Q. I have a farm in Afghanistan, which is about 30,000 square
metres, in which mainly grapes are grown. In the cold winter the
grape vines are buried under the ground because of the very cold
weather and then in the spring the vines are exposed to air and
light, then the vines become green. Mostly this works, but in some
years, after the plants grow their leaves and grapes, the weather
becomes cold again for only one night. All the grapes freeze and
become…
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