Articles

Potassium in plants

Potassium is an essential plant nutrient, one of the three macro-elements – nitrogen, potassium and phosphorus (NPK), as it is absorbed by plants in relatively large quantities. Potassium enhances crop yields and quality in different...
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Irrigation water quality

The quality and composition of the irrigation water may affect plant development, soil structure and the irrigation system itself. Irrigation water quality refers mainly to the chemical composition of the water, or more specifically, to...
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Water Disinfection Byproducts (DBP)

The use of some disinfectants, such as chlorine, results in the formation of byproducts, many of them are considered carcinogenic. Disinfection byproducts are formed as a result of a reaction of the disinfectant with several...
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Activated carbon in water treatment

In water treatment, treatment with activated carbon is an adsorption process, in which impurities are trapped, by adsorption, on the surface of the carbon particles. The activated carbon particles have a porous micro-structure with a...
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Tomato diseases

Tomato plants can be affected by numerous plant diseases, caused by fungi, bacteria and viruses. Disease occurrence and development are greatly influenced by: Air temperature and humidity. Soil moisture. Pests that can transmit the disease....
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Coagulation in water treatment

Water and wastewater may contain suspended and dissolved impurities that must be removed in order to meet certain water quality criteria. These impurities include: Silt Bacteria, algae and viruses Material derived from organic soil matter...
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Irrigation with desalinated water

Desalinated water is being used for irrigation purposes in many places around the world, where the available water source is too saline to be used. Such water sources may include groundwater, sea water and sometimes...
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Water Hardness

Water hardness is defined as the sum of the divalent metallic ions in the water. The main contributors to the hardness of the water are calcium and magnesium. Additional contributors to the hardness of the...
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