What are the requirements for spring sowing cover film?

Compared with exposed mulberries, mulching can be improved by 2~5°C on sunny days and 1~2°C on rainy days, which is very beneficial to early spring low temperature seedlings, and can reduce fertilizer loss and improve fertility. After covering the film to check whether the "paste plaster"; to prevent the wind to lift the film, timely repair film to prevent rotting; to stage film removal ventilation practice seedlings, especially in the event of high temperatures during the day to open the tail of the membrane for ventilation cooling seedling.

Laser Distance Meter 50M

This 50m distance measuring meter is made of two parts: the laser distance outside unit and the sole part laser measure module. Great distance range is from 3cm to 50 meters with ±1.5mm high accuracy. Digital distance measuring device is quick and reliable measure with one hand pushing the button. It is designed for hand helding, very convenient to put in your jacket pocket or trouser pocket.
1>. Easy to Use. It is very easy to learn how to use a Laser Distance Meter, it can measure distance with pressing a single button.
2>. Safety. Using a laser distance meter to measure is much safer than using a measure tape, for users do not need to climb up and down.

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Chengdu JRT Meter Technology Co., Ltd , https://www.jrt-measure.com