甘薯生产技术测试题.doc

甘薯生产技术测试题 1．我国北方地区种植甘薯的面积在粮食作物中位居A 第二                  B 第三 C 第四                             D 第五2．我国华北地区春薯生育期一般为A 150-190天                                                       B 120-150天C 110-120天                                                       D 90-110天3．我国华北地区夏薯生育期一般为A 150-190天                                                       B 120-150天C 110-120天                                                       D 90-110天4．甘薯的苗床期一般经历A 15天                                                         B 25天C 1-2个月                                                    D 3个月5．甘薯一生中最耐旱的时期是A 苗床期                                                     B 发根缓苗期C 分枝结薯期                                             D 薯蔓同长期6．能吸收水分和养分，增强甘薯抗旱能力的根是A 须根                                                         B 块根C 梗根                                                         D 柴根7．徒耗养分，无经济价值，大田生产时应控制生长的是A 须根                                                         B 块根C 梗根                                                         D 纤维根8．甘薯贮藏营养物质的主要器官是A 须根                                                         B 块根C 梗根                                                         D 纤维根9．薯蔓同长期叶面积指数达最高值，约为A 3                                                                B 4C 5                                                                D 610．对甘薯产量影响最大的因素是A 种植密度                                                        B 块根数量C 块根重                                                     D 种植时间11．决定块根形成的主要时期是甘薯栽插后A 10-25天                                                    B 25-35天C 35-50天                                                    D 60-75天12．春薯栽后多少天块根开始膨大，有两个盛期和一个低谷。

A 30天                                                         B 40天C 50天                                                         D 60天13．春薯块根膨大第一盛期出现在栽后A 45-60天                                                    B 60-75天C 75-125天                                                  D 126-140天14．甘薯温汤浸种时置入温水的温度是A 58-60℃                                                     B 53-55℃C 48-50℃                                                     D 68-70℃15．甘薯药液浸种的时间是A 5分钟                                                              B 10分钟C 20分钟                                                     D 30分钟16．在甘薯生产过程中，培育健壮的薯苗是获得甘薯高产的重要手段，一般壮苗比弱苗增产A 5%                                                             B 10%C 20%                                                           D 30%17．甘薯壮苗的适宜苗龄是A 30-35天                                                    B 25-30天C 20-25天                                                    D 15-20天18．冷床覆盖塑料薄膜育苗时，床土适宜厚度是A 5-8CM                                                              B 10-12CMC 15-20CM                                                   D 20-25CM19．冷床覆盖塑料薄膜育苗时，塑料薄膜的颜色最好是A 浅紫色                                                     B 淡蓝色C 无色                                                         D 浅黄色20．培育夏薯苗的重要方法之一是A 回龙火炕育苗                                                B 酿热物温床育苗C 冷床育苗                                                        D 采苗圃21．甘薯育苗时温度应稳定通过A 7-8℃                                                         B 9-10℃C 10-12℃                                                     D 12-14℃22．山东甘薯育苗时间一般在A 3月下旬                                                   B 4月上旬C 4月中旬                                                   D 4月下旬23．改良回龙火炕苗床的床土厚度一般为A 5-8CM                                                              B 10-12CMC 15-20CM                                                   D 20-25CM24．斜排种薯时，中等薯块每平方米排薯A 15公斤                                                     B 20公斤C 25公斤                                                     D 30公斤25．种薯排好后，浇透床土的适宜水温是A 20℃                                                          B 25℃C 30℃                                                          D 40℃26．种薯上床后，前4天床温应保持在A 25℃                                                          B 30℃C 35℃                                                          D 40℃27．甘薯上床后多少天幼苗出土A 8-10天                                                      B 5-7天C 13-15天                                                    D 18-20天28．甘薯出苗初期以催为主，温度控制在A 28-30℃                                                     B 22-25℃C 35℃左右                                                  D 20℃左右29．甘薯采苗前5-6天到采苗，以炼苗为主，浇一次透水，采苗前3天床温降至A 28-30℃                                                     B 22-25℃C 35℃左右                                                  D 20℃左右30．当甘薯苗高多少时应及时采苗A 20CM                                                               B 25CMC 30CM                                                               D 35CM31．甘薯整地时适宜的耕作深度是A 33CM                                                               B 25-30CMC 20-25CM                                                   D 13-20CM32．增施基肥是甘薯增产的重要措施，一般每亩施用优质有机肥A 2500-3。