五针松扦插快繁技术周思勇，赵晓容看到贵刊１９９５年第２期刊登的《五针松嫁接育亩》一文后，我觉得根据多年实践经验，有必要将五针松扦插育苗技术也介绍如下：１．插床准备：选择靠近水源背向阳地做成长４ｍ宽１ｍ的畦，畦上铺２０ｃｍ厚的干净河沙。扦插前３天用６０... Five needles pine cuttings fast propagation technology Zhou Siyong, Zhao Xiaorong saw your magazine published in 1995 No. 2 published “Wu Pinong grafting mu” article, I think based on many years of practical experience, it is necessary to five-pin pine cuttings technology introduced As follows: 1. Slotting preparation: choose to be close to the water back to the sun to grow 4m wide 1m 畦, 畦 shop 20cm thick clean river sand. 3 days before cutting with 60 ...