67 pages matching relative humidity in this book
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169 for cuttings Aechmea Aglaonema autumn beautiful Begonia Billbergia Bromeliad Calceolaria Cissus colour Columnea Commercial growers compost Cryptanthus cultivated cutting growth rest Dieffenbachia feeding 1 tsp Ferns fertilizer per pt Ficus final pot foliage plant frozen peat g per litre germinate grafting greenhouse growing season growth hormone growth rest pot Guzmania houseplant humus-rich hybrids in/7 cm inflorescence intermediate cutting keep the soil leaves light light light litre watering moist means mid-spring mixture moderately temperature moist moderately months Nidularium peat peat dust peat-based potting compost Philodendron plantlets potting soil propagated prothallium pt water pt water/2 relative humidity repot rest pot frame Rhododendron Simsii Rhoicissus RHP potting soil river sand Rochea roots seed shoots short-day slight shade soil moderately moist special features species spores stem Stromanthe strong sunlight summer table cutting growth taking cuttings Treatment table cutting tropical tsp compound fertilizer variety Vriesea water/2 g weeks young plants