N efficiency can be enhanced by breeding for cabbage.
因此，通过品种选育提高结球甘蓝氮素效率是可行的。
The results showed that, at high N, NUE was controlled by non additative effect, and 2199 +, Henong7, Henong11 were promising lines for breeding for NUE.
结果表明，高氮条件下，氮效率受非加性效应控制，对氮高效育种有价值的自交系有2 199+ 、河农7、河农11；
Understanding the changes in grain quality and its response to nitrogen (N) fertilizer during the improvement of crop varieties has great significance in both crop breeding and cultivation.
旨在探明中籼水稻品种改良过程中米质变化特点以及施氮量对其产量和品质的影响。
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