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Spatial distribution of soil nutrient content for sustainable rice agriculture using geographic information system and Naïve Bayes classifier

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Figure 1

Paddy Soil Test Kit (PUTS).
Paddy Soil Test Kit (PUTS).

Figure 2

The block diagram of the measurement process of phosphorus using a paddy soil phosphorus meter.
The block diagram of the measurement process of phosphorus using a paddy soil phosphorus meter.

Figure 3

Wemos D1 Mini system series and TCS3200 sensor.
Wemos D1 Mini system series and TCS3200 sensor.

Figure 4

Flowchart of the phosphorus detection program in this system.
Flowchart of the phosphorus detection program in this system.

Figure 5

Design of Phosphorus Measurement Tool System.
Design of Phosphorus Measurement Tool System.

Figure 6

Soil Sample Test.
Soil Sample Test.

Figure 7

Chart Showing Average Value of Soil Phosphorus.
Chart Showing Average Value of Soil Phosphorus.

Figure 8

The first display of ceerduaad.com website.
The first display of ceerduaad.com website.

Figure 9

Graph displayed on the website.
Graph displayed on the website.

Figure 10

ArcGIS mapping diagram block.
ArcGIS mapping diagram block.

Figure 11

A map of the paddy soil sampling locations.
A map of the paddy soil sampling locations.

Figure 12

Paddy soil phosphorus status map based on the sampling location.
Paddy soil phosphorus status map based on the sampling location.

Figure 13

Map of Paddy Soil Phosphorus Levels in Lendah District.
Map of Paddy Soil Phosphorus Levels in Lendah District.

Green Odds

Range Medium High P(gse) P(gti)
1–63 0 0 0/68 0/132
64–127 66 120 66/68 120/132
128–190 0 14 0/68 14/132
191–255 0 0 0/68 0/132

Red Odds

Range Medium High P(rse) P(rti)
1–63 0 0 0/68 0/132
64–127 66 6 66/68 6/132
128–190 0 127 0/68 127/132
191–255 0 1 0/68 1/132

RGB values of the paddy soil sample reading

Sample Testing Red Green Blue Proposed system status PUTS status
1 1 147 126 90 High High
2 148 127 92 High High
2 1 145 132 94 High High
2 143 126 90 High High
3 1 121 96 73 Medium Medium
2 107 95 72 Medium Medium
4 1 127 110 78 High Medium
2 123 107 74 Medium Medium
5 1 130 110 76 High High
2 128 108 78 High High
6 1 135 116 83 High High
2 138 119 84 High High
7 1 147 128 90 High High
2 144 123 87 High High
8 1 143 124 91 High High
2 142 123 90 High High
9 1 135 114 83 High High
2 135 116 84 High High
10 1 118 105 77 Medium Medium
2 120 103 75 Medium Medium
11 1 116 100 73 Medium Medium
2 117 101 73 Medium Medium
12 1 118 102 78 Medium Medium
2 117 99 74 Medium Medium
13 1 143 122 85 High High
2 150 126 88 High High
14 1 128 109 78 High High
2 131 110 78 High High
15 1 127 106 74 High High
2 132 108 74 High High
16 1 138 114 78 High High
2 138 114 78 High High
17 1 124 103 73 Medium Medium
2 125 104 75 Medium Medium
18 1 198 163 120 Medium Medium
2 146 121 86 High High
19 1 131 110 76 High High
2 131 108 75 High High
20 1 120 102 73 Medium Medium
2 119 102 74 Medium Medium

Blue Odds

Range Medium High P(bse) P(bti)
1–63 0 0 0/68 0/132
64–127 66 134 66/68 134/132
128–190 0 0 0/68 0/132
191–255 0 0 0/68 0/132

Average RGB values of paddy fields

Sample Average Red Average Green Average Blue Status
1 149.5 128.1 91.3 High
2 146.2 128.3 91.4 High
3 110.7 95.5 72.2 Medium
4 123.6 107.8 77.0 Medium
5 130.8 110.3 78.4 High
6 134.5 115.0 82.2 High
7 144.3 124.2 87.6 High
8 145.3 126.7 92.1 High
9 138.8 119.4 85.8 High
10 119.9 103.7 76.9 Medium
11 118.7 103.4 75.1 Medium
12 120.5 103.2 75.9 Medium
13 148.9 125.7 87.7 High
14 134.3 112.3 80.3 High
15 139.2 115.1 79.1 High
16 139.2 113.9 79.9 High
17 122.8 103.4 72.4 Medium
18 143.0 119.2 85.4 High
19 132.4 109.0 75.8 High
20 110.5 93.9 67.0 Medium
eISSN:
1178-5608
Lingua:
Inglese
Frequenza di pubblicazione:
Volume Open
Argomenti della rivista:
Engineering, Introductions and Overviews, other