The suitable temperature during the sapling period is 28-30 °C. Less than 18 °C or higher than 32 °C is not conducive to pollination and sitting on melon, and it is easy to produce malformed melon. The suitable temperature for night is 15-18°C. Protected cultivation should strengthen the temperature management, flowering and sitting period to increase temperature, while preventing high temperature and humidity. Beard Straight Comb,Straight Beard Comb,Men Hair Straightening Comb,Electric Straight Hair Beard Comb Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizons.com