不同施肥量对黄连早期生长量的影响Effects of Different Fertilization Amount on the Growth of Coptis chinensis
武华卫,陈善波,金银春,王莎,刘均利,刘海鹰,杨晓蓉
WU Hua-wei,CHEN Shan-bo,JIN Yin-chun,WANG Sha,LIU Jun-li,LIU Hai-ying,YANG Xiao-rong
摘要(Abstract)：
采用不完全试验设计施肥方案,研究不同施肥处理对黄连早期生长情况的影响。结果表明:不同的氮磷钾肥施肥量对黄连早期高生长影响不大,但可促使新叶片提前20多天萌出,并对黄连叶片数有不同程度的增加,当施肥量小于22.5 kg·0.066 hm~(-2)时,随着施肥量的增加,新叶数量成上升趋势,当施肥量为22.5 kg·0.067 hm~(-2)时,新生叶片达最大为7.52片,当施肥量大于22.5 kg·0.067 hm~(-2)时,新生叶片开始减少。对黄连地下部分的影响为当施肥量小于15 kg·0.067 hm~(-2)时,根茎长随着施肥量的增加而变长,由1.26 cm长至1.44 cm,施肥15 kg·0.067 hm~(-2)时达最长为1.44 cm,较对照组(1.26 cm)高出14.29%;当施肥量大于15 kg·0.067 hm~(-2)时,根茎长反而变短,当施肥量大于22.5 kg·0.067 hm~(-2)时,根茎长度较对照组短;施肥对根茎的重量有显著影响,尤其当施肥量为22.5 kg·0.067 hm~(-2)时,根茎的重量达最大为1.5 g,较对照组(0.82 g)高出172.92%,黄连产量达最大。
The effects of different fertilization treatments on the early growth of Coptis chinensis were studied by the fertilization experiment. The results showed that the different amount of fertilizer NPK had little effect on the early height growth of Coptis chinensis,but promoted generation of new leaves more than 20 days earlier,and increased leaf number in different degrees. When the fertilization amount was less than22. 5 kg per 0. 067 hectare,in pace with the increase of fertilizer,new leaf number increased. When fertilization amount was 22. 5 kg per 0. 067 hectare,the new leaves reached the maximum of 7. 52. When the fertilization amount was greater than 22. 5 kg per 0. 067 hectare,young leaves decreased. When fertilizer amount was less than 15 kg per 0. 067 hectare,rhizome length increased from 1. 26 cm to 1. 44 cm with the increase of fertilizer amount. When fertilizer amount was more than 15 kg per 0. 067 hectare,rhizomes length got shorter instead. When fertilizer amount was greater than 22. 5 kg per 0. 067 hectare,rhizome length was shorter than the control group; Fertilization had significant effects on the weight of rhizomes,especially at the fertilizer amount of 22. 5 kg per 0. 067 hectare,the maximum weight of rhizomeswas 1. 5 g,172. 92% higher than the control group( 0. 82 g). at the fertilizer amount of 22. 5 kg per0. 067 hectare,rhizoma coptis reached the maximum yield.
关键词(KeyWords)：
黄连;施肥量;早期;生长量
Coptis chinensis;Fertilization amount;Early;Growth
基金项目(Foundation): 四川省省财政专项-林下主要伴生中草药配置模式研究(ZL2016-16)
作者(Author):
武华卫,陈善波,金银春,王莎,刘均利,刘海鹰,杨晓蓉
WU Hua-wei,CHEN Shan-bo,JIN Yin-chun,WANG Sha,LIU Jun-li,LIU Hai-ying,YANG Xiao-rong
DOI: 10.16779/j.cnki.1003-5508.2017.04.001
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