American scientists have found a way to give pollen grains an electrostatic charge to improve pollination. The charge attracts the pollen to plants, they say. The pollen is stored in a tank and pumped through a hollow electrode, after mixing it with distilled water and salt. A high speed air stream is used to turn the mix into a fine spray. The charged mix deposits nearly five times as much pollen on the plants as did spraying with uncharged pollen.
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