The soil thermometer, agricultural meteorological observation good helper!

For a long time, the development of agriculture is very important, agricultural development depends on is black, red, yellow, etc. Various kinds of land. So the degree of ascension of the soil has always been a focus in the study of many agricultural scientists, and in the study, there is a can not be ignored is the temperature of the soil. Soil temperature of high and low, and the decomposition of crop growth, fertilizer and the accumulation of organic matter have close relations, can be said to be one of the most important environmental factors in the agricultural production. So, how do you always understand to the temperature of the soil? Want to know the temperature of the soil, simple directly measured with temperature is good, used to measure soil temperature thermometer and called geothermometer. Common geothermometer is that kind of bimetallic, belongs to the bimetallic thermometer. Because it is metal, so more sturdy, and the length of the probe can be customized, the depth of the general. Although more durable, but should pay attention to when using do not use the thermometer, where there are a lot of sand because harms the thermometer, but also pay attention to the cleaning of the thermometer, after every measure to clean. Soil of bimetallic thermometer can measure the temperature of the soil, moment to let you know at present whether the temperature of the soil is suitable for growing plants. In general, the soil thermometer is the study of land quality and help seeding really good assistant! Tip: when crop minimum temperature index, general land temperature is about 5 cm for the standard; In the late stage of plant growth, due to the growth of root system, general need 15 to measurement 30 cm Mark Twain as the standard temperature.