DB62/T 4027-2019 Cultivation technical regulations for interplanting winter rapeseed with mulched corn in dryland areas in central and eastern China (English Version)
Gansu Provincial Standard of the People's Republic of China
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DB62/T 4027-2019
DB62/T 4027-2019 history
2019DB62/T 4027-2019 Cultivation technical regulations for interplanting winter rapeseed with mulched corn in dryland areas in central and eastern China