Search results
Results from the WOW.Com Content Network
This compound causes rainfall pH to be around 5.0–5.5. When rainfall has a lower pH than natural levels, it can cause rapid acidification of soil. Sulfur dioxide and nitrogen oxides are precursors of stronger acids that can lead to acid rain production when they react with water in the atmosphere
Soil gases (soil atmosphere [1]) are the gases found in the air space between soil components. The spaces between the solid soil particles, if they do not contain water, are filled with air. The primary soil gases are nitrogen, carbon dioxide and oxygen. [2] Oxygen is critical because it allows for respiration of both plant roots and soil ...
Eutrophication, a decline in oxygen content of water, of aquatic systems can cause the death of fish and other marine species. Finally, leaching of NO 3 from acidic sources can increase the loss of calcium and other soil nutrients, thereby reducing an ecosystem 's productivity.
Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...
It is important that the measurement is not allowed to run over a longer period of time as the increase in CO 2 concentration in the chamber will also increase the concentration of CO 2 in the porous top layer of the soil profile. This increase in concentration will cause an underestimation of soil respiration rate due to the additional CO 2 ...
The size of the ginger rhizome is essential to the production of ginger. The larger the rhizome piece, the faster ginger will be produced and therefore the faster it will be sold onto the market. [39] Prior to planting the seed rhizomes, farmers are required to treat the seeds to prevent pests, and rhizome rot and other seed-borne diseases. [39]
Measured on the pH scale, soil acidity is an invisible condition that directly affects soil fertility and toxicity by determining which elements in the soil are available for absorption by plants. Increases in soil acidity are caused by removal of agricultural product from the paddock, leaching of nitrogen as nitrate below the root zone ...
They also include carbon, oxygen, and hydrogen. Lignins are complex compounds from the older wood parts. They are resistant to decomposition. Lignins are composed primarily of carbon, oxygen, and hydrogen. Proteins composed of nitrogen, carbon, hydrogen, and oxygen; and small amounts of sulfur, iron, and phosphorus. [1]