Results 51 to 60 of about 27,062 (211)
AgriculturePlastic greenhouses play an important role in vegetable cultivation in China. While evaluations have attributed perfluoroalkyl acid contamination in greenhouse vegetables primarily to irrigation water, the potential contribution from greenhouse plastic ...
Yiran Zhou +4 more
doaj +1 more source
Egyptian Journal of Biological Pest Control, 2019 In greenhouses, tomato plants are subject to attack by several pest species. The present study aimed to investigate the compatibility of releasing the egg parasitoid, Trichogramma euproctidis (Girault) (Hymenoptera: Trichogrammatidae), and the ...
D. Adly, Gehan M. Nouh
doaj +1 more source
Mapping Greenhouse Plastic Wastes in the West Region of Portugal [PDF]
, 2017 Plastic materials are used in many applications in agriculture, as greenhouse and tunnel covering films, direct coverings, shading and protective nets, irrigation pipes, fertilizers bags, pots and others.
Baptista, Fátima de Jesus +4 more
core
The spatial analysis for Greenhouses in province Baghdad
مجلة كلية التربية للبنات, 2019 Greenhouses are provide that produce of vegetable in non times seasons production by controlling the various environmental factors that appropriate atmosphere in temperature and humidity for the growth of plants in the plastic houses and owner plastic ...
رباب جبار صبر
doaj
Climate and Yield in a closed greenhouse [PDF]
, 2008 The so-called closed greenhouse (closed ventilation windows) is a recent innovation in Dutch greenhouse industry. The technical concept consists of a heat pump, underground (aquifer) seasonal energy storage as well as daytime storage, air treatment units
Bakker, M.J. +3 more
core +2 more sources
Evaluating Plant Brushing as a Strategy for Height Control in Edible Crop Species [PDF]
, 2018 Greenhouse growers producing edible crops can encounter specific challenges when optimizing growing conditions. One challenge is soft growth associated with rapid tissue expansion. Soft growth can lead to plants falling over or soft, floppy leaves. These
Birnstihl, Dan
core +1 more source
Matching commercial thrips predating phytoseids with the highly diversified climatic conditions of different strawberry production systems [PDF]
, 2017 Flower inhabiting thrips (Order: Thysanoptera) are a major threat to fruit quality in strawberry production around the world. As chemical control is often inefficient, alternative control measures are of broad and current interest.
Beliën, T +10 more
core +2 more sources
Biological control of Trialeurodes vaporariorum by Encarsia formosa on tomato in unheated greenhouses in the high altitude tropics [PDF]
Biological control of Trialeurodes vaporariorum (Westwood) by Encarsia formosa Gahan was tested during three consecutive production cycles (16-28 weeks) on a beef tomato (Solanum lycopersicum L.) crop in a glasshouse and a plastic greenhouse on the ...
Lenteren, J.C., van, Vis, R.M.J., de
core +1 more source
Energy Efficiency in Greenhouse Evaporative Cooling Techniques: Cooling Boxes versus Cellulose Pads [PDF]
, 2014 Evaporative cooling systems using a combination of evaporative pads and extractor fans require greenhouses to be hermetic. The greatest concentration of greenhouses in the world is located in southeast Spain, but these tend not to be hermetic structures ...
Franco Salas, Antonio +2 more
core +1 more source
Environmental Chemistry and EcotoxicologyGreenhouses are exposed to multiple sources of antibiotic pollution. As plastics are prone to colonization by microorganisms and upon their exposure to antibiotics within greenhouses, greenhouse plastic waste may act as a reservoir and vector for ...
Juan Manuel Valenzuela-Lázaro +6 more
doaj +1 more source