Research Article

Effect of the Nitrification Inhibitor 3,4-Dimethylpyrazole Phosphate on the Deep Placement of Nitrogen Fertilizers for Soybean Cultivation

Figure 7

Percentage distribution of seed quality of soybean plant with different deep placement treatments. Cont: control without deep placement of nitrogen; U: deep placement of urea; CU: deep placement of coated urea; LN: deep placement of lime nitrogen; DMU: deep placement of coated urea fertilizer with DMPP.