Impacts of Two Water Absorbents on Survival Rate and Growth of Platycladus orientalis in Nankou Wind-blown Sand Areas of Beijing

YANG Xiao-hui; ZHANG Chao-rong; LI Guo-qi; MA Chen-yu; CI Long-jun

This paper aimed at the influences of two water absorbents on survival rate and growth of Platycladus orientalis under different watering treatments in this area.The results showed that in the early stage of plantation,the survival rate of individual trees with water absorbent treatment at the end of the first year was more than 90%,a little different from the control treatment that had double watering.In the next spring,soil moisture with water absorbent treatment increased by 84.7～119.4 g·kg-1,which is reflected by 7.78%～25.56% of reduction of survival rate of control treatments compared to water absorbent treatments,it is obvious that the cost on watering and replanting was reduced markedly.In addition,the increment of individual trees increased significantly.The impacts of different water absorbents and their dosages on growth,however,was not significant.

1. Research Institute of Forestry, CAF, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing 100091, China

2. Forestry Bureau of Changping District, Beijing 102200, China

3. College of Life Sciences, Ningxia University, Yinchuan 750021, Ningxia, China

Received Date: 2004-09-08

Abstract: This paper aimed at the influences of two water absorbents on survival rate and growth of Platycladus orientalis under different watering treatments in this area.The results showed that in the early stage of plantation,the survival rate of individual trees with water absorbent treatment at the end of the first year was more than 90%,a little different from the control treatment that had double watering.In the next spring,soil moisture with water absorbent treatment increased by 84.7～119.4 g·kg-1,which is reflected by 7.78%～25.56% of reduction of survival rate of control treatments compared to water absorbent treatments,it is obvious that the cost on watering and replanting was reduced markedly.In addition,the increment of individual trees increased significantly.The impacts of different water absorbents and their dosages on growth,however,was not significant.

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Reference (17)

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Impacts of Two Water Absorbents on Survival Rate and Growth of Platycladus orientalis in Nankou Wind-blown Sand Areas of Beijing

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通讯作者: 陈斌, bchen63@163.com

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