白藤苗木生长与水分条件的初步研究

The Relation Between Water Supply and Growth of Seedlings of Calamus tetradactylus

用喷灌系统形成有规律的供水量梯度研究白藤苗木生长与水分的相互关系。结果表明：供水不足或过量供水，不利于苗木生长发育。在连续干旱时，５Ｌ／ｍ２·ｄ～７Ｌ／ｍ２·ｄ的淋水量，苗木高生长、叶面积、生物量等指标都显著高于其他供水等级。说明水分管理是培育壮苗的重要技术之一。

The water supply system was employed to produce a series of water supplies for studying the effects of water supply on the seedlings growth of Calamus tetradactylus .The results showed that either over more or less water supply was not suitable for seedlings growth.Under continuous dry climate, the height,leave area and biomass of seedlings were significantly higher in water supply of 5 L/m 2·d to 7 L/m 2·d than in other water supplies.