一旱灾对农业生产的影响。1～3月中旬的春旱,使全省大部分市地降雨偏少。豫东、豫西,周口、驻马店、信阳及南阳东南部平均降雨20mm;豫北及开封、商丘七市地平均仅3～5mm;其余市多在10mm左右。土壤相对湿度多在35%～50%之间。全省173.3万hm~2小麦受旱,严重受旱53.3万hm~2。全省18个市地,受旱严重的有郑州、开封、安阳、南阳、商丘、周口6市地。5月中旬至9月上旬的夏伏旱。第一阶段:5月 Impacts of a drought on agricultural production. The drought in January-March mid-March caused less rainfall in most cities in the province. The average rainfall in eastern Henan, Henan, Zhoukou, Zhumadian, Xinyang and southeastern Nanyang is 20mm. In North Henan and Kaifeng, the average value of the seven cities in Shangqiu is only 3 ~ 5mm; the rest are mostly about 10mm. Soil relative humidity more than 35% to 50%. 1,733,000 hm ~ 2 wheat in the province suffered drought and 53,300 hm ~ 2 in severe drought. The province’s 18 cities, severely drought in Zhengzhou, Kaifeng, Anyang, Nanyang, Shangqiu, Zhoukou 6 cities. Summer solstice drought in mid-May to early September. The first stage: May