portable thrasher
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- egg character
- shoot harvesting
- in vitro digestibility
- fertilization time
- intensive farming method
- long pistillate
- autumn planting
- achromatic figure
- first half period of growth
- euryphagous,polytrophic
- water supplying system
- Open cultivation
- colitis
- TCA cycle
- abortive transduction
- Reducing substances
- Soil surface mulching
- antracole
- ecological climatology，ecoclimatology
- excreta of accessory sex gland