Potassium Sulphate (0:0:50)

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  • Chemical Name
    Potassium sulphate
  • CAS No.
  • Color & Physical Form
    White   Solid


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.

- Warner L Nelson

Technically known as Sulphate of Potash, A complete water soluble speciality fertilizer that contains chlorine free high quality Potash and Sulphur, the most important secondary plant nutrient.

Importance of Potash and Sulphur in the plants:


  • Structural component of cell membrane, mitochondria, chloroplast etc.
  • Constituent of nucleic acid.
  • Involved in photosynthesis, activation of several enzymes, energy transfer etc.
  • Required for root and shoot growth.
  • Gives aroma to the produce


  • Sulphur is now recognized as fourth major plant nutrient after N, P and K.
  • Helps in chlorophyll formation, necessary for photosynthesis.
  • Essential constituent of many enzymes, proteins and essential fatty acids.
  • Promotes nodule formation in leguminous crops.
  • Promotes vegetative growth and root development.
  • It helps in increasing the crop's resistance to insect and disease attack and environmental stress.
  • Ensures timely maturity of the crop.
  • Sulphur increases the yield and improves quality of the produce.

Pack Size



Water Soluble Potash (as K2O) min. (in weight)50.0%
Sulphur (as S) min. (in weight)17.5%
Sodium (as NaCl on dry basis) max. (in weight)2.0%
Total chlorides (as Cl on dry basis) max. (in weight)2.5%

Symptoms of Deficiency


  • Small white spots develop on edges of leaves.
  • Loss of chlorophyll causes death of the green tissues.
  • Symptoms occur first on lower and older leaves generally.
  • In cotton and wheat it appears on tip leaves.
  • Weak and sic plants, lodging in small grains.
  • Loss of resistance to diseases.
  • Heavy loss of yield


  • Deficiency symptoms of Sulphur are more likely closer to those of Nitrogen.
  • Symptoms appear first on younger leaves and persist even after application of Nitrogen.
  • Leaves become pale yellow or light green in colour.
  • Plants are less grown, resembles stunted, short stalks and internodes.
  • Less nodule formation in pulse (Legume) crops, reduction in N fixation from the atmosphere.
  • Delayed maturity of the crops, fruits often does not mature and remain light green.
  • Loss of yield in quantity with lower nutritional value.

Sampoorti Product Benefits

  • Contains the highest Potash (K) content available.
  • Increases crops yield and quality of produce .
  • It is helpful in enzyme formation in plants.
  • The presence of Sulphur is important for oilseeds and onion, garlic, tobacco and pea crops.
  • This is virtually free from chloride, sodium & other harmful elements for plants.


  • Field Crops: Cereals, Cash crops, Oil seeds, Pulses
  • Vegetables
  • Fruits

Time and Method of Application with Dosage

  • Suitable for Foliar application and drip irrigation.
  • First Spray – Before grain / fruit setting.
  • Second Spray - 10-15 days after first spray.
  • 1-2 Kg. in 150-200 Lt. of water per acre.


  • For Foliar Spray: 0.8-1.0 % solution in water (1-1.5 kg in 125-150 liter water is sufficient for spray in One Acre area).
  • For Fertigation with irrigation water: 2- 3kg per Acre. For best results, 2-3 repeated sprays or fertigation are required at 12-15 days interval.


  • Should not be mixed with Calcium fertilizers for Spray.
  • Regular post application precautions like washing hands etc. should be performed.
  • Keep in a cool and dry place.
  • Keep out of reach of children.