efficiency of fertilizer utilization

Nitrogen fertilizer utilization efficiency

utilization efficiency of fertilizer-N

Utilization efficiency of nitrogen

utilization efficiency of nitrogen and phosphorus

use efficiency of fertilizer-nitrogen

absorption and utilization of nitrogen

adequate rate of utilization of grassland forages

Agronomic nitrogen utilization efficiency

coefficient of utilization of automobile

coefficient of utilization of installed capacity

coefficient of utilization of maximum load

coefficient of utilization of ton-kilometers

efficiency of utilisation

efficiency of utilization

feasibility of utilization of mine water resources

Fertilizer utilization efficiency

high efficiency utilization of agricultural water

high-efficiency utilization of phosphorus