why it is important to conserve the soil fertility?
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The presence of various plant nutrients in soil increases soil fertility. ... A significant way that organic farmers increase soil fertility on their crops is by preserving soil organisms. The preservation of the beneficial living things in the soil is also a technique that organic farmers use to conserve soil.
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Clay soils bring many gardeners out in a cold sweat. ... But the truth is that clay soils can be truly brilliant in a garden. They are rich in nutrients and retain plenty of moisture – two important things that plants need to grow well. In fact, many plants thrive in these conditions.
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['Increases soil fertility. ... ', 'Increases crop yield. ... ', 'Increase in soil nutrients. ... ', 'Reduces soil erosion. ... ', 'Limits concentration of pests and diseases. ... ', 'Reduces the stress of weeds. ... ', 'Improves the soil structure. ... ', 'Reduces pollution.']
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Soil porosity is important for many reasons. A primary reason is that soil pores contain the groundwater that many of us drink. Another important aspect of soil porosity concerns the oxygen found within these pore spaces. All plants need oxygen for respiration, so a well-aerated soil is important for growing crops.
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Soil conservation practices are tools the farmer can use to prevent soil degradation and build organic matter. These practices include: crop rotation, reduced tillage, mulching, cover cropping and cross-slope farming. farmers to increase soil organic matter content, soil structure and rooting depth.
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By producing healthier grassland, cattle grazed on rotation are said to increase the soil's capacity to store carbon. This is because bigger and healthier grass has the capacity to take up more carbon dioxide from the atmosphere, storing part of this in their roots, and thus sequestering it into the soil.
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Summary: Organic agriculture shows a superior environmental performance per unit area than conventional agriculture according to many environmental indicators. Organic management also provides an opportunity to improve soil fertility and reduce soil degradation.
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They play an important role in medicine yielding antibiotics, in agriculture by maintaining the fertility of the soil and causing crop and fruit diseases, forming basis of many industries and as important means of food. Some of the fungi are important research tools in the study of fundamental biological processes.
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Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks, affect both erosion and fertility. When plants die, they decay and become part of the soil. Code 330 defines standard methods recommended by the U.S. Natural Resources Conservation Service.
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["It improves production and raise farmer's income. ... ", 'It reduces the use of pesticide and insecticide during farming that might be great moves for the betterment of the food supply.', 'It can feed a rapidly increasing population because it shows dramatically increased yields.']
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We depend on the soil for food, clothing and shelter : By supporting growth of plants, the soil provides us with food.
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Benefits of Composting Enriches soil, helping retain moisture and suppress plant diseases and pests. Reduces the need for chemical fertilizers. Encourages the production of beneficial bacteria and fungi that break down organic matter to create humus, a rich nutrient-filled material.
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Pesticides and insecticides are able to protect the crops from pests and insects. A good irrigation system is able to enhance crop production. Loss of soil fertility due to increased use of chemical fertilisers. Continuous use of groundwater for tubewell irrigation has reduced the water table below the ground.
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Indeed, soil quality is directly linked to food quality and quantity. Soils supply the essential nutrients, water, oxygen and root support that our food-producing plants need to grow and flourish. They also serve as a buffer to protect delicate plant roots from drastic fluctuations in temperature.
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Chemical fertilisers pollute the groundwater, rivers and lakes. (ii) The continuous use of chemical fertilisers has led to degradation of soil health. Environmental resources like soil fertility and groundwater are built up over many years. Once destroyed it is very difficult to restore them.
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['It does not provide good soil access. ... ', 'It changes the structure of our atmosphere. ... ', 'It can change weather patterns. ... ', 'It provides a finite revenue boost. ... ', 'It contributes to extinction-level events. ... ', 'It can cause more frequent flooding. ... ', 'It is a finite resource.']
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In soil science, hydrology and agricultural sciences, water content has an important role for groundwater recharge, agriculture and soil chemistry. If the moisture content of a soil is optimum for plant growth, plants can readily absorb soil water. Not all the water, held in soil, is available to plants.