河南省是我国第四大产栗省 .豫南地区是 2 0世纪 80年代初原林业部首批命名的全国板栗生产示范基地 .豫南地区面积 187万 hm2 ,各种宜林丘陵山地 133万 hm2 ,其中各类板栗林面积 36 .3万 hm2 ,2 0 0 0年年产板栗逾 80 0 0万kg,占河南省板栗总产量的 76 .5 % ,随着 3年生以内的? Henan Province is the fourth largest chestnut producing province in China.Yunnan is the first batch of national chestnut production demonstration base named by the former Ministry of Forestry in the early 1980s.Four area of ​​Henan Province is 1.87 million hm2, hm2, of which 363,000 hm2 are all kinds of chestnut forest area. In 2001, the annual output of chestnuts exceeded 80,000 kg, accounting for 76.5% of the total output of chestnut in Henan Province. With less than 3 years of age,