|Table of Contents|

Effects of Root Stretch Space on Nutrient Content of Plant Roll(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年20
Page:
115-121
Research Field:
Publishing date:

Info

Title:
Effects of Root Stretch Space on Nutrient Content of Plant Roll
Author(s):
ZHANG Yong1; LI Shaocai1; 2; SUN Hailong2; 3
1.College of Life Science,Sichuan University,Chengdu,Sichuan 610064；2.Sichuan Allvery Co.Ltd.,Chengdu,Sichuan 610027；3.State Key Laboratory of Water Resource and Hydropower,Sichuan University,Chengdu,Sichuan 610064
Keywords:
roots stretch space; nutrient elements; plant roll
PACS:
-
DOI:
10.11937/bfyy.20170761
Abstract:
The roots stretch spaces are the direct provider of nutrients needed for vegetation ecosystem plants.The effects of the root stretch space on the nutrient content of the substrate were analyzed.The results showed that the nutrient elements content was total nitrogen 12.350 g ? kg-1,total phosphorus 5.519 g ? kg-1,total potassium 6.329 g ? kg-1,total calcium 16.195 g ? kg-1,total magnesium 7.192 g ? kg-1,total iron 18.245 g ? kg-1,total manganese 0.250 g ? kg-1,available cuprum 1.927 mg ? kg-1,available zinc 6.675 mg ? kg-1.The significance analysis showed that there was a significant effect which the root stretch space with the nutrient content.With the cement box (D) as the control,the loss rate of some nutrient elements was accelerated,such as total nitrogen,total manganese,available cuprum,etc.,could also reduce the loss rate of some elements such as total potassium,total calcium,total magnesium,total iron,available zinc and so on.In addition,for total phosphorus,1∶0.5 slope (P2),the sand pile (S) could accelerate the loss,while the rest of the root stretch spaces could reduce the loss rate.According to the 2nd national soil survey and the criteria for grading of soil nutrient status,the potassium elements in all the root stretch spaces were shown to be deficient and extremely deficient,and the available cuprum was medium in the roof (W) and gravel field (Z),and the remaining nutrient content were shown to be slightly abundant and abundant,which showed that the plant roll had a positive significance for the nutrient retention of the root stretch spaces.

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Last Update: 2017-11-01