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Authors: 超级管理员 | Edit: tianfuyou
This monitoring period covers the sowing and growing season for rice and maize and the growing and harvesting season for wheat. The proportion of irrigated agricultural land in Turkey is 19.8%, and rainfall is an important factor limiting crop production. At the national level, Turkey's RAIN (+38%) is on the high side compared to the 15YA, while TEMP (-0.2°C) and RADPAR (-4%) are both slightly below average. Crop growth was good across the country due to abundant rainfall.
The NDVI-based crop growth trend line shows that crop growth was basically equal to the average throughout the observation period and better than in 2022. The NDVI distance level clustering map shows that crop growth was better in the Sea of Marmara, the Aegean Sea, most of the Mediterranean region, and the eastern region of the Central Anatolian region, where VCIx was greater than 1.0. The VCI for the whole country is 1.24. Overall, the country's crops are in favorable condition.
Regional analysis
Türkiye includes four agro-ecological regions: the Black Sea region (191), the Central Anatolia region (192), the Eastern Anatolia region (193) and the Marmara, Aegean, and Mediterranean regions (194).
Crop growth was better than average in the Black Sea region. Abundant rainfall (+38%) provided favorable growing conditions for crop growth. TEMP (-0.7°C) and RADPAR (-3%) did not vary much. The final result was that BIOMSS was 10% higher than average. CALF (+2%) did not vary much. The mean value of VCIx was as high as 0.96, which is the highest among all four agro-ecological zones of Turkey. CPI was 1.2. Crop growth was favorable, and average to above average crop yields can be expected.
Crop growth in the Central Anatolian region was also relatively good. The region had abundant rainfall (+56%), little change in TEMP (-0.4°C) and RADPAR (-4%), resulting in above average BIOMSS (+19%), which was the most pronounced positive departure among the four regions. It is worth noting that CALF (+21%) increased significantly, with a VCIx of 0.93 and a CPI of 1.38, the highest of the four regions. Overall crop growth was favorable.
Eastern Anatolia was the only region where rain RAIN (-12%) was below average. This resulted in low potential BIOMSS (-4%). The VCIx (0.87) was the lowest in the region. This indicates that crop growth in the region was average.
The highest increase in rain (RAIN +67%) was observed for the Marmara, Aegean and Mediterranean regions. However, RADPAR was reduced (-6%). Their combined effect, together with temperature, led to an increase in potential cumulative biomass by 16%. VCIx in the region was 0.91 and CPI was 1.15. Conditions were favorable.
Figure 3.5 Türkiye’s crop condition, April 2023 - April July 2023
(a). Phenology of major crops | |
(b) Crop condition development graph based on NDVI | (c) Maximum VCI |
(d) Spatial NDVI patterns compared to 5YA (e) NDVI profiles | |
| |
(f) Time series rainfall profile (g) Time series temperature profile | |
(h) Crop condition development graph based on NDVI (Black Sea region (left) and Central Anatolia region (right)) | |
(i) Crop condition development graph based on NDVI (Eastern Anatolia region (left) and Marmara_Agean_Mediterranean lowland region (right)) |
Table 3.1 Türkiye’s agroclimatic indicators by sub-national regions, current season's values and departure from 15YA, April 2023 - July 2023
Region | RAIN | TEMP | RADPAR | BIOMSS | ||||
Current(mm) | Departure from 15YA(%) | Current(°C) | Departure from 15YA(°C) | Current(MJ/m2) | Departure from 15YA(%) | Current(gDM/m2) | Departure from 15YA(%) | |
Black Sea region | 541 | 38 | 12.2 | -0.7 | 1281 | -3 | 887 | 10 |
Central Anatolia region | 337 | 56 | 15.0 | -0.4 | 1421 | -4 | 822 | 19 |
Eastern Anatolia region | 264 | -12 | 14.8 | 0.5 | 1510 | -1 | 705 | -4 |
Marmara Agean Mediterranean lowland region | 299 | 67 | 18.7 | -0.2 | 1450 | -6 | 823 | 16 |
Table 3.2 Türkiye’s agronomic indicators by sub-national regions, current season's values and departure from 5YA, April 2023 - July 2023
Region | CALF | Maximum VCI | |
Current(%) | Departure from 5YA(%) | Current | |
Black Sea region | 99 | 2 | 0.96 |
Central Anatolia region | 75 | 21 | 0.93 |
Eastern Anatolia region | 83 | 6 | 0.87 |
Marmara Agean Mediterranean lowland region | 84 | 7 | 0.91 |