[1]魏斌,李友明,翟广生,等.氮肥对番茄营养功能特征及果实产量的影响[J].北方园艺,2015,39(09):158-163.[doi:10.11937/bfyy.201509044]
　WEI Bin,LI You-ming,ZHAI Guang-sheng,et al.Effect of Nitrogenous Fertilizer on Nutritional Functional Traits and Fruit Yield of Lycopersicon esculentum[J].Northern Horticulture,2015,39(09):158-163.[doi:10.11937/bfyy.201509044]
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氮肥对番茄营养功能特征及果实产量的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第39卷 期数: 2015年09 页码: 158-163 栏目: 出版日期: 2015-05-15
Title:
Effect of Nitrogenous Fertilizer on Nutritional Functional Traits and Fruit Yield of Lycopersicon esculentum
文章编号:
1001-0009（2015）09-0158-06
作者:
魏斌1; 2 ; 李友明2; 翟广生2; 李毓灵3
（1.兰州大学 草地农业生态系统国家重点实验室，甘肃 兰州 730000；2.广元市昭化区农业局，四川 广元 628000；3.德阳市旌阳区中医院，四川 德阳 618000）
Author(s):
WEI Bin1; 2 ; LI You-ming2; ZHAI Guang-sheng2; LI Yu-ling3
（1.State Key Laboratory of Grassland Agro-ecosystems，Lanzhou，Gansu 730000；2.Agricultural Bureau of Zhaohua，Guangyuan，Sichuan 628000；3.Traditional Chinese Medical Hospital of Jingyang District，Deyang，Sichuan 618000）
关键词:
氮肥; 番茄; 营养功能特征; 果实产量
Keywords:
nitrogenous fertilizer; Lycopersicon esculentum; nutritional functional traits; fruit yield
分类号:
S 641.206+ .2
DOI:
10.11937/bfyy.201509044
文献标志码:
A
摘要:
以番茄为试材，研究不同施氮水平对番茄营养功能特征及果实产量的影响。结果表明：与无氮区相比，各施氮处理均程度不同地提高了番茄的植株高度、比叶面积和果实产量，氮肥梯度与番茄的株高、比叶面积和果实产量呈正相关关系，与叶干物质含量和单位叶面积根量呈负相关关系，而与相对生长率无显著相关性，施氮强度达到一定肥效阈值后，番茄果实产量提高率下降，产量提高不明显。番茄果实产量与株高、相对生长率和比叶面积呈显著线性正相关关系，与叶干物质含量呈显著负相关关系（P<0.05），与单位叶面积根量则无显著相关性（P>0.05）。结果表明，适量施氮可促进番茄根叶等营养器官发育，但过量施氮，导致番茄营养生长过盛，抑制了生殖生长，从而导致肥效对番茄果实产量提高作用下降。因此，在番茄生产和管理中，对于番茄幼苗管理，可适当增施氮肥，有助于植物体快速生长和发育，但对于盛果期番茄，应适量施氮，以免肥料浪费和果实产量受到负面影响。
Abstract:
Taking Lycopersicon esculentum as test material，the effect of different fertilizing levels on Lycopersicon esculentum were studied.The results showed that，compared with the nitrogen-free plot，the plant height，specific leaf area and fruit yield were increased in other treatment plots.A positive relationship between nitrogen application levels and the plant height，specific leaf area and fruit yield；and a negative relationship between nitrogen application levels and leaf dry matter content，root mass per unit leaf area；nonetheless，a nonlinear relationship between nitrogen application levels and relative growth rate.Meanwhile，a positive linear relationship between fruit yield and the plant height，specific leaf area and relative growth rate significantly；but a negative relationship between fruit yield and leaf dry matter content(P<0.05)，and the root mass per unit leaf area had non-significant correlation on fruit yield (P>0.05).Those results proved that，the appropriate nitrogen could promote roots，leaves and other vegetative organs of Lycopersicon esculentum，but excessive nitrogen leaded to reproductive growth be inhibit and fruit yield be reduced.Therefore，in production and management of tomato，the appropriate nitrogen was contributed to vegetative growth rapidly at sapling stage；but at adult stage，the nitrogen should be appropriate to ensure the fruit yield.

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备注/Memo

第一作者简介：魏斌（1986-），男，硕士，农艺师，现主要从事土壤肥料的研究与应用等研究工作。E-mail：weib10@lzu.edu.cn.

基金项目：国家测土配方施肥资金资助项目(5108112014)。

更新日期/Last Update: 2015-08-02