นำเสนอโครงงานวิทยาศาสตร์ประเภททดลอง ป.4-6 ระดับชาติ

Summary

A group of students from Ban Non Ang School presents their science project on the comparison of compost quality made from earthworm and chicken manure. The project focuses on a quick composting method that reduces time, space, and material usage while promoting safe agricultural practices. Through their experiments, the students found that earthworm compost produced the best results in terms of plant growth. The project advocates for sustainable farming methods, emphasizing the benefits of composting in reducing chemical fertilizer usage and its positive impact on the environment.

Takeaways

• 😀 The project focuses on comparing the quality of different types of compost fertilizer, specifically from worms, cow manure, and chicken manure.
• 😀 The goal is to explore alternatives to chemical fertilizers, which harm the environment and consumers, by promoting eco-friendly and efficient composting methods.
• 😀 The project aims to develop a method for faster and smaller-scale composting using a small drum system that saves time and space.
• 😀 The hypothesis suggests that worm-based compost will be the most effective in promoting plant growth, followed by cow manure and chicken manure.
• 😀 The materials used in the experiment include worms, cow manure, chicken manure, EM microorganisms, molasses, and water, along with necessary equipment like plastic bags and pH meters.
• 😀 The experiment involved preparing compost from each type of manure, observing plant growth, and measuring physical properties such as pH and sedimentation.
• 😀 The results show that the mustard plants grew best with chicken manure compost, with the highest growth in height, leaf length, and width.
• 😀 The pH levels of the composts were measured, with chicken manure showing the highest pH, followed by cow manure and worm compost.
• 😀 The study concluded that chicken manure compost is the most efficient, providing the best results for plant growth and being easy to produce with limited space.
• 😀 Recommendations include sharing the knowledge from the study with local communities and encouraging the use of these composting methods to promote sustainable agriculture.
• 😀 Further research is suggested to explore other local materials for composting, ensuring more effective and eco-friendly agricultural practices.

Q & A

What is the focus of the project presented in the script?

The project focuses on comparing the quality of space compost fertilizers made from earthworm castings and chicken manure to determine which one provides the best plant growth for sustainable agriculture.

Why is the use of chemical fertilizers a concern in this project?

Chemical fertilizers pose environmental and health risks, and there is a lack of awareness about their impact on both the environment and consumers. The project aims to explore alternatives like compost to reduce reliance on chemicals.

What is the hypothesis of the study conducted in the project?

The hypothesis is that compost made from earthworm castings will be more effective than compost made from chicken manure in promoting plant growth.

What materials are used to make the compost in this study?

The materials used to make the compost include earthworm castings, chicken manure, molasses, EM (Effective Microorganisms), and water.

What are the main objectives of the study?

The objectives are to compare the quality of compost made from earthworm castings, chicken manure, and a mix of both, to develop methods for producing safe, effective compost, and to promote environmentally friendly agricultural practices.

How is the compost prepared in the study?

The compost is prepared by mixing the ingredients (earthworm castings, chicken manure, molasses, and EM solution) together, forming piles for each type, and allowing them to ferment for 7-15 days under controlled conditions.

What is the method used to test the effectiveness of the compost?

The effectiveness of the compost is tested by planting cabbage seedlings in soil mixed with the compost, and measuring plant growth (height, leaf length, and width) over several weeks.

What were the results of the plant growth experiment?

The compost made from earthworm castings showed the highest plant growth in terms of height, leaf length, and overall weight, followed by the compost made from chicken manure.

What are the key findings regarding the compost types?

The key findings show that the compost made from earthworm castings was the most effective in promoting plant growth, while chicken manure-based compost was also beneficial but less effective in comparison.

What are the recommendations based on the findings of this study?

The study recommends sharing knowledge about the benefits of space compost to help reduce fertilizer costs, promote environmental sustainability, and encourage further research into other compost types that could be beneficial for agriculture.