GYGA data sheet used to collect local crop management data
Here you find the GYGA data sheet which is used to collect local data. Agronomists in each participating country are asked to fill in the sheet for all the sites. The sheet includes two tables: one to enter the data and one to indicate the source of the data. First you will find an empty sheet with explanation. On the bottom of this page there is an example data sheet filled with dummy values for both the data and underpinning source.
Empty data sheet:
GYGA DATA FORM FOR A GIVEN CROPPING SYSTEM IN A REFERENCE WEATHER STATION BUFFER ZONE
COUNTRY: WEATHER STATION NAME:
LATITUDE/LONGITUDE (decimal degrees): NEAREST LOCATION (district, county, municipality, city):
SOURCES OF THE REPORTED DATA BELOW (e.g. national soil maps, expert opinion, etc.): see Table page 2
Cropping system1 | Crop 2 | Water regime3 | % crop area under this system 4 | Sowing date / rule5 Actual Optimal (mm/dd) | Cultivar maturity6 | Plant density 7
Actual Optimal | Dominant soil types 8 | Soil type description 9
Texture Soil depth Slope | % of system on each soil type 10 | |||||
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- Dominant 12-month crop rotation within which the target GYGA crops are grown. For example: single crop (rice), double crop (wheat-rice), triple crop (rice-rice-rice). [NOTE: Intercropping systems are not considered].
- Target GYGA crop within specified rotation.
- Water regime of the specific GYGA crop: rainfed, irrigated, partially irrigated.
- Proportion of total harvested area within the buffer zone that is planted with the target GYGA crop under specified cropping system and crop cycle.
- Dominant or median planting date (transplanting date for flooded rice) for target GYGA crops under the specified crop cycle. Also report recommended optimal sowing date if different from actual. Planting rules can be reported for crops in which sowings depend, for example, on reaching a critical soil water or temperature threshold.
- Cultivar maturity reported as (in order of preference): growing degree days (GDD), or average dates of flowering and physiological maturity (day of year), or average days to physiological maturity (days), or average date of harvest for the dominant cultivar of target GYGA crops under specified crop cycle.
- Dominant actual plant population (plants per ha) for each target GYGA crop. Also report recommended optimal plant populations if different from actual. When only seeding rate data are available, estimate (target) plant density based on an justifiable germination/establishment efficiency. In case of rice, report hills per ha and seeds/plants per hill.
- Soil types of the specified crop rotation are defined in terms of soil texture, effective rooting depth, and slope. Dominant soil types can be reported using (in order of preference) soil series name (Holdrege silt loam), or soil order (Typic Argiudoll), or generic names (‘black soil'). Only report soil types that account for a large portion of the area of the specified crop rotation (no more than three).
- Description requires: dominant soil texture (USDA classification), soil depth (m), and slope (%).
- Proportion of the specified rotation area under each soil type.
GYGA DATA FORM SOURCE TABLE FOR A GIVEN CROPPIG SYSTEM IN A REFERENCE WEATHER STATION BUFFER ZONE
COUNTRY: WEATHER STATION NAME:
LATITUDE/LONGITUDE (decimal degrees): NEAREST LOCATION (district, county, municipality, city):
Indicate in this table as much as possible the sources of the data
Cropping system1 | Crop 2 | Water regime3 | % crop area under this system 4 | Sowing date / rule5
Actual Optimal | Cultivar maturity6 | Plant density 7
Actual Optimal | Dominant soil types 8 | Soil type description 9
| % of system on each soil type 10 | |||||
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Example sheet with dummy values:
Download the example sheet with dummy values
GYGA DATA FORM FOR A GIVEN CROP ROTATION IN A REFERENCE WEATHER STATION BUFFER ZONE
COUNTRY: Argentina WEATHER STATION NAME: Pehuajo
LATITUDE/LONGITUDE (decimal degrees): -35.87°/ -61.83° NEAREST LOCATION (district, county, municipality, city): Pehuajo, Bs. As.
EXAMPLE DUMMY VALUES
Cropping system | Crop | Water regime | % crop area under this system | Sowing date / rule Actual Optimal (mm/dd) | Cultivar maturity | Plant density
Actual Optimal | Dominant soil types | Soil type description
Texture Soil depth Slope | % of system on each soil type 10 | |||||
Wheat | Wheat | Rainfed | 12.2
| 06/05 | 06/05 | Spring, long type | 320,000 | 320,000 | Typic Hapludolls | 65-20-15 | >200 | 0.5 | 50 | |
Entic Hapludolls | 78-14-8 | >200 | 1.5 | 25 | ||||||||||
Soy | Rainfed | 12/15 | 12/15 | IV short | 400,000 | 400,000 | ||||||||
Soil 3. NA |
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GYGA DATA FORM SOURCE TABLE FOR A GIVEN CROP ROTATION IN A REFERENCE WEATHER STATION BUFFER ZONE
COUNTRY: Argentina WEATHER STATION NAME: Pehuajo
LATITUDE/LONGITUDE (decimal degrees): -35.87°/ -61.83° NEAREST LOCATION (district, county, municipality, city): Pehuajo, Bs. As.
EXAMPLE DUMMY VALUES
Indicate in this table as much as possible the sources of the data
Cropping system | Crop | Water regime | % crop area under this system | Sowing date / rule
Actual Optimal | Cultivar maturity | Plant density
Actual Optimal | Dominant soil types | Soil type description
| % of system on each soil type | |||||
Ministry of Agriculture (Arg.)
| Wheat | Rainfed | Ministry of Agriculture (Arg.)
| Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | Soil 1. Ministry of Agriculture (Arg.) | |||||
Soil 2. Ministry of Agriculture (Arg.) | ||||||||||||||
Soy | Rainfed | Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | Juan Martín Capelle (AACREA) | ||||||||
Soil 3. NA |
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