Comparative Study on Growth Index and Nutritional Quality of Female Chinese Mitten Crab Eriocheir sinensis Selected at Different Growth Periods in Rice-Crab Culture Systems

Figure 1

Schematic diagram showing the design of the experiment field in the rice-crab culture systems. Note: (a) floor plan of the paddy field; (b) stereoscopic view of the paddy field. Each experiment field comes equipped with a water inlet and a water outlet. Every 6 rows of rice are planted, and then 1 row is emptied to facilitate air circulation; 6 rows of rice are planted as one planting area to facilitate mechanical planting.

(a)

(b)