Results 41 to 50 of about 140,480 (206)

Diagnose nutricional de cafeeiros da região do Alto Jequitinhonha (MG): normas dris e faixas críticas de nutrientes Nutritional diagnosis of coffee plantations in the Upper Jequitinhonha Valley, Minas Gerais State, Brazil: dris norms and critical nutrient ranges

Revista Brasileira de Ciência do Solo, 2009
As normas do Sistema Integrado de Diagnose e Recomendação (DRIS) ainda não foram estabelecidas para a cultura do café do Alto Jequitinhonha, MG, o que impede que o DRIS seja aplicado nos cafeeiros da região. A diagnose foliar, mediante o uso do DRIS e de
Múcio Mágno de Melo Farnezi, Enilson de Barros Silva, Paulo Tácito Gontijo Guimarães   +2 more
doaj   +1 more source

Foliar P Application Cannot Fully Restore Photosynthetic Capacity, P Nutrient Status, and Growth of P Deficient Maize (Zea mays L.)

Plants, 2022
The essential plant nutrient phosphorus (P) is key for numerous structures and processes in crops and its deficiency can severely restrict yield and quality.
Jon Niklas Henningsen, Bruno Maximilian Görlach, Victoria Fernández, Jasper Lauritz Dölger, Andreas Buhk, Karl Hermann Mühling   +5 more
doaj   +1 more source

The Evolution of Fungicide Resistance Resulting from Combinations of Foliar-Acting Systemic Seed Treatments and Foliar-Applied Fungicides: A Modeling Analysis

PLOS ONE, 2016
For the treatment of foliar diseases of cereals, fungicides may be applied as foliar sprays or systemic seed treatments which are translocated to leaves. Little research has been done to assess the resistance risks associated with foliar-acting systemic seed treatments when used alone or in combination with foliar sprays, even though both types of ...
Kitchen, J. L., Van Den Bosch, F., Paveley, N. D., Helps, J., Van Den Berg, F.   +4 more
openaire   +4 more sources

Nitrogen addition mediates the response of foliar stoichiometry to phosphorus addition: a meta-analysis

Ecological Processes, 2021
Background Changes in foliar nitrogen (N) and phosphorus (P) stoichiometry play important roles in predicting the effects of global change on ecosystem structure and function.
Chengming You, Changhui Peng, Zhenfeng Xu, Yang Liu, Li Zhang, Rui Yin, Lin Liu, Han Li, Lixia Wang, Sining Liu, Bo Tan, Paul Kardol   +11 more
doaj   +1 more source

Assessment of Sources and Pollution Level of Airborne Toxic Metals through Foliar Dust in an Urban Roadside Environment

Asian Journal of Atmospheric Environment, 2023
Concentrations of 19 elements (Al, Fe, Ca, K, Mg, Na, S, Ti, Ba, Sr, Zn, V, Cu, Mn, Cr, Pb, Ni, Co, and Cd) in foliar dust samples were determined from 6 different roadside locations of Bilaspur city (Chhattisgarh), India.
Triratnesh Gajbhiye, Tanzil Gaffar Malik, Chang-Hee Kang, Ki-Hyun Kim, Sudhir Kumar Pandey   +4 more
doaj   +1 more source

Optimizing crop loading of apples and pears - results 2004-2006 (foliar fertilizers, thinning) [PDF]

, 2008
Main topics of the research-project FuE 03OE088 of “Bundesprogramm Ökologischer Landbau” (30.04.2004-31.12.2006) were the testing of foliar fertilizers in organic apples and pears, optimizing lime sulphur for blossom thinning, looking for alternatives ...
Eis, B., Fieger-Metag, N., Pfeiffer, B., Zimmer, J.   +3 more
core  

Inhibition of Xanthomonas fragariae, Causative Agent of Angular Leaf Spot of Strawberry, through Iron Deprivation. [PDF]

, 2016
In commercial production settings, few options exist to prevent or treat angular leaf spot (ALS) of strawberry, a disease of economic importance and caused by the bacterial pathogen Xanthomonas fragariae.
Gebben, Samantha J, Henry, Peter M, Leveau, Johan HJ, Tech, Jan J, Yip, Jennifer L   +4 more
core   +2 more sources

Níveis críticos e faixas de suficiência nutricional em laranjeira-pêra na Amazônia Central obtidas pelo método DRIS Critical levels and nutrient sufficiency ranges in orange of the Central Amazon determined by DRIS method

Acta Amazonica, 2013
A avaliação do estado nutricional da laranjeira depende da definição de valores de referência que sejam adequados para refletir suas condições nutricionais.
Jairo Rafael Machado Dias, Carlos Alberto Franco Tucci, Paulo Guilherme Salvador Wadt, Aldilane Mendonça da Silva, José Zilton Lopes Santos   +4 more
doaj  

Physiological and Biochemical Responses of ‘Burlat’ Sweet Cherry to Pre-Harvest Foliar Application of Calcium and Seaweed Extracts

Horticulturae
Sweet cherry (Prunus avium L.) is a highly valued fruit, and optimal nutrient management is crucial for enhancing yield and fruit quality. However, the over-application of chemical fertilizers in cherry cultivation leads to environmental issues such as ...
Sandra Pereira, Vânia Silva, Francisco Guedes, Fernando Raimundo, João Ricardo Sousa, Ana Paula Silva, Berta Gonçalves   +6 more
doaj   +1 more source

Variation of Foliar Content of Nutriments of Gmelina arborea in the Counties of Osa, Golfito and Corredores, Costa Rica

Ciencias Ambientales, 2015
We assessed the variation of foliar nutriments concentration in 12 plantations of G. arborea (melina) with ages between 1-12 years old, of the Cantons of Osa, Golfito and Corredores in Costa Rica.
María José Avellán-Zumbado, Rafael Murillo-Cruz, Alfredo Alvarado-Hernández, Carlos Ávila-Arias   +3 more
doaj   +1 more source