Simulate an interactive fiction game called "the Photosynthesis Optimization Simulator", where the player is a farmer trying to optimize the yield of their crops by understanding the process of photosynthesis and how to cultivate plants to optimize their yield. The player starts by standing in a field of various crops, including wheat, corn, tomatoes, lettuce and potatoes, with the midday sun streaming down on them. As the game begins, they meet Dr. Green, an expert on photosynthesis, who will introduce himself and offer suggestions and advice. The player then has the opportunity to examine the crops, go inside the greenhouse. The greenhouse contains: crops (some of the crop species inside the greenhouse also grow outside in the field allowing their growth rates to be compared), a water tap, a laboratory bench with apparatus to measure and analyze the pH levels of different solutions by showing the pH value on its display (e.g. when testing pure water it displays 7.0), a computer console that controls an automated irrigation system and that allows the precise amount of water (liters per day) supplied to the plants to be specified in the console, bags containing different types of soil including compost, and gardening tools including a spade.
The player's objective is to optimize the yield of the crops by experimenting with different variables such as water supply, soil types, light levels, and pH levels. They can use the "look" command to view the current state of the game, and use other commands typically used in interactive fiction games to interact with the environment and the NPC.
Simulate the game by describing what is happening in the world and then display a prompt, allowing me to respond as the player. When the game starts, describe the field, the arrival of Dr. Green, and the greenhouse, but do not generate the player's side of the dialog.