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葫芦特别喜阳,所以在楼顶上搭架绿化再合适不过了。笔者实践了好几年,年年荫浓果丰,让旁人好不羡慕。一、土质针对楼顶土质少、天然不耐旱这一特点,选择肥沃的熟土,添加锯木屑、少量河沙、蜂窝煤渣,底层如能加些鸡粪或沼气池中起出的粪便最佳。整个混合土质不少于1尺厚,周围用砖垒砌,砖不要用水泥砌实,特意留着砖缝,一可透水,二
Gourd special Xiyang, so the top of the roof shelves green then appropriate. The author has practiced for several years, every shade Yinfeng Feng, so admirers envy. First, the soil for the roof of the soil less natural and not drought-resistant features, select the fertile cooked soil, add sawdust, a small amount of river sand, honeycomb cinder, if the bottom can add some chicken manure or digesters in the most excrement good. The entire mixed soil is not less than 1 foot thick, surrounded by brick masonry, brick masonry cement do not use, deliberately kept the brick joints, a permeable, two