夏玉米不同部位干物质临界氮浓度稀释曲线的构建及对产量的估计

苏文楠, 解君, 韩娟, 刘铁宁, 韩清芳

Construction of critical nitrogen dilution curve based on dry matter in diffe rent organs of summer maize and estimation of grain yield

SU Wen-Nan, XIE Jun, HAN Juan, LIU Tie-Ning, HAN Qing-Fang

表1 2014-2017年干物质取样时期

Table 1 Dry matter sampling period from 2014 to 2017

项目Item V3 (M/D) V6 (M/D) V8 (M/D) V12 (M/D) VT (M/D) R6 (M/D) 2014 6/27 7/12 7/17 7/30 8/13 10/14 2015 6/29 7/15 7/20 8/2 8/17 10/15 2016 7/1 7/14 7/21 7/31 8/15 10/3 2017 6/29 7/13 7/21 8/4 8/13 10/14