ACROSS
1. Producing offspring (8) 5. Harvested (8) 9. Sea duck whose down is used for stuffing bedding (5) 10. Agricultural business premises (4) 11. Subspecies of rice producing long, thin, fluffy grains (6) 12. Encroachment by non-indigenous plants (8) 14. Gone out of use (8) 17. Living by taking prey (9) 19. Domestic animal that is lost (5) 21. Distinctive nature of an individual or group (5) 22. In continuing advance (7) 23. Seed of the cacao tree or a powder made from it (5) 25. Deep gulf (5) 27. Nourishment (9) 29. Complex nitrogenous substances found in lean meat, poultry, fish, eggs, etc (8) 32. Aperitif wine flavoured with aromatic herbs (8) 33. Inequitable (6) 34. Camping shelter (4) 35. Tone of a conversation (5) 36. Deceptive (8) 37. Breed of white pigs with long bodies and large hams (8)