有一位农民看到大棚给蔬菜提供了适宜的温度,实现了错季生产,便将香椿树苗在落叶后移植进大棚,想要错季上市,卖个好价钱。结果他等了个把月,也不见香椿发芽。农民仔细分析,阳光、空气、温度、水分,明明都调控得很好,连土壤温度他也进行了测试,没发现任何问题。究竟是什么因素阻止了香椿的萌 One farmer saw the greenhouses provided suitable temperature for the vegetables and realized the wrong season production. The seedlings of Toona sinensis were transplanted into the greenhouses after the deciduous leaves. They wanted to sell at a good price in the wrong season. As a result, he waited a few months and did not see the toon sprout. Careful analysis of farmers, the sun, air, temperature, moisture, obviously well regulated, even the soil temperature he also tested, did not find any problems. What factors stop the Meng Chinese toon