Comparison of pre-seeding applications of gypsum/dolomite, high-cal and lime

To investigate the effect on wheat yield between applications of a gypsum/dolomite mix, high-cal product and lime, and also to compare the long term effects the three products have on soil acidity本研究旨在探究石膏-白云石混合料、高钙肥产品及石灰的施用对小麦产量的影响，并对比该三种物料对土壤酸度的长期作用效果。