362 The Philippine Journal of Science 1915 
Table II . — Size and area of seed beds needed for different sizes and quanti- 
ties of palay. 
GROUP A (LARGE); 1, 500, 000 SEEDS PER CAVAN; 
20, 000 SEEDS PER LITER. 
Rate 
of sowing 
per square 
meter. 
Seed bed needed for — 
1 cavan of seed. 
1 ganta of seed. 
Dimensions. 
Area. 
Dimensions. 
Area. 
Seeds. 
Meters. 
Sq. m. 
Meters. 
Sq. m. 
1,000 
5 by 300 
1, 500 
5 by 12 
60 
1, 500 
5 by 200 
1,000 
5 by 8 
40 
2, 000 
5 by 150 
750 
5 by 6 
30 
2,500 
5 by 120 
600 
5 by 4.8 
24 
3,000 
5 by 100 
500 
5 by 4 
20 
4, 000 
5 by 75 
375 
6 by 3 
15 
5,000 
5 by 50 
300 
5 by 2.4 
12 
7, 500 
5 by 40 
200 
5 by 1.6 
8 
10, 000 
5 by 30 
150 
5 by 1.2 
6 
12, 000 
5 by 25 
125 
5 by 1 
5 
15,000 
5 by 20 
100 
5 by 0.8 
4 
GROUP B (MEDIUM) ; 2, 100, 000 SEEDS PER CAVAN; 
28, 000 SEEDS PER LITER. 
1,000 
5 by 420 
2, 100 
5 by 16. 8 
84 
1,500 
5 by 280 
1,400 
5 by 11. 2 
56 
2,000 
5 by 210 
1, 050 
5 b^ 8. 4 
42 
2,500 
5 by 168 
840 
5 by 6.72 
33.6 
3, 000 
5 by 140 
700 
5 by 5.6 
28 
4, 000 
5 by 105 
525 
5 by 4.2 
21 
5,000 
5 by 84 
420 
5 by 36 
16.8 
7, 500 
5 by 56 
280 
5 by 2.24 
11.2 
10,000 
5 by 42 
210 
5 by 1.68 
8.4 
12, 000 
5 by 35 
175 
5 by 1.4 
7 
15, 000 
5 by 28 
140 
5 by 1 
5 
GROUP C (SMALL) ; 2, 700, 000 SEEDS PER CAVAN; 
36,000 SEEDS PER LITER. 
1, 000 
5 by 540 
2,700 
5 by 21. 6 
108 
1, 500 
5 by 360 
1, 800 
5 by 14. 4 
72 
2,000 
5 by 270 
1,350 
5 by 10. 8 
54 
2,500 
5 by 216 
1, 080 
5 by 8. 6 
43.2 
3,000 
5 by 180 
900 
5 by 7. 2 
36.0 
4, 000 
5 by 135 
675 
5 by 5. 4 
27 
5, 000 
5 by 108 
540 
5 by 4.32 
21.6 
7,500 
5 by 72 
380 
5 by 2. 88 
14.4, 
10, 000 
5 by 54 
270 
5 by 2.16 
10.8 
12, 000 
6 by 41 
225 
5 by 1.8 
9 
15, 000 
5 by 36 
180 
5 by 1. 44 
7.2 
Table II shows that when 1 cavan of palay of group A is 
sown at the rate of 2,500 seeds per square meter it requires a 
