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Positive contribution to potassic fertilization in cotton

Two foliar sprays of Multi-K increased yield by 24%, in comparison with the same treatment with MOP

Crop/cultivar

Seed Cotton / ICH-6

Country / location India / NARDI farm; Dry season
Objectives Evaluate optimal K management (S.D. vs. F.S.  x MOP vs. Multi-K
Haifa product tested Multi-K
Application method Foliar nutrition
Tested treatment 2 x foliar feeding @ 2% conc.
Control treatment results 0.96 MT/Ha seeds
Best treatment results 1.19 MT/Ha seeds
Characteristics of best treatment Yield increase: 0.23 MT/Ha (24%)
Grower’s revenue from yield: 570 US$/MT
Cost of treatment (application + material) 36 US$/Ha
Net benefit of best treatment 95 US$/Ha
Benefit/Cost ratio 2.64
Conclusions Local: Best K management: 50% application as S.D. MOP +
2 x Foliar feeding at 2 & 4 weeks after 1st flowering. Foliar feeding with Multi-K is superior to same with MOP
Reference NHIL – Dr. R. Raju