Multi-K™ proved to be a much better fertilizer for Chinese squash

Compared to a local potassic fertilizer, Multi-K™ was found to be superior, improving frost hardiness and marketability




Squash/ Zaoqing hybrid
Country / location China / Shouguang /Shandong province
Objectives Compare two potassic fertilizers: SOP vs. Multi-K
Haifa product tested Multi-K
Application method Base dressing & Fertigation
Tested treatment 345 Kg/Ha K applied as SOP – base dressing
345 Kg/Ha K applied as Multi-K - fertigation
Control treatment results Total yield in 0 K:   29.2 MT/Ha
Best treatment results

Total yield in 345 Kg/Ha K applied as SOP:    33.7 MT/Ha

Total yield in 345 Kg/Ha K applied as Multi-K: 35.8 MT/Ha

Characteristics of best treatment Yield increase: 2.1 MT/Ha better than SOP,
Frost hardiness was much improved, and so was marketability
Net benefit of best treatment (Grower’s revenue from yield: 1,240 $US/MT)
2,603 US$/Ha
Benefit/Cost ratio SOP – 9.6 ;   
Multi-K – 12.2
Conclusions Local: Multi-K was considerably superior to SOP.


Need more information about growing courgette ? You can always return to the courgette fertilizer .