Date

Location

Cultural System

Vitazyme/Fertilization

Results

1999

Trinidad, West Indies(Caribbean Chemical International)

Variety:  unknown

Planting date:  Spring, 1999

Vitazyme application:  Vitazyme at 30 ml/gal (about 1 oz/gal, or 1%) was sprayed over the plants and soil of the appropriate grow box at four and 18 days after transplanting.

Comments:

No yield date were collected, but observations of lettuce growth were made weekly.  The Vitazyme treated lettuce showed the following improvements over the control:

• Many more root hairs

• Thicker leaves

Fertilization:  unknown

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2000

Ventura, California

Variety:  Romaine

Planting date:  January 12, 2000 (seeds)

Planting rate:  one seed every 10 inches with two rows per bed, on 40-inch spaced beds

Harvest date:  April 19, 2000 (92 days after planting)

Vitazyme application:  Vitazyme was applied three times to the leaves and soil at 13 oz/acre:  January 12 (the same day as planting), February 29 (46 days after planting), and March 23 (69 days after planting).

Head weight:

Control: 975.6 grams
Vitazyme: 1,127.6 grams (+16%)

Fish: 1,022.6 grams

Total yield:

Control: 67,405 lb/acre
Vitazyme: 77,907 lb/acre (+16%)

Fish: 70,653 lb/acre

Income:

Control: $20,221.50/acre
Vitazyme: $23,372.10 (+$3,150.60/acre)

Fish: $21,195.90

Fertilization:  proprietary

Fish application:  10 gal/acre of actual fish, diluted 10:1, applied three times with Vitazyme

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2001

Hayang Eup, Kyungan City, Kyungbuk, Korea (Daegu University)

Variety:  Kohyang

Seeding date:  December 22, 2000

Soil type:  "market bed" soil

Pot number:  48

Data collection:  March 8, 2001

Vitazyme application:  A 1:2,000 solution (0.05%) was used for a foliar spray on February 16 and 26, and March 6.

Fresh weight, above-ground portion:

Control: 46.9 grams
Vitazyme: 64.3 grams (+37%)

Dry weight, above-ground portion:

Control: 2.91 grams
Vitazyme: 3.69 grams (+27%)

Dry weight, roots:

Control: 0.43 grams
Vitazyme: 0.45 grams (+5%)

Fertilization:  unknown

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2003

Winnsboro, Texas

Variety:  oak leaf lettuce

Growth medium:  hydroponic, with foam cubes

Growth system:  Nutrient water was cycled through pipes having cutouts on 6 or 8-inch centers, in which the foam cubes with plants were placed.

Vitazyme application:  a 1% Vitazyme solution sprayed to the dripping point each week

Lettuce head weight:

Control: 27 total lbs
Vitazyme: 37 total lbs (+37%)

Fertilization:  a macro and micronutrient soluble formula in the circulating water

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2003

San Jose Iturbide, Mexico

Variety:  Iceberg and Romaine

Planting date:  summer, 2003

Soil type:  unknown

Vitazyme application:  13 oz/acre (1 liter/ha) on the plants and soil at transplanting, and again 30 days later

Romaine Lettuce

Lettuce yield:

Control: 1,800 boxes/ha
Vitazyme: 2,540 boxes/ha (+20%)
 

Total value:

Control: 151,200.00 pesos/ha
Vitazyme: 213,360.00 pesos/ha (+62,160 pesos/ha)

Iceberg Lettuce

Lettuce yield:

Control: 20,798 boxes/ha
Vitazyme: 24,960 boxes/ha (+20%)
 

Total value:

Control: 109,200.00 pesos/ha
Vitazyme: 140,952.00 pesos/ha (+31,752 pesos/ha)

Fertilization:  All areas were treated with the same fertility program.

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2004

Dos Rios,

Palma Soriano,

Santiago de Cuba

Variety:  black-seeded Simpson

Transplanting date:  February 10, 2004

Soil type:  Leptic haplustert

Vitazyme application:  soil drenching of the transplant roots (rate unknown), and another soil application

Plant height (average of 10 plants):

Control: 30 cm
Vitazyme: 38 cm (+27%)

Leaf number (average of 10 plants):

Control: 8.1
Vitazyme: 9.4 (+16%)

Plant weight (total of 10 plants):

Control: 0.6 kg
Vitazyme: 1.1 kg (+83%)

Estimated yield per plot:

Control: 86.4 kg
Vitazyme: 158.4 kg (+83%)

Fertilization:  unknown

Date

Location

Cultural System

Vitazyme/Fertilization

Results

2004

Granja MININT Jaguey Grande, Cuba

Variety:  unknown

Soil type:  Leptic haplustert

Vitazyme application:  1 lb/ha on the seeds at planting, and again at 15 and 30 days after planting on the plants and soil

Lettuce yield:

Control: 1.475 kg/m²
Vitazyme: 2.006 kg/m² (+36%)

Value of production:

Control: 31.86 pesos
Vitazyme: 43.34 pesos (+11.48 pesos)

Fertilization:  20 tons/acre of organic fertilizer