The study on systematic fertilization network nutrientdiagnosis is the prerequisite for national fertilization and raising the fertilizer efficiency.
开展系统施肥网营养诊断研究是进行合理施肥、提高肥效的前提。
2
In this paper, a method of judgement of the M-DRIS (Modified Diagnosis and Recommendation Integrated System) to the plenty and lack of crops nutrient has been introduced.
本文介绍了修改的综合诊断施肥法(M - DRIS)对作物养分丰缺的判定方法。
3
The paper presented the soil nutrition diagnosis methods and the soil nutrient level status in the black earth areas. Sugar beet yield can increase 40. 3% by applying this technique.