1 water absorption stage: dry seeds until water swelling, temperature 15 °C a 20 °C, time requires 12 hours, requires sufficient oxygen and water, do not artificially increase the water temperature soaking, or buds grow fast and weak, poor resistance.
2 Germination stage: The seeds swell to the radicle, the required temperature is 28°C to 32°C, and the humidity is high. The dark time must be 12 to 48 hours.
3 hair rooting stage: from the radicle (bud) to the lateral root temperature required for the occurrence of a temperature of 25 °C 25 °C, requiring medium humidity, adequate oxygen, soil loose, otherwise rot (oxygen-free breathing);
4 peeling stage: from the lateral roots to the seed peeling, temperature requirements of 25 °C, moderate humidity, adequate oxygen; temperature control, requires a larger humidity loose soil and adequate oxygen;
5 top nose stage: from the peeling of seeds to the cotyledons unearthed, the temperature requirements of 18 °C -28 °C, temperature control, requires more moisture loose soil and sufficient oxygen;
6 straight neck stage: cotyledon unearthed to the cotyledon flat requires sufficient light, humidity, ventilation, temperature control 20 °C a 25 °C, otherwise the formation of tall seedlings.
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