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The Analysis of External Factors on Affecting Yield and Quality of Yali Pear(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年04期
Page:
13-16
Research Field:
Publishing date:

Info

Title:
The Analysis of External Factors on Affecting Yield and Quality of Yali Pear
Author(s):
CHENG Fu-hou1; YANG Jun-jie2; ZHAO Zhi-jun1; WANG Qing-jiang2
1.Agricultural College,Hebei University of Engineering,Handan,Hebei 056001；
2.Forestry Bureau of Cangzhou City,Cangzhou,Hebei 061001
Keywords:
pear; yield; quality; irrigation; soil; precipitation
PACS:
S 662.1
DOI:
-
Abstract:
The yield,fruit quality factors and external factors of different pear production in Hebei Province were investigated.The results were counted by stepwise regression analysis,in order to explore the relationship between pear yield,fruit quality and the external factors.The results showed that it had a greater positive effect the amount of soil potassium,irrigation on pear yield.Leaf-fruit ratio and soil available phosphorus content had a smaller negative effect on the yield.The rainfall during growing season had a greater negative effect on fruit soluble solids content(SSC).Leaf-fruit ratio on fruit SSC had a positive effect.Soil organic matter content on singale fruit weight had a greater a positive impact.The correlation coefficient of various factors to pear yield,single fruit weight and SSC did not reach the level of significant differences.To ensure the fruit SSC of 11.0% above；the yield of 3 500 kg/667m2,the annual volume of irrigation about 150 mm was essential to meet the water needs of the pear in the case of loam type,organic matter content of more than 4.6 g/kg orchards,growing season precipitation in the 530.9～554.9 mm.

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Last Update: 2014-08-26