SUSTAINABILITY IN FOOD TECHNOLOGY
SUSTAINABLE FOOD PRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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O Horizon
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A Horizon
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B Horizon
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C Horizon
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Detailed explanation-1: -The A-Horizon or Topsoil. This layer is rich in organic material and is known as the humus layer. This layer consists of both organic matter and other decomposed materials.
Detailed explanation-2: -The A horizon is the top layer of the mineral soil horizons, often referred to as ‘topsoil’. This layer contains dark decomposed organic matter, which is called “humus".
Detailed explanation-3: -R (bedrock): A mass of rock such as granite, basalt, quartzite, limestone or sandstone that forms the parent material for some soils – if the bedrock is close enough to the surface to weather.
Detailed explanation-4: -The topsoil layer is a mixture of sand, silt, clay and broken down organic matter, called humus. Humus is rich, highly decomposed organic matter mostly made from dead plants, crunched-up leaves, dead insects and twigs.