Increase the yield by 43.06%, so the fertilization effect is the best!

China is a big country in the production and use of chemical fertilizer. In recent years, with the adjustment of China's planting structure, the planting area of cash crops has been expanding, and its fertilizer consumption has exceeded that of grain crops. Cash crops have become the main body of chemical fertilizer consumption in China.

Melon is a kind of vine herb with rich nutrition, sweet and refreshing fruit and unique flavor. It is recognized as one of the top ten healthy fruits in the world and one of the economic crops with comparative advantages in Wuhan. The annual planting area of Western melon in Wuhan is about 16000 h ㎡. In recent years, the proportion of Western melon in the planting industry has increased year by year, and it has become a revival industry in the structural adjustment of planting industry.

At present, farmers are more extensive in melon planting management, unreasonable fertilization, unstable Melon Yield and low quality, which is difficult to meet the growing market needs. Many researchers investigated the fertilization of local melon and found that the amount of organic fertilizer was too small in melon planting; The application types of chemical fertilizer are single, partial application of phosphorus fertilizer and nitrogen fertilizer, and neglect of potassium fertilizer and trace element fertilizer; The concept of balanced fertilization is weak, and the application rate is blind and arbitrary.

Excessive fertilization can not only improve crop yield, but also cause the waste of fertilizer resources, resulting in the decline of the quality of agricultural products and a large surplus of soil nutrients, causing a certain degree of harm to the environment. At present, it is urgent to solve the problem of resource waste caused by excessive application of chemical fertilizer in crop planting. A large number of studies show that the partial substitution of organic fertilizer for chemical fertilizer can not only promote the growth of crops, but also play an important role in improving the quality of agricultural products and soil improvement.

In order to explore the reasonable fertilization mode of melon planting, based on the farmers' habitual fertilization, this study designed and optimized the fertilization scheme, studied the effects of soil testing formula fertilization and organic fertilizer instead of chemical fertilizer on Melon Yield, quality, nutrients and soil nutrients, and put forward a reasonable fertilization mode of melon that can be popularized and applied.