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地黄喜温和、阳光充足的气候,怕高温、怕湿、怕涝、怕盐碱,忌连作,宜轮作。适宜在疏松肥沃、排水良好的壤土和砂壤土上生长,过粘过沙均不宜。其栽培要点如下: 1.选地整地 选向阳、排水良好的肥沃壤土,前作为禾本科植物的地块,冬前深耕30厘米。翌春解冻后667平方米施堆肥500公斤、过磷酸钙25公斤,再浅耕15厘米,耙碎整平,做平畦或高垄,垄宽45厘米,沟宽30厘米,高15厘米。
Rehmannia mild, sunny climate, afraid of high temperature, fear of wet, afraid of waterlogging, fear of salt, avoid continuous crop rotation should be made. Suitable for loose and fertile, well-drained loam and sandy loam soil growth, over sticky sand are not appropriate. The main points of cultivation are as follows: 1. The election site preparation sunning, well-drained fertile loam, before as a gramineous land plots, deep plowing 30 cm before winter. The next spring after thawing 667 square meters composting 500 kilograms, superphosphate 25 kilograms, and then shallow 15 cm, rake broken flat, flat or ridge, ridge width 45 cm, width 30 cm, height 15 cm.