Results 71 to 80 of about 1,097,995 (309)

Controlling banana bunchy top disease in Benin: Crop protection strategies with socio‐economic perspectives

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Banana and plantain are vital for food security and income in West Africa, yet banana bunchy top virus (BBTV) threatens production. This study combined remote sensing, field surveys, modelling and socio‐economic analysis to assess BBTV spread and control strategies in Benin.
Renata Retkute   +13 more
wiley   +1 more source

Plantas-curativas plantas-aromáticas

open access: yesLa Granja: Revista de Ciencias de la Vida, 2006
A lo largo de la historia, en el nacimiento de la Botánica, surgió como idea de una posible clasificación de los vegetales o plantas en general. El uso que se debe a las plantas fue el primer planteamiento de una clasificación del reino vegetal. Es así que por el año 1.700 se pudo separar a las plantas que tenían una bondad curativa y a aquellas que ...
openaire   +1 more source

Performance and efficiency in Colombia's power utilities: an assessment of the 1994 reform [PDF]

open access: yes
This paper describes the core features of the power sector 1994 regulatory reform and evaluates utility performance and efficiency before and after the reform.
Carlos Pombo, Rodrigo Taborda
core  

Efecto de altas concentraciones de arsénico y flúor en el suelo sobre plantas de soja [PDF]

open access: yes, 2015
Arsénico (As) y Fluor (F) están presentes en muchos suelos, afectando a los cultivos y presentando riesgos en la cadena alimenticia. Nosotros llevamos a cabo un experimento en macetas con suelo enriquecido en ambos elementos, en un amplio rango de ...
Balestrasse, Karina Beatriz   +2 more
core   +1 more source

Open letter: The need for a site‐based biodiversity standard measuring and certifying impacts from nature‐based projects

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Despite growing investment in restoration, weak accountability and poor biodiversity monitoring mean many projects fail to achieve ecological recovery. The Global Biodiversity Standard (TGBS) offers a practical way to ensure that restoration finance delivers measurable gains for nature.
David Bartholomew   +254 more
wiley   +1 more source

Poplars mother stocks : cuttings production at Chacras de Coria [PDF]

open access: yes, 1998
Las Salicáceas se multiplican principalmente por estacas que se pueden obtener de distintas fuentes. Entre ellas, plantas madres en huertos clonales dedicados específicamente a ese fin. En la región cuyana, durante los últimos años, se han incorporado
Arreghini, Rosa I.   +2 more
core  

Temporal and spatial variation of limnological variables and biomass of different macrophyte species in a Neotropical reservoir (São Paulo - Brazil) [PDF]

open access: yes, 2013
Aim: This study reports an investigation of limnological characteristics and aquatic macrophyte occurrence in a neotropical reservoir in order to assess the spatio-temporal variation of water and sediment variables and their influence on plant ...
Bottino, Flávia   +2 more
core   +2 more sources

The shared benefits of fallen fruits: A novel mechanism stabilizing a nursery pollination mutualism between Sambucus and kateretid beetles

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Understanding how cooperative interactions remain stable matters for biodiversity because many plants rely on specialist insects that can also impose reproductive costs. We studied the interaction between Sambucus sieboldiana and seed‐consuming Heterhelus beetles through detailed field observations and pollination experiments.
Suzu Kawashima   +3 more
wiley   +1 more source

Aspectos de la historia de la vegetación de México con base en macrofósiles de angiospermas

open access: yesBotan‪ical Sciences, 1996
La historia de la vegetación de México es conocida principalmente con base en extrapolaciones basadas en la flora actual y/o conocimiento paleobotánico realizado en otros países.
Sergio R.S. Cevallos-Ferriz   +1 more
doaj   +1 more source

Desenvolvimento e acúmulo de macronutrientes em plantas de milho biofertilizadas com manipueira. [PDF]

open access: yes, 2013
Objetivou-se, neste estudo, avaliar o desenvolvimento vegetativo e o acúmulo de macronutrientes em plantas de milho submetidas às doses de manipueira. O experimento foi conduzido em ambiente protegido no período de março a maio de 2011.
Barreto, Marcela T. L.   +5 more
core   +3 more sources

Home - About - Disclaimer - Privacy