block; moist conditions favour diseases; not portable Even Mat needs watering of regular cleaning Capillary area; to reduce risk of matting requires less diseases and labour input algal growth Provides some Inexpensive; protection but portable; not controllable; Cloches minimal prone to running temperature costs fluctuations Difficult to control good for temperature; hardening off unable to Cold frames plants; provide minimal constant running temperature for costs germination Questions how a propagator provides the things needed for a seed to germinate. two advantages and two disadvantages of using a heated propagator to grow seeds. ... growing seeds ... growing tomatoes from seeds ... GCSE how a propagator works ... heated propagator ... cold frame ... cloche
block; moist conditions favour diseases; not portable Capillary matting Even watering of area; requires less labour input Mat needs regular cleaning to reduce risk of diseases and algal growth Cloches Inexpensive; portable; minimal running costs Provides some protection but not controllable; prone to temperature fluctuations Cold frames good for hardening off plants; minimal running costs Difficult to control temperature; unable to provide constant temperature for germination Questions how a propagator provides the things needed for a seed to germinate. two advantages and two disadvantages of using a heated propagator to grow seeds. ... growing seeds ... growing tomatoes from seeds ... GCSE how a propagator works ... heated propagator ... cold frame ... cloche
Chapter29-Growing-Plants-from-Seeds.docx