Maximum yields of crops can be obtained by optimum usage of fertilizer at correct method application. Integrated use of organic and chemical fertilizer is the best and economical method of application towards productivity.

• The quantity of Potassium (P) and Phosphorus (K) fertilizer to be decided upon soil test value for P and K.
• Nitrogenous fertilizer to be used according to deficiency symptoms of plants.
• Supplying of minor and micronutrients will be ensured by applying organic manures resulting higher yields.

Reduce usage of Chemical Fertilizer by Integrated Plant Nutrient Systems.

Related Institutions

• Tea Research Institute of Sri Lanka
• Rubber Research Institute of Sri Lanka
• Coconut Research Institute of Sri Lanka
• Ministry of Agriculture
• Department of Agrarian Development of Sri Lanka
• Ministry of Finance