玉米增产新技术──化学调控化控栽培是农业生产上的一项新兴技术，现已在棉花等作物上得到广泛应用。玉米的化控栽培始于最近几年，所有的化学调控剂主要是玉米健壮素。据全国２０个省市大面积示范、推广，玉米施用健壮素，可使植株矮比１５～２０厘米，穗位降低１５～１... New Technology for Maize Yield Increase - Chemical Regulation Chemical control cultivation is an emerging technology in agricultural production and is now widely used on crops such as cotton. Chemical control of corn began in recent years, all chemical regulators are mainly corn hormone. According to a large area of ​​20 provinces and cities nationwide demonstration, promotion, application of healthy corn prime, can make plants shorter than 15 ~ 20 cm, ear reduction 15 ~ 1 ...