NY 29-1987 PDF English
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Basic data
| Standard ID | NY 29-1987 (NY29-1987) |
| Description (Translated English) | Standard reference material of orchard leaves |
| Sector / Industry | Agriculture Industry Standard |
| Classification of Chinese Standard | B30 |
| Word Count Estimation | 6,661 |
| Date of Issue | 1/3/1987 |
| Date of Implementation | 8/1/1987 |
| Older Standard (superseded by this standard) | GB 7171-1987 |
| Summary | This standard is applicable to the standard reference value of mineral elements nitrogen, phosphorus, potassium, calcium, magnesium, iron, copper, manganese, zinc and boron, which can be used for the identification of the above ten elements. Accuracy, calibration of instruments, inspection or establishment of new methods. |