A nation that can't control its energy sources can't control its future. Barack Obama
  • The UK soft fruit sector continues to expand due to consumer preference for local production utilising an extended growing season. Most often this has been by the implementation of single span ‘Spanish’ tunnels, together with new varieties and substrate crops in gutters or on table-tops irrigated using hydroponic irrigation systems.
  • Optimising production methods is one of the aims of many greenhouse growers. Determining what makes an optimal climate for crop quality and production, however, can be challenging, and it’s certainly worth bearing in mind that what feels comfortable to a person may be less than ideal for a crop.
  • Cold store setup and management contribute significantly to the cost of operation. Cold stores are used within horticulture in a variety of situations and for different purposes, so a ‘one type fits all’ approach is rarely the most efficient.
  • Sensors are the eyes and ears of your control system and fundamental to its operation. Inaccurate measurements, due to faulty or poorly maintained sensors, can result in wasted energy, substandard crop performance and even increased disease so they are very important.
  • This is part one of a two-part update in which we revisit the conventional sources of CO2 supply and discuss the influence of factors, such as heat requirement and electricity price on the cost attributed to CO2 supply. 
  • A group of UK growers visited a Canadian nursery that uses the ProSelect GC6, the world's only system that cleans carbon dioxide rich flue gases so that they can be used within the greenhouse.­This technical update outlines what they found out and assesses whether using GC6 is economically viable in the UK.
  • Common practice is to put measuring boxes in a position that is both practically convenient and which provides representative measurements of the conditions in the greenhouse.
  • Using heat to control humidity in a greenhouse gives the advantages of a good yielding and a disease-free crop. But with energy prices rising, many growers are left wondering whether humidity control is something they can really afford.