生石花苗期治理(国外英文资料).docVIP

生石花苗期管理 The seedling stage management of raw stone Hmong management is the most complex of the entire reproductive technology. The characteristic is that there are so many factors that cause failure, and it is too long to be threatened. But as long as we master the basics, be careful and patient, you will succeed. The management of seedling period mainly grasps temperature, humidity, light, disease and insect pest control, timely transplant these several links. 1. The temperature Because the seedlings of the cheese are not dormant within one year, it is sensitive to temperature, especially low temperature. Therefore, the winter temperature should be slightly higher than the average plant. The conditions may be used for the use of a heating box (similar to the use of cuttings). Some people use the soil method, use foam plastic case to put sand or other filling material, put the seedling basin in inside again, the seedling basin cover the glass after the box and cover glass again. Because seedlings dont have high light requirements, the two levels of glass do not make the light too weak and have a good insulation effect. The dormancy of summer dormancy, in the spring or early summer, Want to pay special attention to the ventilated temperature in the summer, the best not to cover glass in the basin, place in outdoor cool shed or bedroom. In this way, it is also prudent to guard against pests, animal damage and showers, and sometimes to move the seedpots from time to time. Lovers often say that raw stones are easy to grow and raise, which is why temperature and humidity are difficult to master in the summer. So it is appropriate for these kinds of general fall sowing. 2. Humidity Young plants within one year are not long enough to tolerate drought. Japanese experts say there is some truth in saying that no time should be given to the young seedling. Scientists in the United States have been experimenting with the idea of a 50-day seedling that cant be alive after nine