When planting sesame seeds, there is a problem that must be particularly noticed, that is, it cannot be linked. That is to say, the land of sesame seeds has been planted in the previous year and cannot be planted in the second year. Otherwise, high yields and high benefits will not be achieved.
Why can't sesame grow in the same way?
There are two main reasons:
One of the reasons is that sesame seedlings can increase the disease. In the process of sesame production, many pathogenic pathogens such as stem blight, bacterial wilt, and blight are all over the winter after sesame harvest. If sesame seeds are planted in the second year, these pathogens will become a source of infection for heavy sesame seeds. If the time is heavy, the more pathogens in the soil will be, and the disease of sesame will become more and more serious. Infected by diseases, sesame plants may develop dysplasia, short stigma, fall flowers and sputum, and even severe wilting.
The second reason is that sesame is a crop that requires more fertilizer, and even planting can lead to nutrient imbalance. According to the test, for every 50 kilograms of sesame produced, it is necessary to absorb 4.50--5 kilograms of nitrogen, 1.25 kilograms of phosphorus pentoxide, and 5--5.50 kilograms of potassium oxide. The ratio of three factors is about 4:1. : 4.40. It can be seen that sesame requires more nitrogen and potassium, and less phosphorus is needed. If the flail is planted, it will break the balance of soil fertility, resulting in a lack of nitrogen and potassium, and it is difficult to increase the yield of sesame.
Therefore, sesame seedling cultivation is unscientific and should be avoided.
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