No. Must be decomposed before application. Treatment method: According to the ratio of human urine, soil and superphosphate 1:1:1:0.3, add 2.5 kg of lime nitrogen per cubic meter, then stack 1~1.2 meters high and cover the plastic film. It can be used for 3 to 5 days in summer and 20 to 30 days in winter. The main nutrient of human feces and urine is nitrogen, which is suitable for application on green leafy vegetables such as celery, lettuce, garland chrysanthemum and fennel in protected areas. Human fecal urine contains chloride ions, and bogey-free crops such as potatoes and other vegetables are not suitable for use. Otherwise, starch content of tubers is reduced and storage is not tolerated. Human fecal urine can be used as base fertilizer and topdressing, and 5000 to 6500 kg per mu can be used as base fertilizer.
The lock channel is one of the most important thing for greenhouse, it can lock the film ,shading net ,insect net .
It is hot galvanized or aluminum material.
We have different thickness.
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