Assertion: millet's seed | /r/HasProperty | sown in warmed soil
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Source sentences:
text: The seeds are sown in warmed soil (10°–12°C); they are planted in close rows when they are cultivated for hay and green feed (rate of sowing 15–20 kg per hectare [ha]) and in rows spaced further apart when they are cultivated for seeds (8–10 kg/ha).