The tobacco yield, value of output, average price and rate of first-class tobacco leaves could be also increased by increasing the application ratio of serpentine-fusedphosphate.
提高钙镁磷肥的施用比例,烤烟的产量、产值、均价、上等烟率等也相应提高。
2
The phosphate degradation was studied when Fused Magnesium phosphate, Single-super phosphate and Partially Acidulated phosphate Rock were applied in two kinds of soils.