Actually, this may surprise you, Iceland is actually not really a frozen tundra. Iceland was found by the Vikings, and seeing the land in the winter they named this country Iceland. So the answer to your question is that Iceland probably grows their crops just like any other country would, unless they have a secret formula they put into fertilizers to make their crops grow faster.
Yes, Iceland has a lot of trees and plants.
plants..
Plants survive in land by the water
angelica
Without sunlight, plants can not survive.
by putting a water to the plants
Survive the Night - 1993 TV is rated/received certificates of: Iceland:16
there is not a lot of water.. therefore the plants dont survive and the animals also do not survive.
Some plants like mushrooms and fungi can survive without sunlight.
Green plants can survive with sunlight,water,carbon dioxide and chlorophyll.
there is not a lot of water.. therefore the plants dont survive and the animals also do not survive.
how do sunflowers survive in the subtropics