Our aim in
the mini project is to find out which soil is the best for growing Padi Huma
Gonsulak. 5 different soils are collected from 5 different location in UMS
which is FSSA, PPIB, ODEC, DKP Baru and Mengkabong. Each type of soil is tested
it pH values and soil texture using pH strips and pH meter , and jar for soil
triangulation.
Table 1: pH and soil texture of
the soils
Location
|
pH Strip
|
pH Meter
|
Soil Texture
|
Mengkabong
|
3
|
2.62
|
Clay loam
|
DKP Baru
|
4
|
4.09
|
Silt loam
|
FSSA
|
3
|
2.83
|
Loam
|
ODEC
|
7
|
7.44
|
Sand
|
PPIB
|
7.5
|
7.49
|
Silt loam
|
From table 1, it shows that soil
from Mengkabong, DKP Baru, and FSSA show acidity while soil from ODEC is
neutral and PPIB is slightly alkaline. As we all know that pH values of the
soil will affect the growth of the plants as some prefer acidic while some not.
pH value of the soil will also affect the nutrient content in the soil.
Table
2: Nutrient analysis for 5 different soils
Soil Sample
|
Nutrient Analysis Reading
(mg/L)
|
|||||||||||||
Nitrate
|
Phosphate
|
Sulphate
|
||||||||||||
1st
|
2nd
|
3rd
|
Average
|
1st
|
2nd
|
3rd
|
Average
|
1st
|
2nd
|
3rd
|
Average
|
|||
FSSA
|
2.4
|
2.5
|
2.5
|
2.47
|
2.21
|
2.20
|
2.21
|
2.21
|
54
|
54
|
54
|
54
|
||
PPIB
|
2.7
|
2.7
|
2.7
|
2.7
|
5.31
|
5.33
|
5.35
|
5.33
|
101
|
101
|
101
|
101
|
||
ODEC
|
2.2
|
2.3
|
2.1
|
2.2
|
1.37
|
1.35
|
1.34
|
1.35
|
3
|
3
|
3
|
3
|
||
DKP Baru
|
3.9
|
3.9
|
3.9
|
3.9
|
0.75
|
0.74
|
0.74
|
0.75
|
99
|
99
|
99
|
99
|
||
MENGKABUNG
|
4.1
|
4.1
|
4.1
|
4.1
|
2.19
|
2.20
|
2.19
|
2.19
|
-
|
-
|
-
|
-
|
||
Soil texture of the soil will affect
the water holding capacity of the soil as different size of soil will have
different water holding capacity. The water holding capacity of the soil varies
between different soil textures. From the mini project, we found that sand has
the lowest water holding capacity as it has the largest soil particle and the
loam has the highest water holding capacity.
Table 3 : Water holding capacity of the soils
Soils
|
Soil texture
|
Wet weight of soil (g)
|
Dry weight of soil (g)
|
Weight loss by air dry
|
% of water holding capacity
|
FSSA
|
Loam
|
179.19
|
113.99
|
65.2
|
36.39
|
PPIB
|
Silt loam
|
170.04
|
152.56
|
17.48
|
10.28
|
ODEC
|
Sand
|
205.89
|
200.91
|
4.98
|
2.42
|
DKP Baru
|
Silt loam
|
207.68
|
184.27
|
23.41
|
11.27
|
Mengkabong
|
Clay loam
|
207.68
|
183.98
|
23.7
|
11.41
|
Table
4 : Growth of plant from week 1 to week 4
Type of soil
|
Week
|
|||||||||||
1
|
2
|
3
|
4
|
|||||||||
Average plant height (cm)
|
Survival rate
%
|
Mortality rate
%
|
Average plant height (cm)
|
Survival rate
%
|
Mortality rate
%
|
Average plant height (cm)
|
Survival rate
%
|
Mortality rate
%
|
Average plant height (cm)
|
Survival rate
%
|
Mortality rate
%
|
|
FSSA
|
5.40
|
100
|
0
|
13.70
|
100
|
0
|
15.66
|
60
|
40
|
13.42
|
30
|
70
|
PPIB
|
8.90
|
100
|
0
|
19.17
|
100
|
0
|
22.34
|
90
|
10
|
27.04
|
80
|
20
|
ODEC
|
7.34
|
100
|
0
|
14.77
|
100
|
0
|
17.18
|
85
|
15
|
20.33
|
75
|
25
|
DKP Baru
|
13.90
|
100
|
0
|
26.39
|
100
|
0
|
30.27
|
90
|
10
|
25.77
|
75
|
25
|
Mengkabung
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
From the
table 4 we know that soil from DKP Baru show the highest growth rate for the
plant but due to the surrounding
condition which is strong winds and insect, the paddy is injured and die in
week 3 and week4. The most unsuitable soil for growing padi huma gonsulak is
the soil from mengkabong which is 0% growth rate from week1 to week 4 due to
the acidicty of the soil while the most suitable soil for growing the padi huma
gonsulak from table 4 is soil from DKP Baru.
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