Dataset extent

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University of Pretoria maize long-term trial

A long-term trial was started on the University of Pretoria Experimental Farm in Hatfield, Pretoria in 1939. This dataset contains weather data from 1950-2017, yield data from 1990-2017, as well as dry matter accumulation and leaf area index (LAI) data for a growth analysis conducted during the 2016/17 growth season for the full NPK fertiliser treatment and the zero fertiliser treatment (control).

Data and Resources

Additional Info

Field Value
Author 1
Author first name
Author surname
van der Laan
Author organization
Plant and Soil Sciences
Is this author a contact person for the dataset?
Contact person
Contact 1
Contact name
Michael van der Laan
Contact organization
Recommended citation
Did the author / contact organization collect the data? true
Name of organization that collected the data
Dataset language English
Publisher University of Pretoria / Water Research Commission
Publication date 2022-09-11
Project number WRC Project No. K5/2501//4
License Open (Creative commons)
License URL
Keywords Soil carbon, maize, grain yield, long-term trial, fertiliser, irrigation
Geographic location or bounding box coordinates [-22.1265, 16.4699, -34.8212, 32.8931]
Topic category Agriculture
Data structure category Structured (clearly labelled and in a standardised format)
Uploader estimation of extent to which data have been processed Refined
Is the data time series or static Time series
Data reference date
Data reference date 1
Data reference date (from)
Data reference date (to)
Alternate identifier
Vertical extent datum masl
Vertical minimum-maximum extent
Vertical minimum-maximum extent 1
Minimum vertical extent
Maximum vertical extent
I agree to the data management plan and terms and conditions of the WRO true