Results 21 to 30 of about 4,187 (295)
AgronomyMagnesium (Mg) deficiency frequently occurs in tomato leaves grown in plastic greenhouses during winter in northern China. In this study, field experiments were conducted to test the effects of soil temperature and the potassium (K) fertilizer ...
Haofeng Lv +7 more
doaj +2 more sources
PLASTIC AND GLASS GREENHOUSES DETECTION AND DELINEATION FROM WORLDVIEW-2 SATELLITE IMAGERY [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 Greenhouse detection using remote sensing technologies is an important research area for yield estimation, sustainable development, urban and rural planning and management.
D. Koc-San +3 more
doaj +1 more source
History of Controlled Environment Horticulture: Greenhouses
HortScience, 2022 Modern greenhouses are intensive farming systems designed to achieve high efficiency and productivity. Plants are produced year-round in greenhouses by maintaining the environment at or near optimum levels regardless of extreme weather conditions.
Krishna Nemali
doaj +1 more source
RESEARCH ON WIND PRESSURE DISTRIBUTION OF PLASTIC GREENHOUSES IN VALLEY TOPOGRAPHY
, 2022 As the wind pressure distribution on plastic greenhouses in valley areas is different from that of greenhouses on plains, it is necessary to find out the variation trend of the wind pressure coefficient on greenhouses in the valley areas.
Guifeng He (8137335) +3 more
core +1 more source
Frontiers in Earth Science, 2022 Because of their relatively simple structures, plastic greenhouses in southern China have poor resistance to adverse external weather conditions. Adverse meteorological condition inside the greenhouse is one of the main limiting factors for facility crop
Qi Zhang +4 more
doaj +1 more source
Evaluating the Effect of Cover Materials on Greenhouse Microclimates and Thermal Performance
Agronomy, 2022 This study compared and analyzed changes in the microclimate and thermal environment inside single-span greenhouses covered with a single layer of plastic film, polycarbonate (PC), and glass.
Hyung-Kweon Kim +3 more
doaj +1 more source
EDIS, 2021 Fans are used in processing applications involved with drying, ventilating, heating, cooling, aspirating, elevating, and conveying. Processing and other agricultural activities requiring fans are greatly increasing.
Jonathan A. Watson +5 more
doaj
Environmental control of greenhouse and plastic cover. II
Engei Gakkai zasshi, 1967 1. Climatic factors were measured in large gutter-connected greenhouses which are equipped with the cooling system as pad-and fan in Kusatsu City of Shiga Prefecture.2. The greenhouses measured were so different from one another in their structures, aeration systems and crops, that the temperature and wind velocity were studied for three to four ...
Y. KAWAKATSU, T. NAKAO
openaire +3 more sources
Deep Neural Network Analysis on Uplift Resistance of Plastic Greenhouses for Sustainable Agriculture
, 2023 In this study, we attempted to find an alternative method to identify and efficiently predict the interaction between the soil and basic structure of plastic greenhouses for sustainable agriculture. The interaction between the foundation structure of the
Chul-Min Song, Myeong-Hwan Kim
core +1 more source
THC Yield and Greenhouse Cover Materials: Optimizing the Profit of Medical Cannabis
Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Horticulture, 2021 Even though Delta-9-tetrahydrocannabinol (THC) is a psychoactive substance, studies indicate that it has therapeutic properties. Moreover, the modification in Greece legislation regarding the legalization of cannabis has resulted in new business ...
Maria KOUSOYLA +9 more
doaj +1 more source