Category - POSTS

Influence of CO2 concentration on the CO2 uptake

Plant physiology : photosynthesis, role of...

26 January 2021

Photosynthesis is a bioenergetic process occurring in chlorophyll cells (located in chloroplasts) when photosynthetic active radiation (PAR) light is present. CO2 is an essential gas for the process of photosynthesis. This gas is present quite...

Intensive organic rapsberry cultivation under high-tunnel in North America

Raspberry cultivation in greenhouses: high...

30 December 2020

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Raspberry imports to North America have increased in recent years. Raspberry cultivation under protected environment can provide good yield in the fall if the duration of the growing season is long enough. Moreover, raspberries production under...

Greenhouse engineering: psychrometric chart

Air humidity – How to read a...

29 December 2020

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The "psychrometric diagram" of humid air is a tool to facilitate the representation of air transformations. [...] The basic concept is that there is a relationship between temperature and saturation humidity

High-tech greenhouse for the aqualculture industry in North America a promising concept

Use of greenhouses in aquaculture: shrimps...

2 December 2020

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Shrimp farming is one of the fastest growing aquaculture sectors in many parts of the world. This sector has grown from a small-scale ancestral activity, in Southeast Asia to a global industry. Open-fields ponds without climate control and...

local production and alternative crops in 2020

Next-Generation of greenhouse growers in...

31 October 2020

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In general, three crops (vegetables / fruits) are the most represented in North America through the provinces and states. Indeed, tomatoes, peppers and cucumbers are frequently found in Canadian and American greenhouses. [...] Lately, high...

Colmbian horticulture market a promising future

Colombia (South-America) : A diversity of...

11 October 2020

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Intensive vegetable production has grown in the Colombian high mountains (> 1000 m elevation) to meet changing food demand in urban markets. The flowers industry is historically a strong in the country more particularly around Medellin and...

UV rays positive influence to the crops in horticulture

Why more growers are using UV-Open...

22 July 2020

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Some UV radiation can interfere with growth, development, photosynthesis, flowering, pollination and transpiration...

Active ventilation: a positive pressure...

3 July 2020

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The concept of positive pressure ventilation consists of mechanically injecting fresh air from outside to inside the greenhouse into the growing area. Positive pressure ventilation allows for maximum exclusion of insects and uniformity of...

Hemp seeds : a lot of potential in the agro-food industry

Hemp seeds : an emerging super food

4 May 2020

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Hemp (Cannabis sativa L.) is a plant native from Eurasia and spread out to the rest of the world. Crop has been historically used for its fiber. The plant is considered as one of the most common forms of cannabis as well as the type with the...

Intensive hemp production under plastic greenhouse

Benefits of hemp cultivation under...

23 March 2020

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Hemp (Cannabis sativa L.) has been cultivated for many years in the world. The plant has been used to make ropes, sails and clothing. Indeed, hemp fibers, found on the outside of the hemp stalk, are the most resistant...