Plant biostimulants

From the report “Agricultural uses of plant biostimulants“, of Pamela Calvo, Louise Nelson and Joseph W. Kloepper, published at Plant and Soil.   The definition and concept of plant biostimulants is still evolving, which is partly a reflection of the diversity of inputs that can be considered to be biostimulants . Plant biostimulants, or agricultural…

Cambios químicos ocasionados por encalamiento y lombrinaza

Del artículo “CAMBIOS QUÍMICOS OCASIONADOS POR ENCALAMIENTO Y USO DE LOMBRINAZA EN LA ETAPA DE ALMÁCIGO DEL CAFÉ“, de Carolina Díaz-Marín, Siavosh Sadeghian-Khalajabadi, Carmen Soledad Morales-Londoño, publicado en Cenicafé.   La acidez de los suelos afecta la disponibilidad de los nutrientes y el crecimiento de las plantas. Esta propiedad, la cual es medida a través…

Canopy reflectance data detects potassium deficiency and green peach aphid susceptibility

From the report “Unmanned aerial vehicle canopy reflectance data detects potassium deficiency and green peach aphid susceptibility in canola“, of Dustin Severtson, Nik Callow, Ken Flower, Andreas Neuhaus, Matt Olejnik, Christian Nansen, published at Precision agriculture. There is growing evidence that potassium deficiency in crop plants increases their susceptibility to herbivorous arthropods. The ability to remotely detect potassium deficiency in plants…

Caatinga e desertificacâo

Do artigo “CAATINGA E DESERTIFICAÇÃO“, de Bartolomeu Israel de Souza, Rafael Cámara Artigas, Eduardo Rodrigues Viana de Lima, publicada no Scielo. O Bioma Caatinga tem ocorrência exclusiva no Brasil, sendo sua área principal localizada na Região Nordeste, ocorrendo também em um pequeno trecho da Região Sudeste (norte do Estado de Minas Gerais), onde domina o…

Propiedades de suelos de cafetales bajo sombra y a plena luz solar

Del artículo “EVALUACIÓN DE PROPIEDADES FÍSICAS Y QUÍMICAS DE SUELOS ESTABLECIDOS CON CAFÉ BAJO SOMBRA Y A PLENA EXPOSICIÓN SOLAR“, de Diego Alejandro Cardona-Calle y Siavosh Sadeghian-Khalajabadi, publicado por Cenicafé.   La caficultura colombiana ha ido evolucionando en aspectos como el cambio de los cafetales tradicionales bajo sombra hacia sistemas más productivos a libre exposición…

Tomato allergy: impact of genotype and environmental factors on the response

From de report “Tomato allergy: impact of genotype and environmental factors on the biological response” of Sabine Dölle, Dietmar Schwarz, Karola Lehmann, Wolfram Weckerth, Eckhard George, Margitta Worm and Philip Franken, published in the Journal of the Science of Food and Agriculture. This study characterises the allergenic potential of tomatoes, considering cultivation conditions, developmental stages…

Effect of methods and time of poultry manure application on tomato

From the report «Effect of methods and time of poultry manure application on soil and leaf nutrient concentrations, growth and fruit yield of tomato (Lycopersicon esculentum Mill)» of A.O.Adekiya and T.M. Agbede, published at Journal of the Saudi Society of Agricultural Sciences. In order to obtain maximum economic value of plant nutrients in poultry manure…

Faune auxiliaire – Carabes

Du le report «FAUNE AUXILIAIRE. ET SI LES CARABES POUVAIENT CONTRÔLER LE SALISSEMENT?» de Cécile WALIGORA , publié dans Agriculture de conservation. Les carabes ne sont pas que des mangeurs de limaces. C’est une aide déjà bien appréciée mais ces auxiliaires méritent encore davantage ce qualificatif parce que nombre d’entre eux consomment des graines au…