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在对云南省永胜县光华乡开展低产板栗园改造的基础上,总结了低产板栗园改造的实用技术。低产板栗园改造地海拔1 700~1 950 m,土壤类型为红壤、黄红壤,土层厚度中等,坡向为阳坡、半阳坡,坡度16~20°。板栗种植时间为1994年,低产的原因为品种不良、经营管理粗放等,本文从低产成因
Based on the transformation of low-yield chestnut garden in Guanghua Township, Yongsheng County, Yunnan Province, this paper summarized the practical techniques for the transformation of low-yield chestnut fields. Low-yield chestnut farmlands are rebuilt at 1,700-1,950 m above sea level. The soil types are red soil and yellow-red soil. The thickness of the soil layer is medium and the slope is sunny and semi-sunny with a gradient of 16-20 °. Chestnut cultivation time for 1994, low yield due to poor varieties, extensive management, etc., this paper from the low birth causes