The inferring ability of SPAD value just slightly surpasses the logarithm - sum model in shooting stage.

在抽穗期和灌浆期,对数相加模型的反演能力明显优于SPAD值的反演能力.

Studies on the difference of the flag leaf SPAD value among genotypes of wheat under CKcondition and S treatment.

不同基因型小麦单株旗叶开花期SPAD值的差异达极显著水平。