New Agricultural Film Introduction

A number of new types of agricultural films such as color films, degradable films, and non-drip films were born. Color films are produced according to the optical principle. Under the red film coverage, the cotton seedlings grew robustly, stem diameters, and developed root systems, and the survival rate of transplanting was high. The growth of carrots and cabbages could be accelerated by covering with yellow agricultural film; over 50% of the coverage of cucumbers could be increased; and purple farmers were used. The film can greatly increase the production of eggplant, leeks and pineapples; the results of the blue film covered strawberries are numerous and large. The superiority of the color film in promoting crop production, increasing yield, and improving quality is showing a wide range of applications. prospect.

Degradation membranes were developed for "white pollution" caused by abandoned agricultural membranes. The residual film of the degradable membrane can be decomposed spontaneously under the influence of various natural conditions within a short period of time. Degradable films can be divided into three forms: photodegradation, biodegradation, and combined degradation of light and biology. Starch membranes and grass fiber membranes being developed in China are also samples that have been developed and put into small batch production.

The mechanism of drip-free membrane is to add the non-drop additive into the polyethylene agricultural film, increase the surface activity of the agricultural film, and increase the critical surface tension of the polyethylene, so that the water droplets condensed in the inner wall of the greenhouse film develop to form a layer of polar A thin transparent water film flows down the membrane wall and into the ground. No drip film has been put into mass production in China.

New agricultural film also has longevity film, composite film, floating film, weeding film, modified film, mesh yarn and so on. With the continuous increase in the number of agricultural films, agricultural films are entering a new phase of new products, extensive application and enhanced role.