regulation of water and fertilizer
regulation of water and nutrients
regulation of Water and sediment
benefit of water and sand control
utilization of water and sand
variation of water and sand
Water and Sand of Sprayer
adjustment and regulation of revenues and expenditures
Determination and regulation of the yield
dynamic regulation of water consumption
expression and regulation of gene
factors of regulation and controlling
integral regulation and control of water and fertilizer
lung governing regulation of water passages
measures of regulation and control
Policies of Regulation and Control
reform and regulation of electric power system
regulation of water intake