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the corn, and chokes and destroys it when it grows up.
It grows as high as the corn, and a yellow blossom comes on it.
When the blossom is sprayed the weed dies.
The potatoes are sprayed with bluestone and washing soda.
The washing soda is melted and it is mixed with bluestone, and then some water is added.The sprayer is composed of a barrel, two wheels, two shafts and a pump.
The sprayer is mostly made of
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