On September 8, the farmer that black river city sells food on big early city is wearing cloth with soft nap of He Yu of cotton army coat to take. Does farmer plum brave say: ? Bully white? nods the thermometer on much Zhong Che to show is 2 degrees, showing more at 6 o'clock in the morning is 5 degrees. " (Qiu Qilong / photograph bright picture)Heilongjiang saves observatory to was forecasted on September 6, on September 8 ～ 9 days, area of part of Heilongjiang province north will appear frost. Predict 8 ～ 9 days, go in for sth in a large scale air temperature of lowest of the greater part that bring mountain range is under 0 ℃ , have frost; Hu Ma, black river western lowermost air temperature is in 0 ～ 2 ℃ , local have frost; Hillock of black river the eastpart part, Yi Chun, crane, Qiqihaer is upper, peaceful change upper lowest air temperature to be in 1 ～ 3 ℃ , partial area has light white, among them height above sea level is higher area has frost. Atmosphere branch suggests, frost around, farming area should strengthen field managing, each district should do good crop to close to precocity works, check cropland in time, take effective measures to increase field and ventilated pervious to light quality, if later period can take render page, station staff decorticates air is basked in wait for measure, the paddy field does government of good water layer. When Chu Shuang comes, conditional area, can use a few artificial measure to prevent frost, but according to different frost sort, choose the magic art that smoke cigarette respectively, enclothe law, douche, disturb law, exterminate the method such as bacterium glacial a nucleus to prevent frost. Additional, atmosphere branch hints each district pays close attention to newest weather forecast, make good frost defence.