|Table of Contents|

Effects of Orchard Grass on Soil Temperature,Humidity and Number of Natural Enemies in Ningxia

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年04
Page:
93-101
Research Field:
Publishing date:

Info

Title:
Effects of Orchard Grass on Soil Temperature,Humidity and Number of Natural Enemies in Ningxia
Author(s):
LI Xiaolong1; DOU Yunping1; MA Ding2; WANG Chunliang1; LIU Xiangquan3; JIA Yonghua1
(1.Institute of Germplasm,Ningxia Academy of Agricultural and Forestry Sciences,Yinchuan,Ningxia 750002;2.Personnel Services Department,Ningxia Academy of Agricultural and Forestry Sciences,Yinchuan,Ningxia 750002;3.Yinchuan University of Energy,Yinchuan,Ningxia 750105)
Keywords:
cover crop; soil temperature and humidity; number of natural enemies
PACS:
-
DOI:
10.11937/bfyy.20192183
Abstract:
In order to select the suitable of best green manure plant for orchard,taking different grass species like nature grass,lucerne,sudan grass,ryegrass,oilseed rape,trefoil as test material,take clear ploughing as contrast.A field trial was carried out to investigate the effects of orchard grass on soil temperature,soil moisture content and number of natural enemies.The results showed that orchard grasses could significantly reduce soil temperature at 0-15 cm depth,the best variety was lucerne,the second one was trefoil,the third one was ryegrass,their average temperature goes down about 9.28%,5.90%,5.69%.The influence of orchard grass on soil moisture content was mainly concentrated in shallow soil area (5-10 cm).Lucerne is one of the grass varieties that had significant effect on soil moisture content,the second one was trefoil,the third one was sudan grass.the soil moisture content goes up about 28.39%,18.15%,16.20%.Moreover,the number of ladybugs and lacewing flies was also significantly increased in orchard grass region.in conclusion,the ideal orchard grasses screened in this study were lucerne>trefoil>ryegrass and sudan grass.

References:

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Last Update: 2020-03-30