伊川县地处豫西丘陵区,总面积1243km~2,其中80%属浅山丘陵,总人口70万,现有耕地5.47万hm~2,人均占有耕地0.087hm~2。年均降雨量652.9mm,降雨时空分布极不均匀,伏旱发生频繁,干旱年份多,同时,伊川岭地多,川地少,薄地多,好地少,旱地多,水地少;土地资源的涵养能力差,抗灾能力弱,从而造成了农业生产天灾多, Yichuan County is located in the hilly area of ​​western Henan with a total area of ​​1243km ~ 2, of which 80% belongs to shallow hills with a total population of 700,000. The existing cultivated land is 54700 hm ~ 2 and the per capita cultivated land is 0.087hm ~ 2. The average annual rainfall is 652.9mm, the distribution of rainfall is extremely uneven, the occurrence of drought is frequent, and the years of drought are dry. At the same time, there are many places in Sichuan province, such as less land, less land, less land, less land, Poor conservation ability, weak resilience, resulting in more natural disasters in agricultural production,