DB52/T 435-2002
Criteria for Classification of Cultivated Land Fertility in Guizhou Province (English Version)

Standard No.

DB52/T 435-2002

Language

Chinese, Available in English version

Release Date

2002

Published By

Guizhou Provincial Standard of the People's Republic of China

Latest

DB52/T 435-2002

Scope

This standard stipulates the classification indicators for eight rice field fertility classes and seven dryland soil fertility classes in Guizhou Province and is applicable to determining the classification of cultivated land fertility classes in Guizhou Province.

DB52/T 435-2002 Referenced Document

• GB 12297 Determination method of available phosphorus in calcareous soil
• GB 7173 Determination of total nitrogen in soil (semi-micro Kelvin method)
• GB 9834 Soil organic matter determination method
• NY/T 309 Classification of type regions and fertility of cultivated land in China

DB52/T 435-2002 history

• 2002 DB52/T 435-2002 Criteria for Classification of Cultivated Land Fertility in Guizhou Province