Effect of Temperature and Humidity Change on Radon

Temperature and moisture are important factors influencing the survival of earthworms. Any changes to them have a significant impact on the growth, development and various physiological activities of earthworms. Radon is a subtropical thermophilic crop. Its various physiological activities are closely related to temperature and humidity. Any degree of temperature and humidity changes will directly or indirectly affect the growth and development of loquat. We used the temperature and humidity self-recording instrument to analyze the temperature and humidity changes in Ningbo in 2008 to analyze the effects of temperature and humidity on the growth of earthworms.

Next, we record the temperature and humidity in the winter of December-February, the spring of March-May, the summer of June-August, and the fall of September-November through a self-reporting thermometer and hygrometer, and use related software. Conduct the analysis.

From the data we can get: Ningbo, the average temperature in 2008 was 16.94 °C, ≥ 10 °C effective accumulated temperature of 4671.09 °C, according to previous studies, the average annual temperature of 18 ~ 20 °C, ≥ 10 °C effective accumulated temperature 5000 ~ 6500 °C is The most suitable physiological temperature for growth, and 15 ~ 17.9 °C, the effective accumulated temperature of ≥ 10 °C 4500 ~ 4999 °C is the appropriate physiological temperature for the growth of earthworms. The average temperature in autumn is 17.94°C, which can fully meet the needs of flower bud differentiation and flowering and fruit setting. In winter, the low temperature of -5.10°C and the high temperature of 36.90°C in spring pose a serious threat to the growth of young fruit, and it is prone to winter frost damage and high temperature injury in spring. The annual average relative humidity in Ningbo is 66.56%, which belongs to the humid climate zone and is suitable for the growth of earthworms. In summer, the relative humidity of air is the highest, which is 74.88%. In the summer, {wetness is favorable to the recovery of eucalyptus and nutrient accumulation after fruit-picking; the relative humidity of autumn is second, which is 70.43%. At this time, the relative air is slightly lower. Humidity is conducive to the conduct of pollination and fertilization, and the increase of pollen germination rate; the relative humidity of 63.02% in spring and the relatively low relative air humidity are very beneficial to the accumulation of sugar in loquat fruits, increasing the coloration and reducing fruit cracking, and the lowest relative humidity in winter. At 57.92%, when the low temperature comes, it should be timely irrigated to reduce the impact of frost damage on the tree, flowers and fruits.

It can be seen that Ningbo’s climate throughout the year is still very suitable for the growth of alfalfa. However, with the deterioration of the global environment, we must also be soberly aware that the probability of calculating the temperature and humidity in the future will only increase. What we have to do is to improve the forecasting and early warning capabilities of extreme temperature weather and strengthen the impact of meteorological disasters on agriculture. This article mainly studies the temperature and humidity, of course, there are carbon dioxide concentrations and illuminance and other parameters, we can also use the temperature illuminance monitor, carbon dioxide monitor to conduct research. These recorders have occupied an important market in the study of plant growth environment.

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