|Table of Contents|

Effects of Different Mulching Materials on Tree Growth and Soil Characteristics in Young Apple Orchards

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年13
Page:
99-106
Research Field:
Publishing date:

Info

Title:
Effects of Different Mulching Materials on Tree Growth and Soil Characteristics in Young Apple Orchards
Author(s):
CHEN Xue; YAN Xuerong; LI Dongsheng; WANG Chong; ZHANG Chaochun
(College of Resources and Environment,China Agricultural University,Beijing 100094)
Keywords:
apple orchards; ground coverage; weed control; soil nutrients; new shoot growth; leaf quality
PACS:
-
DOI:
10.11937/bfyy.20204587
Abstract:
Taking 3-year-old ‘Red Fuji’ apples in the suburbs of Beijing as the experimental material,in-row mulching with horticultural fabric,polyethylene film and degradable plastic film,taking no-mulching as control treatment (CK),effects of different ground mulch materials on weeds control,soil nutrient content and tree growth in young apple orchards were studied.In order to provide a reference for the ground management of mountain orchards.The results showed that ground mulch significantly reduced weeds biomass compared with CK,in which horticultural fabric,polyethylene film and degradable plastic film reduced weeds fresh biomass by 92.21%,84.00% and 46.45%,respectively.The weeds control effectiveness of horticultural fabric was the best.After long-term surface application of fertilizers,ground mulch causes the soil nutrient content to significantly decrease compared with CK.The soil organic matter content in 0-20 cm soil due to the mulching with horticultural fabric,polyethylene film and degradable plastic filmwas reduced by 52.64%,5.08% and 30.29%,the available phosphorus by 27.63%,35.07% and 33.11%,respectively,compared with CK.Horticultural fabric mulch decreased 0-20 cm soil total nitrogen content by 48.28%,while others had no impact on it.In the 20-40 cm soil layer,compared with CK,mulching horticultural fabric and degradable plastic filmreduced the soil organic matter content by 25.34% and 35.83%,the total nitrogen content by 24.09% and 54.74%,and the available potassium content by 13.81% and 15.23% respectively,the available phosphorus content was not significantly different from CK,while those were not altered by polyethylene ground film.The ground mulch significantly increased new shoots length of young apple trees and promoted its growth,with the most effect of horticultural fabric which enhanced the growth rate of new shoots by 360.23% compared with CK.Compared with CK,three mulching significantly increased the fresh weight and water content of leaves,but horticultural fabric decreased hundred leaf dry weight by 18.13% and others had no effect.In addition,three mulching significantly increased nitrogen and potassium content of leaves,but those had no significant effect on phosphorus content of leaves.Among them,horticultural fabric mulching had the most effect on increasing mineral nutrient contentof leaves.In words,in-row mulching in young apple orchards was effective way to control weeds with the effects,causing changes in soil nutrient content,promoting tree growth and leaf quality improve.From the perspective of promoting fruit tree growth,effects of horticultural fabric is the most obvious among the three mulching materials.

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Last Update: 2021-10-11