SOP 00-00-50 is a water soluble Potassium Sulphate (SOP) fertilizer which is totally water soluble in crystalline form. It contains high quality macro and essential nutrients and chloride free ingredients. This can be applied to the crop by fertigation or through foliar spraying.
Potassium (K) is absorbed by the plants in larger amount than any other nutrient except Nitrogen. Although the total K content of soil is usually many times greater than the amount taken by the plants but in most cases only a very small fraction of the soil K is available to the plants for nutrition. The unavailable form of K accounts for 90-98% of the total soil K. The readily available form is only 0.1-2.0% Therefore it must be supplemented by applying K fertilizers in every crop to protect them from getting deficient and to avoid the economic yield loss.
Potassium (K) fertilizer is commonly added to improve the yield and quality of plants growing in soils that are lacking an adequate supply of this essential nutrient. Most fertilizer K comes from ancient salt deposits located throughout the world. The word “potash” is a general term that most frequently refers to potassium chloride (KCl), but it also applies to all other K-containing fertilizers, such as potassium sulfate (K₂SO₄, commonly referred to as sulfate of potash, or SOP). Production
Potassium is a relatively abundant element in the Earth’s crust, and production of potash fertilizer occurs in every inhabited continent. However, K₂SO₄ is rarely found in a pure form in nature. Instead it is naturally mixed with salts containing magnesium, sodium and chloride (Mg, Na and Cl, respectively). These minerals require additional processing to separate their components. Historically, K₂SO₄ was made by reacting KCl with sulfuric acid. However, researchers later discovered that they could manipulate a number of earth minerals to produce K₂SO₄, now the most common method of production. For example, natural K-containing minerals (such as kainite and schoenite) are mined and carefully rinsed with water and salt solutions to remove byproducts and produce K₂SO₄. The mining industry uses a similar process to harvest K₂SO₄ from the Great Salt Lake in Utah and from underground mineral deposits. Chemical formula K2SO4
K Content: 40 to 44% (48 to 53% K2O)
S content: 17 to 18%
Solubility: ( 25oC) 120 g/L
Solution pH approx 7
Uses in Agriculture
Potassium sulfate is an excellent source of K nutrition for plants. The K portion of the K₂SO₄ is no different from other common potash fertilizers. However, it also supplies a valuable source of S, which protein synthesis and enzyme function require. Like K, S can also be too deficient for adequate plant growth. Further, Cl- additions should be avoided in certain soils and crops. In such cases, K₂SO₄ makes a very suitable K source.
Potassium sulfate is only one-third as soluble as KCl, so it’s not as commonly dissolved for addition through irrigation water unless there’s a need for additional S.
Several particle sizes are commonly available. Manufacturers produce fine particles (smaller than 0.015 mm) to make solutions for irrigation or foliar sprays, since they dissolve more rapidly. And growers find foliar spraying of K₂SO₄ a convenient way to apply additional K and S to plants, supplementing the nutrients taken up from the soil. However, leaf damage can occur if the concentration is too high.
Advantages
1- Fully Water Soluble 2- Instant uptake of nutrients by the plants resulting in significant and quick improvement in crop will be seen 3- Free of chloride, sodium and other detrimental elements for plants through this application, nutrient uptake efficiency will be enhanced as losses due to leaching volatilization will be minimized 4- K is specially structured and designed, this will give an excellent growth in all the stages of crop namely seedling stage, vegetative stage, reproductive stage and ripening stage 5- The nutrients are textured and cohesively balanced. Hence, this will give better result and excellent yield in all crops like fruits, vegetables, flowers, field crops, foliage crops etc. 6- Wide-range compatibility with all types of fertilizers and agrochemicals
S.O.P 0.0.50 Postassium Sulphate available at AK industry. We import this fertilizer from DOW CROP UK. AK Industry is the certified distributer of DOW CROP in Pakistan.
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