一、要光昭充足。除1～2年生幼苗需适当遮阴外,应常年在室外向阳处生长,则其针叶短而健壮,叶色翠绿;如在室内应置放在向阳处,并在适当期间移至室外补充光照;如长期光照不足针叶易瘦弱且易枯黄,但炎夏中午直晒,也易引起焦叶。二、要用酸性、疏松、肥沃的土壤,切忌碱性,否则针尖易发黄脱落。用腐叶土为主的沙质壤土最为适宜。 First, to light full Zhao. Except 1 to 2 years old seedlings need to be properly shaded, perennial growth in the outdoor sunny place, then its short needle and sturdy, leaf color green; such as indoors should be placed in the sunny place, and in the appropriate period to move to the outdoor supplement Light; such as long-term lack of light coniferous easy to thin and easy to yellow, but the summer sun at noon, but also easy to cause coke leaves. Second, use acidic, loose, fertile soil, avoid alkaline, otherwise the needle prone to yellow off. The best sandy loam with rot-leaf soil is most suitable.