21
GB
•Theoperatingtemperaturerangeoftheremotesensorisfrom0°Cupto50°C.It’sreadingaccuracy
andfunctioncannotbeguaranteedwhenitisoutoftherangeoftheoperatingtemperature.
Low soil moisture alert
Lowsoilmoisturealertcanbeactivatedtoremindusersthatthesoilmoisturelevelhasreachedthelow-
estlevel(Level1:dry)andwateringisrecommended.Theremotesensorwillbeeponceeveryminuteas
reminder.
Toenableordisablethelowsoilmoisturealarm,pressandholdthe[ALON/OFF]button(21)insidethe
batterycompartment(19)for3seconds.
Enabled:
Theremotesensorwillbeepandtheoperatingindicator(14)flashesatthesametime
foraboutonesecond
Disabled:
Theremotesensor’soperatingindicatorwillflashcontinously
Soil temperature
Thedisplayoftheremotesensorwillautomaticallyswitchbetweensoilmoisture,soiltemperatureandair
temperature.
Soil moisture sensor
Do not insert the probe into
the soil beyond this line
Air temperature sensor
Soil temperature sensor
Soiltemperature
Press[Tx/C/F]button(20)insidethebatterycompartment(19)toselectbetween°Cor°F.
Soiltemperaturecanserveasausefulguidefortimingspringseeding.
Ifthesoilistoocool,germinationisdelayed,whichresultsinseeddamageandunevenorinadequate
seedingemergence.Itmayevenbenecessarytoreseed.Ontheotherhand,ifthesoilisunusuallywarm
inthespring,itmaybebettertoseedearlierthannormal.Ineithercase,thesoiltemperatureatseeding
depthcanbeapracticalguide.
Formostcrops,thereisatemperaturerangejustabovetheminimumgerminationtemperaturewherethe
rateofgerminationisreduced.Springseedingshouldnotbeginuntilsoiltemperatureatseedingdepth
reachesorexceedstherequiredminimum.Shallowdepthswarmupfirst.Thereforeshallowseedinggives
theearliestgermination,providedmoisturerequirementsaremet.
Soiltemperaturesatseedbeddepthsarenormallymeasuredtwicedaily-morningandafternoon.The
averagedailysoiltemperatureusuallyliesbetweenthetworeadings.
Thetwotablesbelowwillgivesomeinformationsonminimumandpreferredtemperaturesforanumberof
crops.Thesevaluesshouldberegardedasapproximatesincegerminationdependsonseveralfactors.
Noliabilityistakenbythemanufacturerforanylossordamagecausedbythesereferencetables.
Germinationsoiltemperaturesforfieldcrops
Minimum (°C)
Preferred (°C)
Cereals and Oilseeds
Wheat
4
20
Barley
3-5
20
Содержание 70-20400
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