N元素对杉木幼林生长的影响  

Effect of N Element on the Growth of Young Cunninghamia lanceolata Forest

作　　者：黄恒清 Huang Hengqing(Guangzhuang State-owned Forest Farm,Shaxian 365050,Fujian,China)

机构地区：[1]福建省沙县官庄国有林场,福建沙县365050

出　　处：《绿色科技》2024年第9期93-96,共4页Journal of Green Science and Technology

摘　　要：为探究N元素对杉木幼林生长的影响,2021年开展杉木幼林施肥试验,肥料为尿素,采用4个施肥处理,即30 g/株、60 g/株、90 g/株和不施肥对照(CK)。结果表明:30 g/株施肥处理杉木树高和地径相对CK分别增长了0.2%和38.3%;60 g/株施肥处理杉木树高和地径相对CK分别增长了7.6%和54.2%;90 g/株施肥处理杉木树高和地径相对CK增长了6.3%和62.2%。To investigate the effect of N element on the growth of young Cunninghamia lanceolata forests,in 2021,the fertilization experiments on young Chinese fir forests are conducted.The fertilizer is urea,and four fertilization treatments are used,namely 30g/plant,60g/plant,90g/plant,and no fertilization control(CK).The results indicate that:the relative CK of height and diameter of Cunninghamia lanceolata trees increased by 0.2%and 38.3%respectively under the fertilization treatment of 30g/plant;The relative CK of height and diameter of Cunninghamia lanceolata trees increased by 7.6%and 54.2%respectively under the fertilization treatment of 60g/plant;The 90g/plant fertilization treatment increased the relative CK of Cunninghamia lanceolata trees by 6.3%and 62.2%,respectively.

关 键 词：杉木 人工施肥 生长量 

分 类 号：S753.5[农业科学—森林经理学]