CAJ | 학술논문

在山东招远棕壤区的小麦-玉米轮作区，通过田间试验，研究了不同氮肥调控处理对冬小麦主要性状、氮肥利用率以及土壤硝态氮时空变化的影响。结果表明：施用控释肥B的处理（ CRF B 处理）与习惯施肥处理相比，尽管降低了37％的氮肥用量，仍能够获得小麦最高产量，且氮肥偏生产力和农学效率最高，同时氮肥利用率和氮肥生理利用率较高，硝态氮在不同土层的积累较少，没有淋溶风险。因此CRFB 是最佳的氮肥调控处理。
재산동초원종양구적소맥-옥미륜작구，통과전간시험，연구료불동담비조공처리대동소맥주요성상、담비이용솔이급토양초태담시공변화적영향。결과표명：시용공석비B적처리（ CRF B 처리）여습관시비처리상비，진관강저료37％적담비용량，잉능구획득소맥최고산량，차담비편생산력화농학효솔최고，동시담비이용솔화담비생리이용솔교고，초태담재불동토층적적루교소，몰유림용풍험。인차CRFB 시최가적담비조공처리。
In the wheat-corn rotation brown soil area of Zhaoyuan , Shandong province , the author studied the effects of differ-ent nitrogen fertilizer regulation treatments on the main characters and nitrogen use efficiency of winter wheat , as well as the spatial-temporal changes of nitrate nitrogen in the soil through field tests .The results showed that: although the treatment of applying controlled-release fertilizer B ( treatment CRF B ) reduced the application rate of nitrogen fertilizer by 37%in comparison with the treatment of habitually applying fertilizer , it could obtain the highest wheat yield , the highest nitrogen fertilizer partial productivity and agronomic efficiency , and higher nitrogen use efficiency and nitrogen physiological utilization rate;at the same time , the treat-ment CRFB made the accumulation of nitrate nitrogen in various soil layers less without leaching risk .So CRFB was the optimal nitro-gen fertilizer regulation treatment .