Mean Maize Yield (T/Ha/Season) Ultra-Short Season Hybrid Plant Date: 15 December

This data set contains Maize, Zea mays L. in South Africa and is the country`s most important field and grain crop. Objectives of the study was to simulate maize yields, and their inter-annual, at a spatial resolution of Quaternary Catchments for 12 different combinations of three plant dates, viz. 15 October, 15 November and 15 December. This was done to evaluate which hybrid lengths and plant dates give the highest yields irrespective of plant dates and hybrid lengths respectively and also which hybrid lengths and plant dates give the lowest coefficients of variation (%) irrespective of plant dates and hybrid lengths respectively.该数据集包含南非境内的玉米（Zea mays L.），玉米亦是该国最重要的大田与粮食作物。本研究以第四纪集水区（Quaternary Catchments）为空间分辨率单元，模拟玉米产量及其年际变化，共设置3个播种日期（即10月15日、11月15日与12月15日）的12种不同组合方案。开展此模拟的目的在于：分别在不考虑播种日期与杂交种生育期长度的条件下，评估何种杂交种生育期与播种日期组合可实现最高产量；同时分别在不考虑播种日期与杂交种生育期长度的条件下，评估何种组合的年际变异系数（%）最低。