1. what is the average seeding rate of seeds down on a dapog seed bed
A.22
B.33
C.44
D.66

2. for rice varieties harvestable after 116 days,the plans planting age of seedlings is
A.12 to 15 days
B.16 to 18 days
C.18 to 20 days
D.20 to 25 days

3. the average number of transplanted seedlings per hill is

A.two to three seedlings
B.3-4 seedlings
C.4-7 seedlings
D.7-10 sedlings
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