ODJAR KHEIR ET AL 2020

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The dataset includes data from detailed field experiments across a temperature gradient at four locations along the River Nile. Measurements included plant density, aboveground biomass, anthesis and maturity dates, grain yield of spring wheat etc. Wheat was sown under full irrigation and fertilization with two planting dates. Observed data was used to test three DSSAT-Wheat models (CERES, NWHEAT and CROPSIM) to study climate change.

Provider's website

paper and data

Locations Sakha, Menofya, Beni Suef and Aswan

Original files:

  • ASWN1101.WHA.txt
  • ASWN1101.WHX.txt
  • ASWN1201.WHA.txt
  • ASWN1301.WHA.txt
  • BSUF1101.WHA.txt
  • BSUF1101.WHX.txt
  • BSUF1201.WHA.txt
  • BSUF1301.WHA.txt
  • MNFY1101.WHA.txt
  • MNFY1101.WHX.txt
  • MNFY1201.WHA.txt
  • MNFY1301.WHA.txt
  • SARS1101.WHA.txt
  • SARS1101.WHX.txt
  • SARS1201.WHA.txt
  • SARS1301.WHA.txt

Documentation

Kheir, A.M.S., Abdelaal, A., Hoogenboom, G. and Asseng, S., 2020. Experimental and simulated wheat data from across a temperature gradient along the River Nile in Egypt. Open Data Journal for Agricultural Research, 6, pp.19-20

Background

Asseng, S., Kheir, A.M.S., Kassie, B.T., Hoogenboom, G., Abdelaal, A.I.N., Haman, D.Z. & Ruane, A.C. 2018. Can Egypt become self-sufficient in wheat? Environ. Res. Lett, 13, 094012. [1]

Pre-processing

Some corrections:

  • ASWN1101.WHA.txt has treatment no 7 and 8 while the other years and the design (ASWN1101.WHX.txt) indicates treatments 1 - 6. For ASWN1101.WHA.txt we mapped 7 to 5 and 8 to 6.
  • In case of BeniSue (V2,P1) we corrected the ADAT from 89 into 59

CROP_DEV_BBCH = 00 (planting)

Attribute: PDATE in *.WHX.txt files
Remark: In the paper recommended sowing dates 20 and 30 November are given, but in the files *.WHX.txt 15 and 30 November (julian day 319 and 334) are given. We took 15 and 30 November.

CROP_DEV_BBCH = 65 (anthesis)

Attribute: ADAT in files *.WHA.txt (50% anthesis)
Remark: -

CROP_DEV_BBCH = 89 (maturity)

Attribute: MDAT in files *.WHA.txt (physiological maturity)
Remark: -

CUL_NAME

Attribute: section *CULTIVARS in *.WHX.txt files
Remark: -

SO_DWT_KGHA

Attribute: HWAM = Yield at maturity (kg DM ha-1)
Remark: -

TOPS_DWT_KGHA

Attribute: Weight of plant tops at maturity (kg DM ha-1)
Remark: -

Management

Attribute: n.a.
Remark: interpreted; based on paper

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