|Table of Contents|

Effects of Different Fertilizer Level of N，P，K on Physiological Parameters and Yield of Seed-Watermelon(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年21期
Page:
166-170
Research Field:
Publishing date:

Info

Title:
Effects of Different Fertilizer Level of N，P，K on Physiological Parameters and Yield of Seed-Watermelon
Author(s):
ZHANG Zhan-qin; ZHAN Yong; ZHANG Heng-bin; TIAN Hai-yan
Institute of Crop Research，Xinjiang Academy of Agricultural and Reclamation Sicience，Key Lab of Xinjiang Production and Construction Corps for Cereal quality Research and Genetic Improvement，Shihezi，Xinjiang 832000
Keywords:
seed-watermelon; N; P2O5; K2O; yield; dry matter; physiological parameters
PACS:
S 642.906+.2
DOI:
-
Abstract:
This study was to investigate effects of different fertilizer levels of N，P，K on physiological parameters and yield of seed-watermelon.Seven treatments were designed：N1P2K2，N2P2K2，N3P2K2，N2P1K2，N2P3K2，N2P2K1，N2P2K3.The results showed that N and P2O5 had significant influence on yield，but had not on K2O.Yield of N1P2K2,N2P2K2 were 3 970.79，3 700.18 kg/hm2 respectively，higher than others.Dry material of high N was lowest compared with low and middle N，and middle level of P2O5，K2O were higher than high and low level.N，P2O5，K2O had significant influence on economic characters，except that P2O5，K2O on Grain width，or K2O on 1000-grain weight.LAI and population leaf area duration in condition of N1P2K2，N2P2K2 were higher than others during all growth stages.Photosynthetic productivity in condition of N2P2K2 were higher than low and high N，and effects of P2O5，K2O on photosynthetic productivity were different in each growth stage.

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Last Update: 2014-09-01