, and development in the first. season were determined.The annual variation : At the middle of every month, the mature leaves of two varietics ...
Hideichi TORII, Isao ÔTA
openaire   +2 more sources

Normas DRIS para cupuaçuzeiro cultivado em monocultivo e em sistemas agroflorestais DRIS norms for cupuaçu trees cultivated in monocultures and in agroforestry systems

Pesquisa Agropecuária Brasileira, 2010
O objetivo deste trabalho foi avaliar a performance de normas DRIS específicas ou gerais no diagnóstico do estado nutricional do cupuaçuzeiro (Theobroma grandiflorum), na Amazônia Sul-Ocidental. Amostras foliares de cupuaçu foram coletadas de 153 pomares
Jairo Rafael Machado Dias, Daniel Vidal Perez, Lucielio Manoel da Silva, Cleigiane de Oliveira Lemos, Paulo Guilherme Salvador Wadt   +4 more
doaj   +1 more source

DRIS norms for 'Valencia' sweet orange on three rootstocks Normas DRIS para laranjeira 'Valência' sobre três porta-enxertos

Pesquisa Agropecuária Brasileira, 2003
Diagnosis and Recommendation Integrated System (DRIS) applies nutrient ratios instead of the isolated concentration values of each nutrient in interpretation of tissue analysis.
Francisco de Assis Alves Mourão Filho, João Carlos Azevedo   +1 more
doaj   +1 more source

Rapid Prediction of Nutrient Concentration in Citrus Leaves Using Vis-NIR Spectroscopy

Sensors, 2023
The nutritional diagnosis of crops is carried out through costly foliar ionomic analysis in laboratories. However, spectroscopy is a sensing technique that could replace these destructive analyses for monitoring nutritional status.
Maylin Acosta, Ana Quiñones, Sandra Munera, José Miguel de Paz, José Blasco   +4 more
doaj   +1 more source