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Since its introduction in the 1950s, plastic film has been designed and developed to increase produce yield, increase produce size and shorten growth time. Developments in plastic film include durability, optical (ultraviolet, visible, near infrared, and middle infrared) properties, and the antidrip or antifog effect.
Plasticulture is the use of plastic mulch in agriculture. Farmers use plastic sheets as mulch to cover 50-70% of the soil and allow them to use drip irrigation systems to have better control over soil nutrients and moisture. Rain is not required in this system, and farms that use plasticulture are built to encourage the fastest runoff of rain.
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The long-term effects of plastics in the food chain are poorly understood. In 2009 it was estimated that 10% of modern waste was plastic, [58] although estimates vary according to region. [57] Meanwhile, 50% to 80% of debris in marine areas is plastic. [57] Plastic is often used in agriculture. There is more plastic in the soil than in the oceans.
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Plastic recycling is the processing of plastic waste into other products. [ 1 ] [ 2 ] [ 3 ] Recycling can reduce dependence on landfill , conserve resources and protect the environment from plastic pollution and greenhouse gas emissions.
Plastic mulch is often used in conjunction with drip irrigation. Some research has been done using different colors of mulch to affect crop growth. Use of plastic mulch is predominant in large-scale vegetable growing, with millions of acres cultivated under plastic mulch worldwide each year. [1] Disposal of plastic mulch is an environmental ...
According to the waste hierarchy, burning agricultural waste for the sake of energy generation is a less environmentally friendly treatment method than recycling or reusing it. Moreover, incineration for energy generation can be done once, while consumer goods (such as paper made from agricultural waste) can be recycled another seven times. [ 26 ]