biomass increment

The effect of mono-species and poly-species constructed wetlands on wastewater purification and plant biomass increment was studied.

对单种和多种植物人工湿地对污水的净化效果和植物生长生物量进行了研究。

In still water culture, Echinocactus Gruson roots grew well and had a very strong ability of regeneration. Root biomass increment was larger and root average diameter was smaller also.

水培时根系长势良好，具有很强的再生能力，根量增多，根平均直径变小；

General Contents in 2003 the biomass increment was lower;

2003年总目次总生物量增量减小；

The proportion of biomass increment distributed to root increased with decreasing soil water content, and the proportion allocated to stem and leaf decreased.

4品系生物量增量分配到根系的比例逐渐增大，而分配到茎和叶中的比例则逐渐减少。

Distichum. The relative height growth, relative ground diameter growth and biomass increment decreased with increase of soil salt content and decrease of soil water content.

落羽杉相对高生长、相对地径生长和生物量增量随着土壤盐分浓度的增加和土壤水分含量的减少而减少。

Loss can be minimized. the biomass increment was lower;

将损失降低到最小。总生物量增量减小；

Changes in biomass increment, plant height, and basal diameter with water gradient reflected the slow-growing attributes of the seedlings.

生物量、株高和基茎增量的变化反映了沙地柏生长的缓慢性。