广西林业科学2024，Vol.53Issue(1)：42-48,7.DOI:10.19692/j.issn.1006-1126.20240106
羧甲基纤维素钠对红海榄幼苗生长和土壤养分的影响
Effects of Sodium Carboxymethyl Cellulose on Growths of Rhizophora stylosa Seedlings and Soil Nutrients
摘要
Abstract
In order to clarify improvement effects of sodium carboxymethyl cellulose(CMC)on sandy gravel soils in coastal difficult sites,taking Rhizophora stylosa hypocotyls as materials,effects of different CMC appli-cation amounts(mass ratios were 1.6%,2.4%,3.2%,4.0%and 4.8%)on growths of R.stylosa seedlings and soil nutrients were analyzed through indoor tidal-simulation test.Results showed that growths and biomass of R.sty-losa seedlings showed increasing and then decreasing trends with increase of CMC application amounts,which were maximal at 4.0%CMC treatment.Compared with CK,plant heights,ground diameters and number of leaves increased to 9.78%-38.54%,13.83%-54.31%and 20.00%-36.67%respectively,and biomass of roots,stems and leaves increased to 10.58%-64.72%,7.97%-36.76%and 37.62%-117.99%respectively,and con-tents of soil organic matter,total potassium and available potassium significantly increased to 625.22%-671.96%、147.62%-161.52%and 55.56%-77.78%respectively.CMC could promote growths of R.stylosa seedlings and improve soil nutrients,which could be used as soil amendments for sandy gravel soils in coastal difficult sites and recommended application amount was 4.0%.关键词
羧甲基纤维素钠/红树林/红海榄/砂砾质土壤/土壤改良Key words
sodium carboxymethyl cellulose/mangrove/Rhizophora stylosa/sandy gravel soil/soil improvement分类
农业科学引用本文复制引用
李婷,林梓,朱立安,李玫,陈粤超,陈玉军..羧甲基纤维素钠对红海榄幼苗生长和土壤养分的影响[J].广西林业科学,2024,53(1):42-48,7.基金项目
广东省重点领域研发计划(2020B020214001) （2020B020214001）
海南省自然科学基金项目(421RC658) （421RC658）
国家自然科学基金项目(41771232) （41771232）
