This standard specifies the terminology related to fertilizer effect testing, test requirements and content, effect evaluation, report writing and other requirements. This standard is applicable to the testing and evaluation of fertilizer effects on grain crops, cash crops, vegetables, flowers, fruit trees, etc. Slow-release fertilizers, fertilizer synergis s, soil conditioners, etc. should comply with this standard except for special test requirements. This standard does not apply to microbial fertilizers.
NY/T 2544-2014 history
2014NY/T 2544-2014 General regulations of efficiency experiment and assessment for fertilizers