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当前位置: 首页 > 文章 > 磷肥对马尾松苗木生长动态的影响 湖北农业科学 2014,53 (17) 4092-4095
Position: Home > Articles > Effects of Phosphatic Fertilizer on the Growth Dynamics of Pinus massoniana Seedling Hubei Agricultural Sciences 2014,53 (17) 4092-4095

磷肥对马尾松苗木生长动态的影响

作  者：
周玮
单  位：
贵州民族大学化学与环境科学学院
关键词：
马尾松(Pinus massoniana);磷肥;生长动态
摘  要：
以一年生马尾松(pinus massoniana)苗木为研究对象,对移栽后苗木进行施肥试验。采用完全随机区组排列的方法,设置磷肥3个施肥量的施肥处理,同时设置对照。在施肥后各月测定苗木地径、苗高及根系的生长情况。结果表明,苗木地上苗高、地径生长与外界气候变化密切相关。细根变化前期不明显,9月后细根生长增加。施磷肥处理下苗木苗高、细根高于对照;且随着施肥量的增加,苗木的苗高、根长、根表面积、根体积及生物量表现出逐渐增加的趋势,且在8~12月表现较为明显。随着磷肥用量增加生物量逐渐增加,细根形态则在2月下降,且P2细根形态最好。
译  名：
Effects of Phosphatic Fertilizer on the Growth Dynamics of Pinus massoniana Seedling
作  者：
ZHOU Wei;School of Chemistry and Environmental Science, Guizhou Minzu University;
关键词：
Pinus massoniana seeding;;phosphatic fertilizer;;growth dynamic
摘  要：
Fertilizer was applied on one-year Pinus massoniana seedling. Three amounts of P fertilizer applications and control were designed with complete random. The status of height, diameter and root of seedling were determined at every months after fertilizer application. Results showed that the height and fine root under P fertilizer treatment was higher than that of the contrast. There was an affinity between the growth of the height and diameter and the weather. The fine root growed inconspicuously in the prior period. From Sept. the fine root showed slower growth. With the amount of P fertilization increasing,the height, root length, root surface area, root volume and biomass increased. This change was conspicuous from Aug. to Dec..With the increase of the P, the biomass increased, the fine root morphology decreased in the Feb.. The morphology of fine root was the best under the treatment P2.

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