function of water and fertilizer with yields

consumption of water and fertilizer

coordinated effect of water and fertilizer

coordination of water and fertilizer

coupling effect of water and fertilizer

coupling effects of water and fertilizer

coupling of fertilizer and water

coupling of water and fertilizer

effect of fertilizer and water

effect of water and fertilizer

efficiency of water and fertilizer

integral regulation and control of water and fertilizer

Integrated management of water and fertilizer

Integration management of water and fertilizer

interaction of water and fertilizer

Mathematical model of water and fertilizer

Ratio of water and fertilizer

regulation of water and fertilizer

Relation of fertilizer and water