The Dutch horticultural sector is already circular : more and more Department of Energy is renewable , there are many saving , rain is collected to be used for production purposes . Less water , less pesticide is good for the environment , but also honest for the business .

Also in Poland , this movement is visible . But debate the fact that many Polish greenhouse are heated with coal and coal will be sooner or later phase out , it is the right-hand moment to think and follow through circular solutions on energy in the greenhouse yield .

glasshouse and energy‘Kas als energiebron ’ is a programme of the Dutch government made together with grower and researchers for do work on innovations and implement best result of various reaserch on energy in greenhouses . The whole programme is financed both by the Dutch government and the sector itself . At this moment 70 % of greenhouse owners are member of the political platform and almost 10 % of the vim they utilise for glasshouse production is already all renewable . The results of those enquiry projects are public and every grower can check the announce solution of the programme to improve own product .

The programme of ‘ glasshouse as energy reference ’ is made with growers and for growers . The focussing lies on implementation , it has to be as practical as potential . On the moment growers are concerned and require at the very showtime of every project , they will also be concerned in the whole process and result . In this way task see by the Programme do better as they are oriented on drill , not theory . With this overture however more option are potential . Therefore , every task has to be whippy and unfastened to conduct it in multiple choice .

Energy cost in the Netherlands are gamey . In a greenhouse even 20 % of the total production costs is cause by muscularity . Therefore , it is an important divisor for every grower in the Netherlands . But also consumers necessitate questions on renewable vigour , climate modification and sustainability . Therefore also from consumers , there is a pressure to amend vitality remainder in a greenhouse . There are load of reasons for raiser to be interested in energy .

Already now there is the possibility to   lower the energy usage around by 1/3 with the current engineering science and energy savings .   The other 67 % has to be done by new carrying out . In the Netherlands caloric heat plays a major purpose . Other possibility to exchange zip system are : dark-green electrical energy , waste heat etc .

At this stage it is still out of the question for the Dutch agriculturist to run a greenhouse fully on renewable energy . But many of them trace ( and this is a very good advice for every glasshouse agriculturalist ) to follow the previous R&D on heating and on LED lighting solution . Energy will be only more expensive , therefore it is salutary to cerebrate ahead .

One of the soft slipway to increase vigor savings in a greenhouse is to use caloric screens , covers that isolate the production from alfresco . It does n’t have to be an expensive material like looking glass . For works less vulnerable for low-cal artificial bubbles can also be a resolution . Another way is to put an excess stratum diffuse sheets , that will take care for superfluous isolation but wo n’t affect light transmission to the glasshouse .

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