in the present study, the root vigor and kinetic characteristics of nitrogen absorption in potato cultivars was investigated through sand cultivation and pot tests with nutrient solution. four cultivars of potatoes, namely, feiwuruita, yunshu301, liangshu97, and chuanyu56 were grown in nutrient solution matrix cultures. the result showed that: (1) nitrogen uptake rates differed significantly am...

Rice (Oryza sativa L.) is a daily staple food crop for more than half of the global population and improving productivity an important task to meet future demands expanding world population. The application nitrogen (N) fertilization improved rice growth in world, but excess use causes environmental economic issues. One main goals breeding reducing N while maintaining productivity. Therefore, e...