Water and nitrogen use efficiency

use of water and nitrogen

coupling effect of water and nitrogen

Coupling of water and nitrogen

Different water and nitrogen

Drinking water and water source

effect of water and nitrogen

fertilizer and water use efficiency

fertilizer N and water use efficiency

interaction between water and nitrogen

interaction effect of water and nitrogen

interaction of water and nitrogen

interactive impact of water and nitrogen

irrigation water and nitrogen fertilizer

management of soil water and nitrogen

PAR and water use efficiency

projects in water conservancy and water and electr

root zone water and nitrogen

Soil water and nitrogen condition