in polythene bags
live in Central Otago very cold and frosty. However, my question
is about tomatoes grown in a glass house. My Dad grows tomatoes
in polythene bags in a glass house but they are always very hard
and green around the stalk end. Please help.
are several reasons for this to happen. Too much sunlight, too dry
or too much potash.
If it is sunlight, shade
cloth or white-out on the glasshouse will help. Apply sulphate of
ammonia to correct the nutrient imbalance if it is too much potash.
Water regularly, especially as they are grown in planter bags
this could be as regularly as twice a day in summer.
by Dr Dan Blanchon from Unitec's Diploma in Sustainable Horticulture and Bachelor
of Resource Management.
with permission from NZOOM Home and Garden content,
from the previous
The views expressed here are not necessarily those of the RNZIH