|Table of Contents|

Factors Affecting Soil Trace Elements in Leaf Nutrition of New and Old Apple Orchards

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年15
Page:
66-73
Research Field:
Publishing date:

Info

Title:
Factors Affecting Soil Trace Elements in Leaf Nutrition of New and Old Apple Orchards
Author(s):
YAO Zhilong1; 2; MENG Yuan1; 2; 3; ZHANG Liang1; 2; 3; XU Weixuan1; ZHANG Pan1; WANG Yijin1
(1.College of Agriculture and Forestry，Longdong University，Qingyang，Gansu 745000;2.Environmental Engineering Technology Research Center,Longdong University,Qingyang，Gansu 745000;3.Gansu Key Laboratory of Protection and Utilization for Biological Resources and Ecological Restoration,Qingyang，Gansu 745000)
Keywords:
Loess Plateau; tree age; soil trace elements; correlation
PACS:
-
DOI:
10.11937/bfyy.20224496
Abstract:
Taking the leaves of different age fruit trees and 0-40 cm soil layer of orchards in the Longdong apple production area of the Loess Plateau as test materials，the correlation analysis between soil trace elements and leaf nutrient content was conducted using SPSS software to study the effect of soil trace elements on leaf nutrient content,in order to provide reference for the management of microelement nutrition in apple orchard soil.The results showed that,1) the leaves K of apple trees of 1-7 years old was lower，and leaves N of 26-30 years old was lower.There was no significant difference between total P and Ca in leaves of different tree ages.2)The leaf thickness of young orchards was larger，but there was no significant difference between the dry weight of one hundred leaves，chlorophyll content and leaf area of orchards of different tree ages.3)The contents of B，Fe2O3，total Fe，Cl，MgO，CaO and Mn in the soil of Longdong apple orchard were higher than the background values;Mo content in soil was lower than background value.The content of sulfur in 1-7 years and 26-30 years orchard was lower than the background value，while that of 8-25 years orchard was higher than the background value.4)The content of total K and Ca in leaves was significantly negatively correlated with soil B，and the content of K in leaves was significantly positively correlated with soil Mo and MgO.However，the effects of soil microelements on tree age，density，N and P contents in leaves were not significant.This study found that the content of soil B，Mo and MgO was the main influencing factor of leaf nutrition in Longdong apple orchard.

References:

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Last Update: 2023-09-19