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Effects of container size and planting materials on growth of Portulaca grandiflora under different conditions

Organization(s):Wichienmatu
Country:Thailand
Student(s):Ms.Thananchanok Tongdumri Ms.Jirapach Sopan Mr.Premkitti Jitpong
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Member(s):Jiraporn Sirirat
Contributors:Kwanjai Karnchanasrimek Jiraporn Sirirat
Report Type(s):Virtual Science Symposium Report
Protocols:Soil pH, Soil Temperature, Soil Moisture - Gravimetric, Soil Characterization, Soil Fertility
Presentation Poster: View Document
Language(s):English
Date Submitted:2026-01-29
This study was conducted by preparing containers and Moss Rose plants of equal size, before planting them in two different shapes and sizes of containers for a period of 2 months. Soil samples were randomly collected for quality analysis of moisture, pH, NPK nutrient content, temperature, and soil structure every week for a total of 5 times, with 3 replicates per session. Additionally, growth was monitored by measuring height, stem size, and the number of leaves every 2 weeks.
This study was conducted by preparing containers and Moss Rose plants of equal size, before planting them in two different shapes and sizes of containers for a period of 2 months. Soil samples were randomly collected for quality analysis of moisture, pH, NPK nutrient content, temperature, and soil structure every week for a total of 5 times, with 3 replicates per session. Additionally, growth was monitored by measuring height, stem size, and the number of leaves every 2 weeks.


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