As a butterfly may operate morning dew, rain, wind, storm, lightning. Just as a matter of interest, as well as just appointed morning dew will cause increase in weight for example above-ground parts of wheat to a thousand tons per square kilometer (10 tonnes per hectare), the equivalent of 1 mm of precipitation.
Kama kipepeo inaweza Kazi asubuhi umande, mvua, upepo, dhoruba, umeme. Tu kama ni suala la riba, kama vile umande tu kuteuliwa asubuhi kusababisha Kuongezeka kwa uzito kwa mfano hapo juu-chini sehemu ya ngano na tani elfu kwa kila kilomita mraba (10 tani kwa hekta), sawa wa 1 mm ya mvua.