CROP DATA: Head Lettuce
Western Farm Service Inc.
X10D on Vegetables - Field Trials 1996-2000
% Yield Increase
X10D – Head Lettuce
Western Farm Service-Southwest Div. 
Dr. Eric McGee – Westmoreland, Ca 2001
Ave. Head Diameter - % change v/s check
•Check – 20 ga. 10-34-0 plus 40 gallons water per acre.
•Treatment #2 – 20 ga. 9-30-0 – 1 Zn plus 40 ga. water.
•Treatment #3 – 20 gal. 9-30-0-1 Zn, 1 gal. Humic 600 and 39 gal. water.
•Treatment #4 – 20 gal. 9-30-0-1 Zn, 5 gal, Guano Plus and 35 gal. water.
•Treatment #5 – 20 gal. NPK Plus (7-21-0) plus 2 quarts X10D and 40 gal. water