Results showed that the alien plant of Mimosa bimucronata has a lowest SPAD value among all species determined.
结果表明，外来植物簕仔树的SPAD值远低于其他植物；
Leaf N/ chlorophyll content and SPAD value increased with the increasing N fertilizer, and the lower leaves were more sensitive to the soil N supply than the upper leaves.
下位叶比上位叶对土壤氮的供应状况更为敏感，随着施氮量的增加，水稻叶片氮素含量、叶绿素含量、SPAD值相应的增加，而下位叶的增幅更明显。
Results showed that nitrogen fertilization rate significantly affected tobacco plant growth, leaf SPAD value, dry matter accumulation, leaf yield, economic value as well as chemical components.
结果表明：在绿肥全部还田条件下，不同氮肥用量对烤烟株高、烟叶spad值、烟株干物质累积以及烤后烟叶产量、产值和化学成分均有一定的影响。
Key link of this technology is that the monitoring of satellite remote sensing image data picture, correspondence relation model between the ground monitoring SPAD value and growth health of barley.
该项技术主要环节在于卫星遥感图片所监视的影像数据、地面监测SPAD值与大麦生长健康程度的对应关系模型。
The results showed that potassium application could raise the SPAD-502 chlorophyll test value, promote citrus tree growth, increase fruit yield and improve quality.
结果表明，施钾能有效地提高叶绿素值、促进树体生长、提高果实产量和改善品质。
The results showed that potassium application could raise the SPAD-502 chlorophyll test value, promote citrus tree growth, increase fruit yield and improve quality.
结果表明，施钾能有效地提高叶绿素值、促进树体生长、提高果实产量和改善品质。
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