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Soil health and fertility
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- Soil organic matter is critical to soil health and fertility. Along with plant roots, it holds soil particles together. This stabilizes soil structure, reduces soil erosion and improves the ability of soil to store and transport air, water and nutrients. Good soil structure also improves soil workability (or tilth).
agriculture.canada.ca/en/environment/resource-management/indicators/soil-organic-matter
Organic matter is the single most important soil property that reduces pesticide leaching. It holds tightly on to a number of pesticides. This prevents or reduces leaching of these chemicals into groundwater and allows time for detoxification by microbes.
Nov 25, 2021 · WHY IS SOIL ORGANIC MATTER IMPORTANT? Soil organic matter is intimately linked to numerous key physical, chemical, and biological soil properties. It is so important for soil function that it is almost impossible to find a soil property that is not influenced by soil organic matter in some way.
Nov 18, 2023 · Organic matter is the single most important soil property that reduces pesticide leaching. It holds tightly on to a number of pesticides. This prevents or reduces leaching of these chemicals into groundwater and allows time for detoxification by microbes.
From a practical agricultural standpoint, it is important for two main reasons: (i) as a “revolving nutrient fund”; and (ii) as an agent to improve soil structure, maintain tilth and minimize erosion. As a revolving nutrient fund, organic matter serves two main functions:
Activities that promote the accumulation and supply of organic matter, such as the use of cover crops and refraining from burning, and those that reduce decomposition rates, such as reduced and zero tillage, lead to an increase in the organic matter content in the soil (Sampson and Scholes, 2000).
The organic matter content, especially the more stable humus, increases the capacity to store water and store (sequester) C from the atmosphere. The soil food web.
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(SF1942, Nov. 2019) Publication File: Soil Organic Matter Does Matter. This publication talks about soil organic matter and its classifications and benefits. It also describes how to build organic matter and how it is destroyed. Lead Author: Caley Gasch, Assistant Professor of Soil Health, NDSU.
