Established trees
Apply a minimum of 3 L/
Crop information
Benefits of Kelpak on Walnuts
Kelpak trials on walnuts in California and Chile show improved fruit set and nut retention, as well as higher nut yields, resulting in excellent returns for the grower:
Improves rooting of nursery trees- Stimulates root and shoot development
- Improves the development of new roots in spring
- Better nut set and retention of bearing trees
- Better nut yields
Yield responses with Kelpak in walnuts
Yield responses with Kelpak in walnuts
| Region | Variety | Year | Trials | Control kg/ha | Kelpak kg/ha | Kelpak Increase % |
|---|---|---|---|---|---|---|
| California | Chandler | 2008 | 1 | 7202 | 8420 | 17 |
| California | Chandler | 2009 | 1 | 8620 | 8916 | 3 |
| California | Tulare | 2008 | 1 | 7424 | 8913 | 20 |
| California | Tulare | 2009 | 1 | 8386 | 8842 | 5 |
| Chile | Chandler | 2012 | 6 | 4781 | 5731 | 20 |
| Chile | Chandler | 2013 | 7 | 5862 | 6812 | 16 |
| Chile | Serr | 2013 | 2 | 5861 | 6928 | 18 |
| Chile | Serr | 2015 | 3 | 4217 | 5259 | 25 |
| South Africa | Chandler | 2016 | 1 | 2249 | 2418 | 7 |
| South Africa | Chandler | 2017 | 1 | 2039 | 2420 | 8 |
Recommended application rates
Tree establishment
Apply 2 L of a 1% Kelpak solution (1 L Kelpak in 100 L water) as a soil drench directly after plant-out, or drench the nursery bag with the solution directly before plant-out. Follow up with foliar sprays of 2 L/
Walnut flowering stages
Promoting Growth
Plant Biostimulant.
Kelpak Plant biostimulant improves root development, flowering, fruit set, fruit retention and crop resilience by using nature's own code to elicit powerful responses in crops that improve quality and yield. Available in multiple formats for farms of all sizes.
