The SPAD-502 chlorophyll meter appears promising for rapid, on-farmanalysis of crop nitrogen status.
叶绿素仪(SPAD-502)的出现使通过无损伤的田间速测对作物进行氮营养诊断成为可能。
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Use the SPAD-502 chlorophyll meter to rapid, on-farmanalysis crop chlorophyll status and nitrogen fertilizer recommendation.
利用叶绿素仪SPAD - 502进行田间快速测定,并对作物进行氮肥推荐。
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“The law will regulate production of food from farm to fork,” said Vinay Oswal, director at National Agriculture and Food Analysis and Research Institute, based in the city of Pune in Maharashtra.