Results 31 to 40 of about 773,277 (195)

Evolución del radio de una cavidad esférica en un emisor subsuperficial [PDF]

open access: yes, 2009
Una de las desventajas del riego subsuperficial es que el caudal del emisor puede verse afectado por las características del suelo. Esto sucede porque se genera una presión positiva a la salida del emisor.
Gil Rodríguez, María   +3 more
core  

Plant Variety Registration in Transition: Opportunities for Innovation and Reform in The European Union Enregistrement des variétés végétales en transition : opportunités d’innovation et de réforme dans l’Union européenne Die Registrierung von Pflanzensorten im Wandel: Chancen für Innovation und Neugestaltung in der Europäischen Union

open access: yesEuroChoices, EarlyView.
Summary Modernising the European Union’s plant variety registration system is critical to enabling the development and adoption of sustainable, climate‐resilient varieties aligned with the EU Farm‐to‐Fork Strategy. However, the current system is outdated and under increasing pressure. While legislative reform is underway, key points of divergence among
Sergio Urioste Daza   +2 more
wiley   +1 more source

USE OF ENZYME ACTIVITIES TO MONITOR POLLUTION OF AGRICULTURAL LAND

open access: yesEQA, 2017
Concern about environmental pollution has grown in the last few decades, amongst both specialists in the field and society at large. This concern is reflected in thenumerous studies that have been published on this topic in recent years.
Carmen Trasar Cepeda   +2 more
doaj   +1 more source

Las malas hierbas como bioindicadores del suelo: Cómo muestrear y usar los datos [PDF]

open access: yes, 2017
Esta ficha técnica describe cómo las especies de malas hierbas pueden ser utilizadas como bioindicadores de las condiciones del suelo, relacionándolas con las características del suelo (como pH o textura)y al manejo del suelo (como el uso del agua, falta
Barberi, Paolo, Carlesi, Stefano
core  

Enabling conditions for conservation on Indigenous and community lands

open access: yesConservation Biology, EarlyView.
Abstract Despite increasing evidence and general acceptance in global environmental policy of the significant role of Indigenous Peoples and local communities (IP&LC) in biodiversity conservation and climate change mitigation, an implementation gap remains between global policy and how conservation plays out on the ground.
Stephanie Brittain   +3 more
wiley   +1 more source

Soil and leaf litter ants from the Amazon Region offer new distribution records for Colombia [PDF]

open access: yesBiodiversity Data Journal
The Colombian Amazon is a region of remarkable biodiversity; however, several biological groups and their microhabitats remain poorly explored. Recent studies on soil ant diversity have provided new records and insights into their biology.
Brandon S. Arredondo   +5 more
doaj   +3 more sources

Exploring the formation of public acceptability of biodiversity offsetting in Finland

open access: yesConservation Biology, EarlyView.
ABSTRACT Public acceptance of nature conservation instruments is critical for their effective and fair implementation. Understanding conservation governance as a rational activity aligns with the view that citizens base their judgments of conservation instruments on a critical evaluation of the anticipated ecological, economic, and social impacts ...
Tuija Seppälä   +6 more
wiley   +1 more source

Límites críticos internos y externos en condiciones de organopónicos con el uso de la cachaza como abono orgánico.

open access: yesAgrisost, 2013
Resumen. Se llevó a cabo un estudio con el objetivo de lograr mayor precisión en la fertilización de los sustratos y obtener a su vez incrementos sostenidos de los rendimientos, sin que se deterioren los mismos además lograr plantas bien nutridas; para ...
Mirna Vento Pérez   +2 more
doaj   +2 more sources

Quantification of Bacterial Polyhydroxybutyrate Content by Flow Cytometry

open access: yesBio-Protocol, 2017
We describe here a detailed protocol for the quantification of the intracellular content of polyhydroxybutyrate (PHB) in a population of bacterial cells by flow cytometry, which is based on a consensus of several previously reported works.
Antonio Lagares Jr., Claudio Valverde
doaj   +1 more source

Stocks de carbono del suelo en cuatro sistemas de pasturas del trópico seco colombiano [PDF]

open access: yes, 2017
El suelo es el mayor reservorio de Carbono (C) en los ecosistemas terrestres, se estima que almacena cerca de 1500 gigatoneladas (Gt). Este C almacenado en el suelo, está relacionado con la composición de las plantas, ingreso de la materia orgánica ...
Arango, Jacobo   +5 more
core   +1 more source

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