Hebei Provincial Standard of the People's Republic of China
Latest
DB13/T 1401-2011
Scope
This standard specifies leaf sampling, sample processing, nutrient element determination methods and result analysis for diagnosing pear nutritional status. This standard is applicable to the application of leaf analysis method to guide fertilization and soil management in pear orchards.
DB13/T 1401-2011 history
2011DB13/T 1401-2011 Technical regulations for nutritional diagnosis of pear leaves