|Table of Contents|

Screening of Substrate Formula for Seedling of Koelreuteria bipinnata(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年04
Page:
83-89
Research Field:
Publishing date:

Info

Title:
Screening of Substrate Formula for Seedling of Koelreuteria bipinnata
Author(s):
ZHONG Jundi; CAI Jingai; ZHANG Tao; LIU Wangou; ZHOU Hongbin; YUAN Changchun
(School of Life Science and Technology,Lingnan Normal University，Guangdong,Zhanjiang 524048)
Keywords:
Koelreuteria bipinnata; substrate formulum; physicochemical properties; growth index
PACS:
-
DOI:
10.11937/bfyy.201704019
Abstract:
Taking four mixed-substrates:SA(corn-cob+chicken manure)，SB(bagasse+chicken manure)，SC(coconut fibre+chicken manure)，SD(peanut shells+chicken manure) as test material，fermented by agriculture-forestry organic wastes rich in western part of Guangdong such as corn cob，bagasse，coconut fibre，peanut shells with disinfected chicken manure at the ratio of 1∶1，and applying the statistical method of Simplex Centre and according to the volume ratio=2∶1 of organic and inorganic matrix，15 treatments were mixed by different proportions with inorganic medium composed of vermiculite and perlite at the volume ratio of 1∶1.Taking latosol，latosol plus compound fertilizer and V(peat)∶V(vermiculite)∶V(perlite)=4∶1∶1 as the control groups，the physical and chemical property of the substrates and growth index of Koelreuteria bipinnata seedling were investigated to study the the effects of different substrate formulations on the growth of Koelreuteria bipinnata seedling，and then to screen the best culture medium formula for Koelreuteria bipinnata.The results showed that the physical properties of treatment 13(VSA∶VSC∶VSD∶V(vermiculite)∶V(perlite)=1.33∶1.33∶1.33∶1∶1) were all suitable for the growth of Koelreu-teriabipinnata.The chemical property of treatment 13 were better and more balanced than other substrates，and the morphological characteristics such as plant height and stem diameter，and biomass indices of Koelreu teriabipinnata seedlings on treatment 13 substrate grew better too.In addition，the indexes of substrate were more favorable in treatment 1 (VSA∶V(vermiculite)∶V(perlite)=4∶1∶1) and treatment 12(VSA∶VSB∶VSD∶V(vermiculite)∶V(perlite)=1.33∶1.33∶1.33∶1∶1),but poorer in treatment 14(VSB∶VSC∶VSD∶V(vermiculite)∶V(perlite)=1.33∶1.33∶1.33∶1∶1)and treatment 15(VSA∶VSB∶VSC∶VSD∶V(vermiculite)∶V(perlite)=1∶1∶1∶1∶1∶1).Production costs of treatment 13 and other test substrates were lower，which were about 1/3 of the peat′s cost.Treatment 13 was the best substrate for the growing of Koelreuteria bipinnata seedlings，which can substitute non-renewable resources of peat.

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Last Update: 2017-03-23