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当前位置: 首页 > 文章 > 不同施肥条件对华润楠生长节律的影响 南方林业科学 2017 (4) 27-31+58
Position: Home > Articles > Effect of different fertilization on growth rhythm of Machilus chinensis South China Forestry Science 2017 (4) 27-31+58

不同施肥条件对华润楠生长节律的影响

作  者：
林伟通;庄雪影;周玉洁;李磊;詹红星;吴永彬
单  位：
广东省岭南综合勘察设计院;华南农业大学林学与风景园林学院
关键词：
施肥;华润楠;生长;节律
摘  要：
试验比较分析N肥、P肥、K肥和复合肥对华润楠生长及节律的影响,其中N肥、P肥和复合肥均在不同程度上促进华润楠的生长量和生物量积累,但是施加K肥抑制了苗木生长及生物量积累;施肥处理均在一定程度上增加了苗木叶片面积和数量及叶绿素。不同施肥处理下苗木苗高和地径的生长规律均符合Von Bertalanffy曲线特征,各个拟合方程的决定系数(R~2)都大于0.990,卡方值X~2均远远小于X_(0.05)~2,说明拟合方程达到显著水平和拟合程度高。根据曲线方程的特征参数可知,施加N肥和P肥将苗木苗高的速生时间提前,而复合肥与K肥对此影响并不大;所有施加肥料处理的组别均推后苗木地径的速生时间,拐点生长量和最大生长速率除K肥组外其他各组均优于对照组。
译  名：
Effect of different fertilization on growth rhythm of Machilus chinensis
作  者：
Lin Weitong;Zhuang Xueying;Zhou Yujie;Li Lei;Zhan Hongxing;Wu Yongbin;College of Forestry and Landscape Architecture,South China Agricultural University;Lingnan Comprehensive Surveying and Designing Institute of Guangdong Province;
关键词：
fertilization;;Machilus chinensis;;growth;;rhythm
摘  要：
The effects of nitrogen fertilizer, phosphate fertilizer, potash fertilizer and compound fertilizer on the growth and rhythm of Machilus chinensis were analyzed, the effects of nitrogen fertilizer, phosphate fertilizer and compound fertilizer on the growth and biomass accumulation of M. chinensis were studied in different degrees, but potash fertilizer inhibited the seedling growth and biomass accumulation. Fertilization treatment increased the leaf area and quantity of chlorophyll and chlorophyll to a certain extent. The growth and the diameter of seedling were in accordance with the characteristics of Von Bertalanffy curve, the coefficient of determination(R~2) of each fitting equation was more than 0.990, and the chi-square value X~2 was far less than X_(0.05)~2, indicating that the fitting equation reaches a significant level and a high degree of fit. According to the characteristic parameters of the curve equation, it can be seen that the application of nitrogen fertilizer and phosphate fertilizer will advance the fast seedling time of seedling seedlings, and the effect of compound fertilizer and potash fertilizer is not significant. All the groups that applied the fertilizer treatment pushed the fast-growing time of the seedling path, and the inflection rate and the maximum growth rate were better than those in the control group except the potash group.

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