I don't think developing agriculture is a problem but I don't think your race would stay nocturnal for very long, since it's much easier to work at daylight. So unless you have a very good reason why should they trip over the farming equipment they will switch to diurnal life. There's too much advantage to be gained from working your fields when you could see well. Those who stay past bedtime will gain more yields and produce more offspring, which will prefer staying late and rising late.
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