Silicon Improves Maize Photosynthesis in Saline-Alkaline Soils

Table 1

Dates of growth stages of maize on saline-alkaline soil in 2012.

Sowing; stage	Emergence; stage	Big trumpet stage	Silking; stage	Grain filling stage	Milk; stage
4/26	5/20	7/12	8/2	8/16	9/16