Foliar applications to increase yield

Foliar application of Urea and Potash to increase yield:
1 gm Urea in 1 litre of water i.e.1% + 1 gm Potash in 1 litre of water i.e.1%.
For hardy plants like Sugar cane, Urea and Potash @ 2.5% each is required.
(2 1/2 Kg of Urea + 2 1/2 Kgs of Potash in 100 litres of water and apply on 60,90,120 days.)
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Foliar application of Foliar Grade All 19 or Poly feed 19-19-19 + MN to increase yield:

BASF's Nitrophoska Foliar 19-19-19 or Polyfeed All 19 foliar fertilizer contains Primary, Secondary Macronutrients and Micronutrients (Chelated form) in a balanced ratio most suitable for foliar spray of the crops for higher yields. Foliar fertilization is not a substitute for soil fertilization but an effective additional measure.
Foliar grade All 19 ferti. without MN (Micronutrients) is also freely available in the market under many brand names.

Primary nutrients:
‘N’ 19% (10.2% Urea + 3.8% Ammonical + 5% Nitrate)
P2O5 19% – all water-soluble.
K2O 19% – all water-soluble.

Secondary Nutrients:
0.5% Magnesium (MgO)
0.3% Sulphur (S)

Micronutrients:
0.013% B Boron
0.04% Cu Copper
0.1% Fe Iron
0.1% Mn Manganese
0.003% Mo Molybdenum
0.038% Zn Zinc
(Cu, Fe, Mn & Zn are fully chelated with EDTA).

Compatible with all pesticides & fungicides.

Dosage: 5 grams in 1 Litre of water.
Thorough coverage of the plant is necessary to get maximum benefit.

(Courtesy: BASF)