integral regulation and control of water and fertilizer

regulation of water and nutrients

regulation of water and sand

regulation of Water and sediment

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

function of water and fertilizer with yield

function of water and fertilizer with yields

Integrated management of water and fertilizer

Integration management of water and fertilizer

interaction of water and fertilizer