Table 1.

Economics of rice production with simplified cultivation technologies in farmers' fields of Fujian and Hunan Provinces of China (1 Yuan=£0·09, 1 Nov 2010)

^*CTTP, conventional tillage and transplanting (traditional cultivation technology); CTST, conventional tillage and seedling throwing; CTDS, conventional tillage and direct seeding; NTST, no-tillage and seedling throwing; NTDS, no-tillage and direct seeding.

^†Yuan is the Chinese currency unit. One US dollar was approximately equal to 8·2 and 6·8 Yuan in 2005 and 2009, respectively.

^‡Including inputs of seed, fertilizer, herbicide, pesticide, agricultural plastic film and water.