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北方水土多呈碱性，不适宜种养南方花木。因此使碱性土壤酸化，就成为栽培好喜酸性花木的关键，现介绍两种常用的改良方法：１．掺用针叶土：掺施针叶土是改良碱性土的最根本方法。针叶土是由腐烂的松柏针叶、残枝等枯落物及锯末等沤制而成的，酸性强。一般碱土掺１／５或１／
Most of the northern soil and water are alkaline, not suitable for planting southern flowers. Therefore, the acidification of alkaline soil, it becomes the key to cultivate good acidic flowers, are introduced two commonly used methods of improvement: 1. Mixed with coniferous soil: Mixed with coniferous soil is the most fundamental method to improve alkaline soil. Coniferous soil is made of decayed pine and cypress coniferous leaves, twigs and other litter and sawdust and other systems, and strong acidity. General alkaline earth doped 1/5 or 1 /