How effective is broadcast application when topdressing during the rainy season?
How effective is broadcast application when topdressing during the rainy season? Please give an introduction. In summer there are many thunderstorms, and many farmers often spread chemical fertilizer on their crops in the face of thunder and rain. Research shows that broadcasting chemical fertilizer on crop seedlings this way is not only unscientific but also has many harmful effects. 1. Broadcasting chemical fertilizer during thunderstorms makes it easy to be struck by lightning. Farmers going to the fields...
How effective is broadcast application when topdressing during the rainy season? Please give an introduction.
In summer there are many thunderstorms, and many farmers often spread chemical fertilizer on their crops in the face of thunder and rain. Research shows that broadcasting chemical fertilizer on crop seedlings this way is not only unscientific but also has many harmful effects.
I. Broadcasting chemical fertilizer during thunderstorms makes it easy to be struck by lightning
When farmers go to the fields to broadcast chemical fertilizer during thunderstorms, the timing is concentrated, many laborers go out, and the target is exposed with no cover, so accidents of being struck by lightning often occur. In recent years, during the summer rainy season, the phenomenon of farmers being struck by lightning while working in the fields in the face of thunder and rain has occurred from time to time, and the lessons have been severe.
II. Broadcasting chemical fertilizer during thunderstorms causes serious waste
The urea, compound fertilizer, and so on that farmers broadcast in the face of thunder and rain, upon exposure to high temperature, light, and water dissolution, quickly decompose and volatilize on the soil surface, and only a very small portion penetrates into the soil and is absorbed by the crop roots. In addition, heavy rainfall also causes a large amount of chemical fertilizer to be lost. In this way, the utilization rate of chemical fertilizer broadcast during thunderstorms is very low, and a large amount of chemical fertilizer is wasted in vain, increasing farmers' investment cost in farming and wasting energy and materials. For topdressing summer crops with chemical fertilizer, it is best to apply it in furrows or in holes, with a depth of 5~10 cm being appropriate.
III. Broadcasting chemical fertilizer during thunderstorms makes it easy to contract diseases
When some farmers broadcast chemical fertilizer during thunderstorms, seeking convenience and coolness, they often do not wear rain gear and let the rain pour over their whole bodies. This makes it extremely easy to contract or trigger various diseases such as colds, stomach problems, and arthritis. When women work in the fields during thunderstorms, they are also prone to gynecological diseases.
When farmers broadcast chemical fertilizer during thunderstorms, it not only causes waste of chemical fertilizer, but also harms the health of farmer friends and even endangers life safety, so it is absolutely not advisable.
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