Paper presented at the 52nd CFCS Annual Meeting, Guadeloupe, July 10-16, 2016
Mulch Treatment Day
CG1
CG2
CG3
CW1
CW2
CW3
PC1
PC2
PC3
VC
9
10.00
12.00
10.75
10.75
9.75
11.25
10.50
11.25
10.25
11.25
12
10.00*
12.00
11.50
11.00
10.50
12.00
10.75
12.00
10.50
11.75
15
10.50*
13.00
12.50
11.00*
11.00*
13.00
11.50
12.00
12.00
12.75
18
11.25*
13.00
13.25
12.25
11.50*
13.00
13.00
13.00
12.25
13.75
21
13.25*
13.33*
13.50*
13.00*
12.50*
13.00*
13.75
13.50*
12.50*
15.50
* Values significantly different from the corresponding Control (VC) value at the 5% significance level by the LSD test (SE= 0.582 LSD= 1.657).
Table 1. Leaf production in potted tomato seedlings at various times following mulch application of Coconut and Green Waste (CG), Coconut and Wood (CW), and Plant and Tree Clippings (PC) at 3 product development stages (1 indicates the least and 3 the most mature).
Product Extract
Extract Concentration (%) 25
50
75
100
A
98.7
98.0
86.7
62.7*
B
99.3
100.0
100.0
100.0
C
100.0
100.0
100.0
100.0
D
99.3
99.3
98.0
98.0
Distilled water
0
99.3
* Value significantly different from the corresponding Control value at the 5% significance level by the LSD test.
Table 2. Germination percentage of lettuce seeds after 5 days in various concentrations of four product extracts (A, B, C and D) compared to the Control (water).
Figure 1. Root elongation of lettuce seedlings germinated in extracts of products CW2 and CW3 compared to the Control treatment (water). * Value significantly different from the corresponding Control value at the 5% significance level by the LSD test.
92