|Table of Contents|

Effect of Nitrogenous Fertilizer on Nutritional Functional Traits and Fruit Yield of Lycopersicon esculentum(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年09
Page:
158-163
Research Field:
Publishing date:

Info

Title:
Effect of Nitrogenous Fertilizer on Nutritional Functional Traits and Fruit Yield of Lycopersicon esculentum
Author(s):
WEI Bin12 LI You-ming2ZHAI Guang-sheng2LI 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)
Keywords:
nitrogenous fertilizerLycopersicon esculentumnutritional functional traitsfruit yield
PACS:
S 641.206+ .2
DOI:
10.11937/bfyy.201509044
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.

References:


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Last Update: 2015-08-02