Drain pee may be discharged to an progressively less extent in the come years . For soil - based crops this means that growers need to know how much water system the dirt draw : they can then conform the tearing consequently . This can be measured with a lysimeter , but that is a complex method . The Greenhouse Horticulture and Flower Bulbs Business Unit of Wageningen University & Research is working on a virtual lysimeter that works with data and sensors . Researcher Joseph Stoenner : " It is nice to see how scientific enquiry can serve agriculturalist . "
Drain H2O is the irrigation water supply that is not absorbed by the crop . This water is often fertile in food ; that is one of the reason that it should not be dispatch . It is therefore important that raiser do not give the crop too much water . With a lysimeter , a grower can measure how much water is not assimilate by the harvest or held in the grunge and is therefore washed out . The lysimeter is a big container of several cubic cadence that is buried in the soil . The surplus of water can then be measured under the container .
A practical lysimeter ( VL ) also cause clear how much waste pipe water there is , but based on manakin and information . For this purpose , the VL uses data from the cultivator ’s mood computer ( such as watering , radiation therapy and warming ) and a water balance theoretical account . To utilise the VL , samples are also taken from the land in the greenhouse in interrogative sentence : at 30 , 60 and 90 cm deepness . The soil type is then examined : after all , each soil type has a different buffer social occasion ( for both water holding capacitance and period rate ) .
Based on all data , the VL calculates how much moisture the soil has evaporated and how much moisture the crop has emitted ( through transpiration ) . This also piss it possible to figure how much water is ' bequeath ' . The practical lysimeter has been validated at a number of polish caller ( with dissimilar crop ) that were already work with a lysimeter . This picture that the VL calculations were consistent with the actual waste pipe .
There are now 12 growers who use a virtual lysimeter . They can sign in to a site with a personal dashboard : there they can gain brainwave into the waste pipe and advice on watering . Stoenner : " scientific discipline therefore impart to how growers can do business in a sustainable and efficient manner . " The Econutri project aims to stimulate the manipulation of practical lysimeters as much as possible by recruit new agriculturalist with the creature . Econutri is financed by the European Union Horizon Europe Innovation programme under the Grant Agreement No . 101081858 , and VL 2.0
The VL will be further develop within the Virtual Lysimeter 2.0 project , the organisation is expanded with a set of sensors at a depths of 15 , 45 , and 60 centimeters ( corresponding to the midsection of each soil layer cypher by the VL ): this info gives the grower supernumerary foregone conclusion about the reliability of the measurements and advice . The Virtual Lysimeter 2.0 undertaking is subsidise by the Topsector Tuinbouw & Uitgangsmaterialen and cofinanced and made possible by Glastuinbouw Nederland , Stichting KijK , LC Chrysant , Eurofins , Yara , LetsGrow.com , Sigrow and Quantified .
Source : wur.nl
