Results 111 to 120 of about 50,518 (227)

Concentração de urânio em plantas desenvolvidas em solos agrícolas e de escombreira da área mineira da Cunha Baixa (Mangualde) Uranium concentration in plants developed on agricultural soils and waste dumps in Cunha Baixa mine site (Mangualde)

open access: yesRevista de Ciências Agrárias, 2010
Neste trabalho avalia-se e comparara-se a concentração e capacidade de bioconcentra­ção (CB) do urânio em diversas espécies vegetais (parte aérea) que se desenvolveram em solos de escombreira (Pinus pinaster, Cytisus striatus, Cytisus multiflorus) e ...
O. Neves, M.M. Abreu
doaj  

Identifikasi Telur Cacing Nematoda Yang Terdapat Pada Sayuran Sebagai Alternatif Media Pembelajaran Pada Konsep Invertebrata Kelas Nematoda Di SMA [PDF]

open access: yes, 2015
The aim of reseach was to determine of the eggs of various types of parasitic nematode worms found in vegetables and the results of this study is designed as an alternative medium of learning in the classroom invertebrates concept nematodes in February ...
Febrita, E. (Elya)   +2 more
core  

Effect of the anode material, applied current and reactor configuration on the atenolol toxicity during an electrooxidation process

open access: yesHeliyon
Atenolol (ATL) is a beta-blocker pharmaceutical product which is excreted mainly unchanged and may represent a long-term risk for organisms present in the sea and in fresh water.
M.T. Montañés   +4 more
doaj   +1 more source

Nitrato em alface e mobilidade do íon em solo adubado com composto de lixo urbano Nitrate in lettuce and ion mobility in soil fertilized with urban waste compost

open access: yesPesquisa Agropecuária Brasileira, 2005
A contaminação do meio ambiente por nitrato pelo uso agrícola do composto de lixo urbano tem sido pouco estudada. O objetivo deste trabalho foi avaliar o efeito da adubação com composto de lixo urbano no acúmulo de nitrato em alface, na mobilidade no ...
José Ricardo Mantovani   +2 more
doaj  

Silicon extends the shelf life of hydroponically grown lettuce

open access: yesScientific Reports
Lettuce (Lactuca sativa L.) is the most common leafy vegetable consumed by people around the world. In this study, we explored the influence of varying silicon (Si) concentrations (25, 50, 75, and 100 mg L−1) on hydroponically grown lettuce (Lactuca ...
Ammar A. Albalasmeh   +4 more
doaj   +1 more source

Pertumbuhan Tanaman Selada (Lactuca sativa L.) Secara Hidroponik Pada Media Pupuk Organik Cair Dari Kotoran Kambing Dan Kotoran Kelinci [PDF]

open access: yes, 2016
Dirt goat and rabbit droppings are types of animal waste utilization is not maximized. If the waste is treated both types can produce a liquid organic fertilizer which can be used in agriculture.
, Dra. Suparti M,Si, Indrianasari, Yesi
core  

Bioensayo de toxicidad aguda con plantas nativas para evaluar un derrame de petróleo

open access: yesRevista de Salud Ambiental, 2015
Los bioensayos con plantas constituyen una excelente herramienta en la evaluación del riesgo ambiental y, en particular, la utilización de semillas de plantas vasculares es recomendada debido a su mayor sensibilidad.
Vivien Pentreath   +4 more
doaj   +2 more sources

Adubação foliar com zinco para alface americana (Lactuca sativa L.) em cultivo de outono. [PDF]

open access: yes, 2017
Suplemento 1. Edição de Resumos expandidos e palestras do 43.
CARVALHO, J. G. de   +6 more
core  

Regeneration of Plants from Cell Suspensions of Lactuca saligna, Lactuca sativa, and Lactuca serriola

open access: yesHortScience, 1983
Abstract ‘Black Seeded Simpson’, ‘Buttercrunch’, and ‘New York 12’ lettuce.(Lactuca sativa L.), Plant Introductions (PI) 261653 of Lactuca saligna L., and Acc. No. 500–4 of L. serriola L. regenerated plants from cell suspensions originated from leaf callus. Liquid cultures of these Lactuca spp.
openaire   +1 more source

Productividad de lechuga (lactuca sativa l.) en condiciones de macrotúnel con tres niveles de fertilización. [PDF]

open access: yes, 2014
La investigación se realizó en la vereda San Felipe, en el municipio de Pasto-Nariño, en un suelo Vitric Haplustands; se evaluó la productividad de lechuga (Lactuca sativa L.) var. Batavia bajo condiciones de macrotúnel con tres niveles de fertilización:
Mora, Juan, Velàsquez, Pedro
core  

Home - About - Disclaimer - Privacy