SQM's potassium nitrate contributes to a more efficient use of water. High supply of nitrates in the nutrient solution reduces the absorption of chloride, avoiding the use of additional irrigation to remove salinity from the soil Regulates the opening and closing of stomata, resulting in less need for water per kg of plant biomass The correct nutrition of the crop allows the plant to absorb the nutrients properly, thus using the minimum amount of water required by the plant.
Improves plant's water management:
Nitrate-fed plants utilize water twice as efficient as ammonium-fed plants.
Prevents water loss:
Potassium is responsible for opening and closing of stomata. Adequate potassium supply optimizes plant transpiration and reduces its water requirement.
Increases water uptake efficiency:
Adequate potassium nutrition of the plant enhances its water sourcing efficiency from the soil.
Prevents undesirable salinization of the root zone:
Application of potassium nitrate as main K-source eliminates the need for additional irrigation to remove undesirable salts from the root zone.
SQM developed a sustainability plan created based on the United Nations Sustainable Development goals, which aim to guarantee our commitment to the environment and sustainable development of our operations.
Our commitments
SQM's products are from natural origin. They are produced from Caliche Ore and Salar Brines, two natural resources found in the Atacama Desert in northern Chile. In addition, 90% of the energy used in the production process comes from the sun.
By 2030, we aspire to be publicly associated with the world’s green industries and, in consequence, we have advanced in pursuit of this transformation in sustainability through some of the following initiatives:
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