ESSENTIAL PLANT NUTRIENTS
 
Major NUTRIENTS Macro NUTRIENTS Micro NUTRIENTS
Oxygen Sulfur Boron
Hydrogen Calcium Zinc
Carbon Magnesium Manganese
Nitrogen   Iron
Phosphorus   Molybdenum
Potassium   Chlorine
 
CRITERIA OF ESSENTIAL NUTRIENT
  • The essential elements are exclusively of Inorganic nature.
  • These are ones, which are required for the normal life cycle of an organism.
  • Whose functions cannot be substituted by other chemical compound
  • The element must be shown to be directly involved in nutrition.
Nutrients In Different Areas
 
Districts Organic Matter Available - P Available – K
  Poor Med Adeq Poor Med Adeq Poor Med Adeq
Multan 91 9 - 59 41 - - 2 98
Khanewal 88 12 - 75 25 - - 3 97
Vehari 98 2 - 93 7 - - 3 97
Sahiwal 80 14 6 77 17 6 - 4 96
D.G.Khan 95 5 - 94 6 - - 7 93
Bahawalpur 95 5 - 63 37 - 6 20 74
Muzaffargarh 75 22 3 77 21 2 - 4 96
R.Y.Khan 96 4 - 75 24 1 7 31 62
 
Fertilizer Doses (kg / tree)
 
Age of Plant Farm Yard Manure Urea Amm. Sulphate S.S.Phosphate Potassium Sulphate
2 Years 10 0.25 0.50 0.50 -
3 Years 20 0.33 0.66 1.00 -
4 Years 30 0.50 1.00 1.50 -
5 Years 40 0.75 1.50 2.00 0.50
6-8 Years 60 1.50 3.00 2.50 1.00
8-10 Years 80 3.00 6.00 3.00 2.00
 
Time of Fertilizer Application Physiological Stages
  • Post Harvest
  • Pre-Flowering
  • Flower bud breaking
  • Fruit Formation
Time Calendar
  • December: Farmyard Manure +Gypsum
  • February : Phosphorus + Potassium
  • March : 1/3 N
  • April : 1/3 N
  • Aug-Sep : 1/3N
Method Of Fertilizer Application
  • Remove Weeds from basin
  • Broadcast and incorporate 15 cm
  • Irrigate after fertilizer
  • Keep 30 cm trunk area free
FOLIAR SPRAY
*CoSO4 1 g per litre, NAA 20 mg per litre, GA 20 mg per litre }Bud Breaking
Nutrient Quantity/100 L Water
Zinc Sulphate 250 g
Copper Oxychloride 200 g
Manganese Sulphate 200 g
Ferrous Sulphate 200 g
Borax 240 g
Pot.Nitrate 2 g
 
FERTILIZER CHOICE
  • Economics Considerations
  • Acidic Reaction
  • Straight Fertilizer