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Fertigation of tomato crop in India

Combined application of Multi-K and Urea via fertigation

Crop/cultivar

Tomato/ Rashmi
Country / locationIndia / NARDI farm
ObjectivesFind optimal K / NPK spray management
Haifa product testedMulti-K + Poly-Feed 19-19-19
Application methodFoliar nutrition
Tested treatment2  x foliar applications @ 1% conc. of  PolyFeed 19-19-19
2  x foliar applications @ 1% conc. of  Multi-K
Control treatment results59.93 MT/Ha
Best treatment results71.15 MT/Ha
Characteristics of best treatmentYield increase:  11.22 MT/Ha
Grower’s revenue from yield:  71.4  US$/MT
Cost of treatment (application + material) 35.7 US$/Ha
Net benefit of best treatment765.4 US$/Ha
Benefit/Cost ratio21.4
Conclusions

Local: Best management is full amount of B.D. NPK + 2 x F.S. Polyfeed 1%  +  3 x F.S. Multi-K 1%

ReferenceNHIL – Dr. R. Raju