密植就是在一定范围内,有目的地增加群体密度,增加栽植株数,达到增产增收。速熟是通过提高复种指数,从时间上充分利用地力和光能。前者是提高单茬产量,后者是统一单茬和全年总产量的技术环节。目前,密植速熟技术,已在国内许多城市郊区推广应用。我市郊区应用还不普遍, Close planting is within a certain range, with the purpose of increasing population density, increase the number of plants planted, to increase production and income. Quickly through the improvement of multiple cropping index, from the full use of time and light energy. The former is to improve the yield of stubble, the latter is the technical link of unifying stubble and annual total output. At present, close planting speed ripening technology, has been in many suburbs of domestic cities to promote the application. Suburban applications are not common in our city,