GB/T 3598-1983
Abolished
T/JAASS 47-2022
Active
Group standards
T/JAASS 47-2022 Fallowing technology regulations for fertilizer efficacy trials of sweet potatoes
T/JAASS 47-2022 Fallowing technology regulations for fertilizer efficacy trials of sweet potatoes
Price:
$ 20.00
Basic Information
Standard Code:
T/JAASS 47-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Agriculture, forestry
ICS Name:
Fertilizer
Publish Date:
2022-04-25
Implement Date:
2022-04-25
Pages:
10 pages
Scope
Scope: This document is applicable to field fertilizer efficiency trials of sweet potatoes, in which the yield is determined by the root knobs; Main technical content: This document specifies the trial varieties, selection of test plots, and trial duration for field fertilizer efficiency trials of sweet potatoes, as well as the trial design, field operations, sample collection and yield measurement, sample processing and storage, sample determination, and analysis of trial data and fertilizer efficiency evaluation.
Development Information
Related Standards
GB 8569-1997
Replaced
GB 8569-1997 Packing of solid chemical fertilizers
GB/T 8570.1-1988
Replaced
GB/T 8570.1-1988 Liquefied anhydrous ammonia—Taking a laboratory sample
GB/T 8570.2-1988
Replaced
GB/T 8570.2-1988 Liquefied anhydrous ammonia—Estimating of ammonia content
GB/T 8570.3-1988
Replaced
GB/T 8570.3-1988 Liquefied anhydrous ammonia—Determination of residue content—Gravimetric method
GB/T 8570.4-1988
Replaced