棉花塑料薄膜地面覆盖栽培是近几年发展起来的一项增产新技术。它有增温保温,保墒提墒、改善土壤理化性能、促进根系发育等优点,有利于争早苗、保全苗,加速棉花生育进程,以达到早熟高产。在我省无霜期不足的情况下,效果更为显著。 Cotton plastic film ground cover cultivation developed in recent years, a new production technology. It has the advantages of warming and keeping warm, preserving soil moisture, improving soil physical and chemical properties, and promoting root development. It is advantageous to strive for early seedlings and preserve seedlings and speed up the process of cotton growth so as to achieve early maturity and high yield. In our province frost-free period under the circumstances, the effect is more pronounced.