Metode Feeling Penentuan Tekstur Tanah

Summary

In this video, Junior explains the method of determining soil texture using the 'feeling method.' After collecting a soil sample from a depth of 20 cm and placing it in a polybag, he demonstrates how to analyze the texture by shaping the soil into a ball and forming a ribbon. The soil is then pressed to check its consistency and ribbon length. Based on his observations, the soil is identified as clay loam, as it’s not too coarse or fine. This method effectively helps in determining soil texture. He concludes by thanking viewers.

Takeaways

• 🧑‍🏫 Junior introduces himself and greets with 'Alhamdulillah Assalamualaikum warahmatullahi wabarakatuh.'
• 🌱 He explains that he will demonstrate the 'feeling method' to determine soil texture.
• 🪴 He collected soil samples from a depth of about 20 cm and placed them in polybags for analysis.
• 🤲 The first step involves taking a handful of soil and adding water little by little until it can be formed into a ball.
• ⚪ If the soil remains in a ball shape when pressed, it indicates a specific soil characteristic.
• 📏 The soil ball is then tested to form a ribbon by squeezing; this ribbon is measured between 2 to 6 cm.
• 🪨 The soil texture is observed to not be too coarse or too fine, indicating a loamy clay type.
• 📝 The process confirms that when the soil is pressed, it maintains its shape and forms a ribbon without breaking immediately.
• 🌾 The ribbon length before breaking helps determine the soil texture, classified here as loamy clay.
• 🙏 He concludes by thanking the audience for their attention and ends with 'wassalamualaikum warahmatullahi wabarakatuh.'

Q & A

What is the method used in the video to determine soil texture?

The method used in the video to determine soil texture is called 'feeling' or 'manual method,' where soil is shaped and tested by hand.

What depth was the soil sample taken from?

The soil sample was taken from a depth of around 20 cm.

What is the purpose of adding water to the soil sample?

Water is added to the soil sample to assess its texture by shaping it into a ball and determining whether it maintains its form.

What does it indicate if the soil remains in the shape of a ball after pressing?

If the soil remains in the shape of a ball after pressing, it indicates that the soil has a certain level of cohesiveness, which is important for determining its texture.

What is the significance of being able to form the soil into a ribbon or 'pita'?

Forming the soil into a ribbon indicates the plasticity of the soil, which helps further classify its texture. In the video, the ribbon reached about 3-6 cm before breaking.

What conclusion is reached about the soil texture in the video?

The soil texture was determined to be clay loam ('lempung berliat'), as it was neither too coarse nor too fine.

Why is the length of the ribbon important in determining soil texture?

The length of the ribbon is important because it provides information about the soil's plasticity and clay content. A longer ribbon suggests higher clay content.

What visual or physical signs indicate that the soil has a loamy texture?

The soil's ability to form a ball and a ribbon, combined with the fact that it wasn't too coarse or fine, indicated that the soil had a loamy texture.

What is the importance of determining soil texture in agriculture?

Soil texture is crucial in agriculture as it affects water retention, nutrient availability, and root penetration, which are essential for plant growth.

What does the phrase 'lempung berliat' refer to in the context of soil classification?

'Lempung berliat' refers to clay loam, a type of soil texture that contains a balanced mixture of clay, silt, and sand, making it suitable for many types of crops.