Announcements
Job Offers
- Sales Manager / Director - West Coast primary, USA
- Medewerker productmanagement support - Bleiswijk
- Head grower & Indoor farming-/hydroponic specialist - Küssnacht am Rigi, Switzerland
- Technical Director - Addis Ababa, Ethiopia
- Onderzoekassistent Fenotyperen - Bleiswijk
- Horticultural Soil Sales Representative - USA
- Turnkey Vegetable Greenhouse Sales Representative - USA
- Sales Administrator - Europe Division
- Junior Sales Manager - Europe Division
- Head Grower - Avoine, France
"Tweeting Growers"
Top 5 -yesterday
- B.C. partners with industry on energy efficiency at Delta greenhouse
- "Greenhouse campus a game changer for S.C. farming"
- PL Light Systems releases leafy greens crop guide
- Proprietary tomato plant that alerts farmer via iPhone when it's sick
- IGS signs significant export deal with Jungle to supply French retail market
Top 5 -last week
- "Spend less time on your controls, but more quality time with your plants"
- Agroparks in the U.S. - a horn of plenty for investors?
- Can biopesticides help to protect crops against whiteflies?
- Autonomous peroxide generation system promises crop boost
- “We are developing a sustainable technology that uses 75% less LED lighting”
Top 5 -last month
- “If we really want to make a change, we should intensively invest in innovation and technique in Africa”
- "Algorithm predicted irrigation need much better than I can with 38 years experience"
- US (VA): $17 million hydroponic greenhouse operation being planned
- Increasing yield, while improving plant quality and driving down energy costs
- Get your copy of the Greenhouse Guide
Cooling
Simple tuning rules for Feedforward compensators
In a recent study, simple tuning rules for feedforward compensators were applied to design a control strategy to regulate the inside air temperature of a greenhouse during daytime by means of a natural ventilation system. The developed control strategy is based on a PI (Proportional-Integral) controller…
Frigotherm Ferrari
Different refrigeration solutions
Frigotherm Ferrari has been one of the main points of reference for refrigeration and air conditioning for over 50 years. "70% of our market is in Italy. We have extensive experience in the apple sector, but also provide innovative solutions to other operators as well as to the logistics sector,"…
HVAC systems explained
Heating, Ventilating, and Cooling (HVAC) systems are designed to maintain optimal greenhouse growing conditions, which vary according to the crop grown, time of year, and local climate restrictions.…
Barry Hugo – Dunlash South Africa
Reducing claims through improved cold air flow within a reefer container
In refrigerated containers the chilled air often short circuits, not keeping the fresh produce at the desired temperature. “Cold air is lazy, it takes the path of least resistance,” explains Barry Hugo, managing director at Dunlash South Africa and Refrigerated Air Flow Technologies (RAFT). This challenge…
Natural or mechanical ventilation?
Ventilation is the process of air exchange, removing inside air from inside the plant production facility and replacing it with outside air. Ventilation is also important for maintaining CO2 levels and removing excess moisture when there are no active systems installed to manage those factors. Ventilation…
Why cooling is an important part of climate control
Why is cooling important? Well, first to control temperature and humidity, secondly to avoid plant stress, then also to prevent over-irrigation and to ensure flower set. The selection…
TomatoesNZ
The tomato red spider mite in New Zealand
At the end of May, Biosecurity New Zealand (the Ministry for Primary Industries) found two small populations of tomato red spider mite (Tetranychus evansi) on nightshade weeds at two Auckland locations during routine surveillance. Industries potentially affected by this pest include tomatoes, capsicum,…
RF Agriculture
How to regulate temperatures in greenhouse or indoor farmKeeping cool in summer
One of the best aspects of the summer months is the increased temperatures and plenty of sunshine. After the cold winter months and damp spring, summer is a welcoming sight for many. However, in a commercial greenhouse, this can be a double edged sword. Summer has increased daylight and higher temperatures leading to less need…
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