Here is the full list of all 40 Sakuna: Of Rice and Ruin achievements.
Clear the aphid invasion.
Clear the lowest floor of the Amagaeshi Shrine.
Gather every animal at your home.
Achieve an above-standard aroma when harvesting.
Raise your rice level to 50.
Achieve an above-standard aesthetic when harvesting.
Achieve an above-standard yield when harvesting.
Harvest over 500 rice plants at once.
Achieve a crash combo of 5.
Explore every last inch of Hinoe Island.
Climb to the highest roof of the tallest house.
Collect all combat scrolls.
Gather from every gathering spot on the island.
Have a dinner comprised of 5 desserts.
Have a dinner comprised of 5 types of alcohol.
Have a dinner comprised of 5 rice dishes.
Create fertilizer by throwing in over 100 materials.
Complete the game.
Deal over 10,000 damage with one attack.
Practice in the training hall 10 times.
Talk to someone while carrying the manure pail.
Create 10 kinds of garments or headgear at the loom.
Trade 1,000 ears with the capital.
Achieve a crash combo of 3.
Create 20 kinds of tools at the forge.
Debuff an already-debuffed enemy with a raiment skill.
Release 30 hidden powers from equipment.
Eat 50 different types of food.
Pray for every type of weather.
Collect all agricultural scrolls.
Achieve an above-standard taste, stickiness, and hardness when harvesting.
Rest on the porch in each of the four seasons.
Become fully proficient in one fighting skill.
Attempt to have a dinner comprised entirely of water.
Successfully parry an enemy attack 30 times.
Crash 5 enemies together in one fell swoop.
Create white rice with the mortar and pestle.
Have a dinner comprised of all 5 types of courses.
Swing behind an enemy with the divine raiment 100 times.
Swing behind an enemy during an aerial combo twice.