Table 1.
Relevant literatures that linked with crop yield forecast using remotely sensed data literatures are sorted according to the crop types.
Table 2.
NVDI variables and their calculation formulas.
Figure 1.
The locations of the study areas within Mainland China.
Heilongjiang is designated by HLJ, Jiangxi by JX, Guangxi by GX, Sichuan by SC, and Hunan by HN.
Table 3.
Planted area and production changes for rice between 1979 and 2009 for different regions in the conterminous China.
Table 4.
General information on Rice cropping system, Life span, Total annual rainfall (mm), Annual accumulated temperature (≥10°C), Area (kha) and Production (kt) for the study areas.
Figure 2.
Rice yield trends for the provinces' of Heilongjiang (HLJ), Hunan (HN), Jiangxi (JX), Sichuan (SC) and Guangxi (GX) from 1979 to 2006.
Table 5.
Trends in rice yield for five selected-provinces in China from 1979 to 2009.
Table 6.
Correlation coefficient (R) between the remotely sensed yields and NDVI variables during the rice growth period.
Table 7.
Results of the stepwise regression models for remotely sensed rice yield using AVHRR-derived NDVI measures as independent variables.
Figure 3.
Observed versus predicted yields of rice (kg/ha) for the provinces of Heilongjiang (HLJ), Hunan (HN), Jiangxi (JX), Sichuan (SC) and Guangxi (GX) over the period 1982–2004.
Table 8.
Observed and predicted rice yields (independent test).