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Dirt varies in color to match the rock layer directly below it. With grass covered areas, it may be hard to notice a transition between dirt colors, but the transition is much more obvious in areas with cliffs with exposed dirt. The color of dirt has no effect on the nutrient content once tilled into farmland.
Dirt will grow with grass on top of it, which in very dry areas will become Dry Grass, which has a rich yellow-brown color.
Farmland, also known as soil, contains three basic nutrients for crops. By using the water and nutrient modes on a metal hoe, the Player can get a visual indicator on the plots of the nutrient levels and the access to water.
Nutrients are diminished by growing crops in the soil and are replenished over time by either letting the plots "fallow" for a season or by planting your crops in cycles, choosing a crop that has a different nutrient requirement than the ones that are depleted in the earth. Dirt blocks will have no nutrients when tilled, while grass blocks will have full nutrients.
Dirt blocks will usually drop dirt items of the corresponding kind. There is also a small chance of a clay ball dropping instead of a dirt block. Grass blocks have a larger chance of dropping a clay ball.
- Main article: Clay
Clay spawns in wetter areas in large clumps that replace some of the local dirt. Clay grows with grass above it and drops clay balls when broken. Clay will always have goldenrod flowers growing on top of it, which have dense green stems and yellow flowers on top. Using goldenrods is the easiest way to find clay, as goldenrods only spawn on top of clay.
Sand is found along riverbeds and oceans and in deserts near the equator, as well as in small patches on the ground, more commonly in drier areas.
Sand varies in color to match the rock layer directly below it. This can be useful to determine when the surface rock layer changes along the ocean floor.
Sand can be used in Sluices, where it is more likely to return gems than ores. It will provide 20 soil when thrown into a sluice, or the block can be placed underneath a water source, in a river or ocean biome, and right clicked on with a Gold Pan.
Certain sands (Quartzite, Granite, Chert, Rhyollite, or Phyllite) are high in silica and can be used as an ingredient in Glassworking. These Sands will display a tooltip indicating them as Silica Sand.
Gravel is found along riverbeds and oceans, as well as in small patches on the ground, more commonly in drier areas and underneath dirt in many areas. It's primary use is in Roads, where it is placed on a dirt road before it can be mortared. It is also used in Sluices, where it is more likely to return ores than gems. It will provide 20 soil when thrown into a sluice, or the block can be placed underneath a water source, in a river or ocean biome, and right clicked on with a Gold Pan.
Peat spawns in dirt below or equal to a y-level of 146, often spawning in swamps. It can be used as fuel in a fire-pit. Like dirt and clay, grass can grow on top of peat, therefore hiding the texture and making it harder to find. It can be used as a very low temperature, but long-burning fuel in firepits.
Unlike in vanilla minecraft, dirt, grass, cobblestone and gravel are all affected by gravity. This means that without a block underneath them, they will fall similarly to vanilla sand. When grass starts falling it will turn into dirt.
Gravity in TFC is also different from vanilla gravity. Blocks affected by gravity cannot be used to easily form walls or pillars because they will fall over into piles unless they are supported by any other blocks on at least two sides as well as the bottom. If placed in the right order walls out of these blocks are possible, but can easily collapse if the wrong block is broken. A support beam will prevent these blocks from falling in its area of effect.
Undergrowth, Ferns, Shrubs, and Bushes
Undergrowth, Ferns, and Shrubs are small plants that drop sticks and poles when broken with an axe or with an empty hand. Evergreen shrubs also drop straw and ferns only drop straw.
There are two varieties of Undergrowth, a leafy passable "carpet", and a small impassable plant, which comes in two varieties: a tropical palm type and a temperate woody type with smaller leaves.
Ferns will spawn in very wet conditions and appear as a wide set of fronds in a circular pattern, with fronds varying from less than a block long to over 2 blocks long. They serve as decoration and a source of straw.
Undergrowth and ferns spawn in forests, while shrubs spawn more often in drier temperate areas. Like the second type of undergrowth, shrubs are impassable small plants. They serve to decorate the world and to round out the terrain. Shrubs and plant-type undergrowth will lose their leaves when the temperature goes below freezing. There is also an evergreen variation of shrub which spawns in colder climates that does not lose its leaves when cold.
All shrubs, undergrowth, and ferns can be picked up by breaking them directly with a shovel - with the exception of evergreen shrubs, which become normal shrubs when picked up. This process takes much longer than breaking them with an axe, but can be used to transplant any of these plants for the sake of decoration instead of breaking them for resources. The appearance of a plant depends on its coordinates, and thus the plant models might change if it is placed down in a new location.