The release of large amounts of greenhouse gases, such as carbon dioxide, into the atmosphere traps heat ... Governments, organizations, and individuals need to work together to reduce greenhouse gas emissions, ... Renewable energy sources have a much lower carbon footprint and do not contribute to the release of greenhouse
(1995) were applied to check the new greenhouse systems. ... The new greenhouse system can be used to make simple and economic plant factory. ... 본 연구는 한국형 온실 표준설계도 및 Greenhouse Structure Design Manual(1999)에 의거하여 최대설계 하중을 받는 와이드스팬형파 2-bay벤로형 온실시스템에
For this purpose, the double- wall greenhouse and system which could automatically supply and discharge ... Therefore, it was proved that the insulating ability of the double - wall greenhouse in nighttime was ... However, the inside temperature of the double - wall greenhouse with insulated area 73% was higher than
Total fruit yield per l0a greenhouse in a greenhouse with the new double air duct system was 4,616 kg ... , 13 ~ 15℃ between the front and the rear side of a greenhouse. ... increase as compared to that in a greenhouse with a conventional air duct system.
This research investigates the greenhouse heat loss according to the wind environment at target areas ... Data were collected in the range of 0~180o considering the symmetry of the shape of the greenhouse. ... In this study, eleven major coastal areas were selected and the climate environment and the greenhouse
Its content was 1.2 times higher in greenhouse than that of open field. ... Mineral contents including P, Ca, Mg and Fe were significantly increased in greenhouse. ... such as lateral bud in open field, apical bud in open field, and apical bud in greenhouse, in turn.
The 4 categories are the structural factor of greenhouse, equipment factor of greenhouse, cultivation ... This study aimed to develop the comprehensive indicators which can be used for evaluating greenhouse ... newly developed evaluation indicators through this study will play an important role in developing new greenhouse
Tomato greenhouse has been equipped with rack-pinion type roof vents which have been used in glass greenhouse ... This study aimed to develop the multi-span plastic greenhouse which is suitable for tomato cultivation ... This vent type is different from that of 1-2 W type greenhouse which is made by rolling up and down the
In order to verify the usability of the greenhouse for aquaculture with nutrient culture synchronously ... Between above two greenhouses, pH and EC of nutrient solution was same but the temperature different ... Net assimilation rate of vegetables in the greenhouse was a little higher for aquaculture with nutrient
The behavior of the greenhouse was quite similar to that one real greenhouse failure. ... An elastic analysis under wind load was performed for the double layered plastic greenhouse model developed ... The analysis shows that the greenhouse was lifted and pulled the pipe out of the ground due to the sucking
shading greenhouse environment. ... When average air exchange rate was close to temperature of the greenhouse that was no cooling and 70% ... -1 and spray water amount was 2,009g, inside temperature of the greenhouse was 31℃ that was almost close
As a result of comparing the thermal insulation effect of each greenhouse cover material to single-layer ... Saemangeum reclaimed land is different from that of the inland, affecting the internal environment of the greenhouse ... power consumption was monitored. 16-mm PC (polycarbonate), 16-mm PMMA (polymethyl methacrylate), 4-mm greenhouse
, to greenhouses in order to save energy and reduce greenhouse gas emissions. ... the greenhouse's heating and cooling load. ... This study collected and analyzed meteorological data from 2012 to 2021 for semi-enclosed greenhouses
Daily amount of applied nutrient solution for research period in the greenhouse of plasticfilm house ... Leaf area of sweet pepper, in leaf growth characteristics in two greenhouses, were 123.0cm2/leaf (in ... The results show when sweet pepper is cultured in greenhouse as affected by covering materials and above
The ventilation rate in the greenhouse with 9 spans decreased about 17% compared to the greenhouse with ... to the greenhouse with 2 m eaves height. ... greenhouses were analyzed by the heat balance method.
was carried to select artichoke (Cynara scolymus L.) varieties that can be cultivated in non-heated greenhouse ... Lortolano), were raised in a plug tray with 72 cells for two months and transplanted in a non-heated greenhouse ... considered that 'Green Globe' and 'Imperial Star' are adequate for the high-yield cultivation in non-heated greenhouse
It was also visualized interpolated the spatial distribution in the greenhouse. ... Considering data loss and various greenhouse conditions, a bit rate was at 125kbit/s at low speed, so ... that the number of sensors can be expanded to 90 within greenhouse with dimensions of 100m by 100m.
Evaporative cooling pad system is one of the main cooling methods in greenhouses and its efficiency is ... The influence of different outside wind, fan and pad height, ventilation rate, shading, and greenhouse ... In order to maintain the desired greenhouse temperature, the pad-to-fan distance should be restricted