Results 11 to 20 of about 1,111,211 (256)

Grape yield and must composition of ‘Cabernet Sauvignon’ grapevines with organic compost and urea fertilization

Revista de Ciências Agroveterinárias, 2018
Urea and organic compost are applied as a nitrogen (N) source in vineyards. The aim of this study was to evaluate the yield, total N content in the leaves and the must composition in grapevines with the application of organic compost and urea.
Gustavo Brunetto, Carlos Alberto Ceretta, George Wellington Bastos de Melo, Alcione Miotto, Paulo Ademar Avelar Ferreira, Rafael da Rosa Couto, Lincon Oliveira Stefanello da Silva, Luana Paula Garlet, Luiza Michelon Somavilla, Adriana Cancian, Vítor Gabriel Ambrosini   +10 more
doaj   +1 more source

Influência de nitrogênio e potássio, via fertirrigação, em atributos do solo, níveis críticos foliares e produção do coqueiro-anão Influence of N and K applied by fertirrigation on soil properties, critical leaf levels and yield of dwarf coconut

Revista Brasileira de Ciência do Solo, 2008
O plantio de coqueiro-anão irrigado, com o objetivo de produzir coco para aproveitamento de água, tem se expandido muito no Brasil. As maiores produtividades, obtidas sob irrigação, influenciam nas quantidades de N e de K requeridas pela planta, o ...
Lafayette Franco Sobral, Luis Carlos Nogueira   +1 more
doaj   +1 more source

Zinc Variability in Pecan Orchards: Implications for Leaf Sampling and Nutrient Recommendations

HortScience, 2022
Analysis of composite pecan leaf samples typically used to determine need for nutrient applications does not account for variability among trees in the sampled area.
Cyrus A. Smith, Dawn VanLeeuwen, Richard J. Heerema, Joshua D. Sherman, Mary J. Comeau, James L. Walworth   +5 more
doaj   +1 more source

High-resolution temporal profiling of transcripts during Arabidopsis leaf senescence reveals a distinct chronology of processes and regulation [PDF]

, 2011
Leaf senescence is an essential developmental process that impacts dramatically on crop yields and involves altered regulation of thousands of genes and many metabolic and signaling pathways, resulting in major changes in the leaf.
Breeze, Emily, Harrison, Elizabeth, McHattie, Stuart, Hughes, Linda Karen, Hickman, Richard J., Hill, Claire, Kiddle, Steven J., Kim, Youn-sung, Penfold, Christopher A., Jenkins, Dafyd J., Zhang, Cunjin, Morris, Karl, Jenner, Carol E., Jackson, Stephen D., Thomas, Brian, Tabrett, Alex, Legaie, Roxane, Moore, Jonathan D., Wild, David L., Ott, Sascha, Rand, D. A., Beynon, Jim, Denby, Katherine J., Mead, A., Buchanan-Wollaston, Vicky   +24 more
core   +2 more sources

Desenvolvimento de normas DRIS e CND e avaliação do estado nutricional da cultura do algodoeiro Development of dris and CND norms and evaluation of nutritional status of cotton

Revista Brasileira de Ciência do Solo, 2010
Entre os vários métodos de avaliação do estado nutricional das plantas, encontram-se o DRIS e o CND, os quais têm como objetivo, entre outros, ordenar a limitação dos nutrientes na planta.
Ademar Pereira Serra, Marlene Estevão Marchetti, Antonio Carlos Tadeu Vitorino, José Oscar Novelino, Marcos Antonio Camacho   +4 more
doaj   +1 more source

Approach to Petiole Sap Nutritional Diagnosis Method by Empirical Model Based on Climatic and Growth Parameters

Agronomy, 2020
The aim of this work is to evaluate the relationship between the nutrient concentration in petiole sap and different agronomic and climatic variables for a tomato crop grown in a greenhouse in Mediterranean conditions. In addition, the persistence of the
Alfonso Llanderal, Pedro García-Caparrós, José Pérez-Alonso, Juana Isabel Contreras, María Luz Segura, Juan Reca, María Teresa Lao   +6 more
doaj   +1 more source

Leaf Nutrient Status of Commercially Grown Strawberries in Latvia, 2014–2022: A Possible Yield-Limiting Factor

Plants, 2023
The present study was carried out to evaluate the leaf nutrient status of commercially grown strawberries in Latvia during 2014–2022. The results of N, P, K, Ca, Mg, S, Fe, Mn, Zn, Cu, Mo and B in 200 strawberry leaf samples from different strawberry ...
Anita Osvalde, Andis Karlsons, Gunta Cekstere, Laura Āboliņa   +3 more
doaj   +1 more source

Easy Leaf Area: Automated digital image analysis for rapid and accurate measurement of leaf area. [PDF]

, 2014
UnlabelledPremise of the studyMeasurement of leaf areas from digital photographs has traditionally required significant user input unless backgrounds are carefully masked.
Bloom, Arnold J, Easlon, Hsien Ming
core   +3 more sources

A flexible geometric model for leaf shape descriptions with high accuracy [PDF]

, 2018
Accurate assessment of canopy structure is crucial in studying plant-environment interactions. The advancement of functional-structural plant models (FSPM), which incorporate the 3D structure of individual plants, increases the need for a method for ...
Coussement, Jonas, De Swaef, Tom, Lootens, Peter, Roldàn-Ruiz, Isabel, Steppe, Kathy   +4 more
core   +2 more sources

Sufficiency ranges (sr) and deviation from optimum percentage (dop) references for leaf blade and petiole analysis in ‘Red Grenache’ grapevines

OENO One, 2015
Aim: To obtain specific references for the nutritional diagnosis of ten essential nutrients for leaf blade and petiole of ‘red Grenache’ (Vitis vinifera L.).
Ana Benito, Enrique García-Escudero, Izaskun Romero, Natalia Domínguez, Ignacio Martín   +4 more
doaj   +1 more source