水稻机械精量有序抛秧栽培的产量形成和生长发育特征研究

王慰亲, 唐启源, 陈元伟, 贾巍, 罗友谊, 王小卉, 郑华斌, 熊娇军

Evaluation of orderly mechanical seedling-broadcasting on yield formation and growth characteristics of rice

WANG Wei-Qin, TANG Qi-Yuan, CHEN Yuan-Wei, JIA Wei, LUO You-Yi, WANG Xiao-Hui, ZHENG Hua-Bin, XIONG Jiao-Jun

表2 黄华占和甬优1538在不同种植方式下的生育期表现

Table 2 Growth durations of Huanghuazhan and Yongyou 1538 under different rice establishment methods

年份 Year 品种 Variety 种植方式 Establishment methods 播种-移栽 Seeding- Transplanting (d) 移栽-齐穗 Transplanting- Heading (d) 齐穗-成熟 Heading- Maturity (d) 全生育期 Growth durations (d) 2018 黄华占 手插秧 Manual transplanting 20 65 38 123 Huanghuazhan 手抛秧 Manual seedling-broadcasting 20 65 36 121 机抛秧 Mechanical seedling-broadcasting 20 65 36 121 甬优1538 手插秧 Manual transplanting 20 74 50 144 Yongyou 1538 手抛秧 Manual seedling-broadcasting 20 73 49 142 机抛秧 Mechanical seedling-broadcasting 20 73 49 142 2019 黄华占 手插秧 Manual transplanting 21 65 33 119 Huanghuazhan 手抛秧 Manual seedling-broadcasting 21 64 33 118 机抛秧 Mechanical seedling-broadcasting 21 67 33 121 甬优1538 手插秧 Manual transplanting 21 67 50 138 Yongyou 1538 手抛秧 Manual seedling-broadcasting 21 68 51 140 机抛秧 Mechanical seedling-broadcasting 21 69 52 142