Return to Fertility

Foliar Alaska Fish Fertilizer for Winter Wheat

David Ostheller

Objective

Test effectiveness of an organic foliar N source.

Location: Fairfield, WA
Annual precipitation: 21 inches
Previous crop: Summer fallow

Treatments

Check - no foliars
Foliar - 0.5 GPA 5-1-1 Alaska fish fertilizer at early flag (10 May 94), full flag (23 May), and headed out (7 June)

Comments

Madsen winter wheat was planted on summer fallow without fertilizers or chemicals. Plots were 25 by 400 ft.

Data

Yield, bu/ac

Treatment Rep 1 Rep 2 Rep 3 Rep 4 Average

Fish foliar 108 108 105 103 106a

Check 111 110 109 107 109b

LSD (5%) 1.5

CV 0.6%

Conclusion

The yield difference was probably due to the sprayer's wheel tracks in the plot with foliar applications. The field had a clover cover crop before the fallow and was probably high in available nitrogen.

Contact us: Hans Kok, (208)885-5971 | Accessibility | Copyright | Policies | WebStats | STEEP Acknowledgement
Hans Kok, WSU/UI Extension Conservation Tillage Specialist, UI Ag Science 231, PO Box 442339, Moscow, ID 83844 USA Redesigned by Leila Styer, CAHE Computer Resource Unit; Maintained by Debbie Marsh, Dept. of Crop & Soil Sciences, WSU