Do high inputs always lead to high returns?

A high input trial was created in 2012, with the aim of demonstrating that a crop will continue to respond to nitrogen if the season is suitable, leading to higher yields.本高投入试验于2012年设立，旨在证实当季气候条件适宜的前提下，作物仍可持续响应氮肥施用，最终实现产量提升。