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Browsing letter [R]

R layer r-selection race radar radial section radial-arm saw radially sawn radian radiance radiation radiation fog radiational cooling radicle radiometry radiosonde rain shadow rainfall duration rainfall frequency rainforest raised bog raker (tooth) ramet ramicorn random mating random quadrat random sample random variable randomization randomized block range range appraisal range finder range management range plant range reseeding range site range survey ranger district rappelling raster raster data rate of production transformation rate of spread rate of technical substitution rate of use rating curve ray RDBMS re-entrant reaction wood rear rearing habitat reburn receptivity recession curve recessive gene recharge reciprocal cross reciprocal recurrent selection recombinant recombination reconnaissance reconstruction record record of decision recording rain gauge recovery recreation recreation facility recreation opportunity spectrum recreation resource management recreation river recreation site recruitment recruitment period rectify recurrence interval recurrent breeding recurrent selection red card red flag cancellation red flag warning red flag watch red ring decay red rot red-belt redox potential redoximorphic feature reduced cost reference level refilling reforestation refugium regeneration regeneration cut(ting) regeneration interval regeneration method regeneration period regeneration weevil regime regimen regression regression coefficient regular regular uneven-aged stand regulation reinforcement planting rejuvenation relaskop relate relate key relational relational constraint relational database relational database management system relational join relative humidity relative stand density relative thinning intensity release release-kill ratio releve method relief displacement relog remote sensing removal cut renewable resource repellent repetition replacement value replication report time representative fraction representativeness reproduction reproductive cell reproductive material resample resaw reserve tree residence time residual residual soil residual stand residue residuum resilience resin resin canker resin tube resinosis resistance resistance to control resolution resources Resources Planning Act (RPA) Assessment and Program respiration rest-rotation restoration retardant retardant drop reticulate mottling return flow returns to scale revegetation RF RGP rhizobia Rhizobium rhizome rhizomorph rhizosphere rhizotron ribonucleic acid ribosome rich tool richness rick riffle rift valley rig rigging right-of-way rill rill erosion ring fire ring rot ring-porous rip saw riparian riparian zone ripper riprap risk risk-rating system riverain riverine RMS error RNA ROD roguing root biomass root cap root channel root collar root collar weevil root core root disease root growth potential root hair root length density root mean square error root nodule root pressure root primordium root pruning rootrake rootstock ROPS ROS rosin rosser rot rotation rotation pasture rotation(al) grazing rotational stocking rough grazing roughage roundheaded borer roundheaded pine beetle roundup roundwood route ROW royalty RPA rub tree rubber sheeting ruderal running fire running line running skyline runoff runt rural (development) forestry rust rust fungus

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