CAJ | 학술논문

为提高氮肥利用率，探讨蓄肥改土剂对水稻的应用效果，以水稻品种五优稻4号为材料，采用二因素裂区试验设计，研究了不同型号蓄肥改土剂及不同尿素施用量对五优稻4号生长的影响。结果表明：3种型号蓄肥改土剂均能提高氮肥利用率，五优稻4号水稻品种施用蓄肥改土剂后，节约尿素25％，即可达到稳产的效果，节尿素25％和节钾肥30％组合也可达到稳产效果。
위제고담비이용솔，탐토축비개토제대수도적응용효과，이수도품충오우도4호위재료，채용이인소렬구시험설계，연구료불동형호축비개토제급불동뇨소시용량대오우도4호생장적영향。결과표명：3충형호축비개토제균능제고담비이용솔，오우도4호수도품충시용축비개토제후，절약뇨소25％，즉가체도은산적효과，절뇨소25％화절갑비30％조합야가체도은산효과。
In order to improve nitrogen use efficiency and explore application effect of soil additive for nutrient retention on rice ,taking rice variety Wuyoudao 4 as test material ,the effect of different soil additive for nutrient retention and urea application amount on growth of Wuyoudao 4 were studied .The results showed that three types of soil additive for nutrient retention could improve nitrogen use efficiency .After applying soil additive for nutrient retention ,75% urea application amount could reach stable yield ,75% urea application amount+70% potassium application amount could also reach stable yield .