Through fixed field experiment and determinations of soil moisture, the field water utilization efficiency of wheat and rape seeds was discussed under no tillage and straw mulching.
The financial market system is being completed, and the distribution and utilization efficiency of social capital have increased steadily.
This paper presents installation of spare switches in a large iron alloy seal type electric heat furnace. It also describes working principles and utilization efficiency of the spare switches.
Effects of fertilizer application on nitrogen utilization efficiency and nitrate content in hybrid Pennisetum was studied in Nanjing, Jiangsu province.
The heritability of N content in grain and leaf and N utilization efficiency were high.
