This distinction is a subdivision according to the nutrient requirements of plants. This distinction is important when creating crop rotation beds. Heavy feeders (e.g., brassicas) need an extraordinary amount of nutrients for good growth. Therefore, they are the first to be grown in a crop rotation. Average feeders (e.g., carrots) require significantly fewer nutrients. Weak […]
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Herbicides are chemical weed killers used primarily in agriculture to damage or kill plants that compete with crops.
Humic acids are mainly found in nutrient-rich, slightly acidic to neutral soils. They belong to the humic substances. Humic substances are formed from fragments and residues that are difficult to convert, such as spruce needles. They form organic-mineral complexes that contribute to structural stability and are very rich in nutrients. However, the nutrients are only
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In chemistry, the group of substances that consists only of carbon and hydrogen is called hydrocarbons. They are mainly found in fossil fuels. The molecular formula is CmHn.
Hydrogen peroxide (H2O2) is a liquid compound of hydrogen and oxygen. It is irritating to eyes, skin and mucous membranes.