I assume you’re already 0maying on the easiest difficulty. If you don’t already, just do.
For food, make sure to research and use kitchens. They will usually transform a small number of portions to a larger number, like 2->4 or 2->3 and give an efficiency boost to your population because it is cooked food.
Beware that when you cross a certain threshold of population, their need increase and they will require better housing, cooked food and a variety in good. Or else the efficiency will decrease. So accept nomads in consequence, not sure if the threshold are different on easy mode , but it’s something lile 40.
Still on food, you should get berry harvesters and farms because of the variety mentionned above. And also because berry are good for every biomes.
Make sure to change the crops of your farm depending on the biome you’re in once research other food source.
For poison, you could deal with the first poison cloud with just harvesters and doctors to treat them. But after, you need decontaminators, they burn the poison without the need to select it and are immune to poison but require fuel, you need to research that as well. Either Onbu bile, easier but hurts Onbu so be sure to stop the building once you have enough fuel, or poop harvesters + compost to make fuel without hurting Onbu.
You can pause the game whenever you want with “space”. If you do this after you’re out of the poison cloud, you can take your time to search the plateau for poisonous plants and select them for harvesting. Since you have enough time, make sure you find everything. You can also pause some buildings to get additional free workers to help you with collecting all the poison plants. I think it’s advisable to have a village doctor and herbs early game, as harvesting poison plants by hands poisons workers. Decontaminators are better and don’t get poisoned, but it takes a while to get them up and running.
Bonus Tips for Farming
Sometimes farming can be a little wonky… but there are a few things I’ve noticed to help stabilize things a little early game. You’ll need to expand for larger populations.
I’ve gotten the best results from building two farms each in a 12×12 grid. A quick reference is four rows of crops per farm, with the farm in the middle. You can double up crops, but it’s mostly for cactus and corn in deserts. You can use a very small farm for wheat*, i had a 4×4 plot area and was drowning in wheat.
Build berry harvesters next to berries, and then section off an area for the berries to grow in. 1-3 rows and 2-3 berry harvesters will help keep you supplied. Berry jam goes through more than a single hut provides.
You’ll probably want 2-3 mushroom farms with 2-3 crop rows. Not only is it onbu food, it can be people food, or medicine….or rocks.
The herbalist gets the same general size as the farm, but you may need 2 or 3 separate plots to keep up with larger populations later.
Build 2-3 fishing huts, but pause them when you’re not in the ocean. Last I played it wasn’t worth building aquaponics to breed fish or grow kelp, you’ll just waste resources.
Wheat is the real colony staple of your diet. As mentioned earlier, a little wheat farm goes a long way. In almost all of my successful games my starvation issues turned around once I started making bread. Literally, from barely scraping a dozen meals to having thousands.
Sorry for the wall of text here about crop plot sizes mostly, but the last one is important too: you can turn off what a warehouse will accept… right? So don’t try to fill up your big warehouse with hundreds of onbu medicine. Build a small stockpile next to the doctor and have it be the only one holding antidotes… you’ll stop making them once you have 30.
Same with onbu food, you don’t need to have 3000 onbu food in your warehouses. Or 1500 energy boosters. Production management is just as important as the amount of food or herbs you can stock.