The red soil indicates that it is rich in iron or Fe 2 O 3 while yellow colour suggests the presence of hydrated compounds namely Fe (OH) 3. In some tropical areas, green soil is also found indicating the presence of high concentration of ferrous compounds such as ferrous oxide etc. The white soil relates to the presence of calcium carbonate in excess.
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Red soil is an important soil resource, which bears substantial implication for sustainable development of agriculture and healthy growth of economy. However, the red soil in China has been deteriorating in recent years and facing many threats, such as soil erosion, acidification, and pollution. Among these, contamination of heavy metals, particularly arsenic and cadmium pollution in paddy.Red soil is a type of soil that develops in a warm, temperate, moist climate under deciduous or mixed forest, having thin organic and organic-mineral layers overlying a yellowish-brown leached layer resting on an illuvium red layer. Red soils are generally derived from crystalline rock. They are usually poor growing soils, low in nutrients and humus and difficult to be cultivated because of.Google Images. The most comprehensive image search on the web.
In the case of soil-borne diseases, the pathogens can remain in the soil for long periods, waiting for the host - our plants - to come along. The environmental conditions can vary widely. Some pathogens favor damp conditions, some like certain soil pH levels and others target tender, succulent growth.Read More
Red soils are highly leached soils of the humid tropics having a high content of sesquioxides. In the current system of U. S. Soil Taxonomy, red soils are usually designated under the orders of Oxisols, Ultisols, and occasionally Alfisols, Mollisols and even Inceptisols. Red soils are predominantly found in South America, Central Africa, South and Southeast Asia, China, India, Japan and.Read More
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Soils and Foundations is one of the leading journals in the field of soil mechanics and geotechnical engineering. It is the official journal of the Japanese Geotechnical Society (JGS)., The journal publishes a variety of original research paper, technical reports, technical notes, as well as the state-of-the-art reports upon invitation by the Editor, in the fields of soil and rock mechanics.Read More
Soil should be well-draining and rich in organic matter. A soil consistency somewhere between sandy and loamy will ensure that the soil drains well and warms quickly. Soil pH should be on the acidic side—5.5 to 6.5, ideally. A week before transplanting peppers into the garden, introduce fertilizer or aged compost into your garden soil.Read More
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Loamy soil is one of the riches soil types because of its composition. Loamy soil is composed of a mixture of clay, sand, silt, and decaying organic materials (humus). The soil has a pH level of 6 with high calcium content and the potential of retaining water and nutrients for relatively longer periods. This is what makes it one of the riches soils for crop production. The distinguishable.Read More
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Soil supports germination: Without soil, the earth would have lacked plants, trees, and forests. When a seed from tree falls on to the soil. Soil gives safe protection and the environment for its growth. Hence it is useful for the germination of seeds to grow into plants. Without soil, there would have been no trees and plants on the earth. More than 95% of trees in this world are grown.Read More