|Table of Contents|

Effects of Different Nitrogen Forms and Ratios on Growth and Development of Cinnamomun bodinieri Seedlings

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年06
Page:
96-101
Research Field:
Publishing date:

Info

Title:
Effects of Different Nitrogen Forms and Ratios on Growth and Development of Cinnamomun bodinieri Seedlings
Author(s):
HAN Haozhang; ZHANG Lihua; WANG Xiaoli; LI Suhua; WANG Fang; ZHANG Ying
(College of Construction Engineering,Suqian College,Suqian,Jiangsu 223800)
Keywords:
nitrogen forms; Cinnamomum bodinieri seedlings; growth and development
PACS:
-
DOI:
10.11937/bfyy.20182872
Abstract:
One-year-old Cinnamomum bodinieri seedlings were used as materials,and nutrient solutions were prepared and treated according to the volume ratios of NH+4-N∶NO-3-N=0∶10,3∶7,5∶5,7∶3,10∶0.The plant height,stem diameter,total leaf number,stem and leaf dry weight,chlorophyll content,root activity,new root number,root dry weight,and root-shoot ratio of the seedlings were tested for studying the effects of different nitrogen forms on the growth and development of Cinnamomum bodinieri seedlings after 42 days,and to expect to provide technical support for the introduction and cultivation of Cinnamomum bodinieri seedlings in saline-alkali area.The results showed that the treatment of NH+4-N∶NO-3-N=5∶5 was the most suitable for the growth and development of Cinnamomum bodinieri.Under NH+4-N∶NO-3-N=5∶5,the stem and leaf and root growth of Cinnamomum bodinieri seedlings were the largest,and the root activity and chlorophyll content were the highest.Under NH+4-N∶NO-3-N=3∶7 and 7∶3,the stem and leaf and root growth of Cinnamomum bodinieri seedlings were smaller,the root activity and chlorophyll content were lower,and under the condition of no NH+4-N or no NO-3-N,the leaves of Cinnamomum bodinieri seedlings were all small,the stem was thin and weak,the root system was less,and the root activity was lower.

References:

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Last Update: 2019-04-18