The Influence of Quality on Lettuce and India Lettuce by the Application of “NutriGrow”
Humic Acid & Carbon Based Organic Compound Fertilizer   

1.  MATERIALS
1.1 Variety of Vegetable on Test
Lettuce and India Lettuce
1.2 Fertilizer used on Tests
“NutriGrow” Humic Acid Based Liquid Fertilizer: Contents N, P₂O₅ and K₂O, with weights of 120g/L, 80g/L and 80g/L respectively, and in terms of percentage: 9.6%, 6.4% and 6.4% respectively.
Compound Fertilizer:  Type 15 – 15 – 15  

2. TEST  PLAN

There were 2 Treatments, with the application of Compound Fertilizer and Humic Acid Based Liquid Fertilizer respectively. 
There were 4 repetitions in each Treatment for lettuce, and 3 repetitions in each Treatment for India lettuce. Each repetition was a plot of 10 sq.m. Each plot consisted of 140 plants, with 3 serves of fertilizer application as topdressing , once per 10 days. Other than application of different fertilizers on individual Treatment, all management measures were the same.

3. TEST DATA

3.1  Test Results on the Quality and Quantity of Lettuce

	Soluble Amino Acid		Chlorophyll		Nitrate		Soluble Sugar		Soluble Protein		Plot Yield
	Content (mgN/kg)	Increase(%)	Content (mg/kg)	Increase(%)	Content (mg/kg)	decrease (%)	Content (mg/kg)	Increase (%)	Content (mg/g)	Increase (%)	Content (kg/plot)	Increase (%)
CF	281.54	17.36	1.45	3.98	1057.60	7.4	10.77	11.04	10.59	18.81	41.75	6.4
LF	330.42		1.51		984.69		11.96		12.59		44.44

CF: Compound Fertilizer; LF: Liquid Fertilizer

3.2  Test Results on the Quality and Quantity of India Lettuce

	Soluble Amino Acid		Vitamin C		Nitrate		Soluble Sugar		Soluble Protein		Plot Yield
	Content (mgN/kg)	Increase (%)	Content (mg/kg)	Increase (%)	Content (mg/kg)	decrease (%)	Content (mg/kg)	Increase (%)	Content (mg/g)	Increase (%)	Content (kg/plot)	Increase (%)
CF	108.27	44.58	140.18	14.03	990.76	9.12	12.10	7.51	13.17	9.27	61.71	4.0
LF	156.54		159.85		907.98		13.01		14.39		64.18

CF: Compound Fertilizer; LF : Liquid Fertilizer.

Field Tests conducted by: Environment Science & Engineering Faculty, Zhong Kai Agriculture Technology University
Person-in-charge: Associate Professor Li Yong Sheng.                      

Date: April 25, 2008.