地处贵州高海拔山区的毕节地区是贵州省玉米主产区之一,我省于2010年进行了以下8个玉米新品种及栽培密度的比较试验。1试验材料及方法1.1品种选择及编号该试验选择的品种有8个,分别为森玉1号、毕单18号、毕单19号、盛农2号、盛农3号、织金3号、兴黄单999、兴单131。1.2试验地选择 Bijie Prefecture, located in Guizhou’s high altitude mountainous area, is one of the main maize producing areas in Guizhou Province. In 2010, the province conducted the following comparative experiments on 8 new maize varieties and planting densities. 1 Test Materials and Methods 1.1 Selection and Numbering of Varieties Eight varieties of the test were selected, namely Moriyama 1, Bidan 18, Bihan 19, Shengnong 2, Shengnong 3 and Zhijin 3 , Hing Wong single 999, Xing single 131.1.2 pilot selection