maybe clayey soil ...
such as a swamp,marsh or bog
In my opinion and the some i have learned, i would assume that the soil was relatively moist. Afterall, Jamestown was run into the ground by the fact that they were too near to a "swamp" because of their river-side settlement. This later-lead to a plague given to them by mosquitoes. To get back on the subject, in the main area of Jamestown, the soil was more than likely moist or even very moist due to the location.
The kind of soil that the tropical has is moist because whenever it rains the soil gets wet and that becomes moist.
the soil is dry
In California, farming is mostly in the central valley. There is moist soil and great watering systems.
moist
Place stem cuttings in moist soil and place in humid area with non direct sunlight.keep soil moist and cuttings should root in 7-14 days. When rooted move cuttings to an area that gets 4 hours of morning sun. Keep plants moist until you transplant. 3-4 weeks
Worms themselves are moist. Their moisture "equilibrium" doesn't change in moist soil. But dry soil will desiccate them - they head deeper looking for moister soil.
The Delta formed by the soil the river depositsas it flows into the sea and it becomes a wet area just like a swamp.
Moist
The moist soil will make the plants grow more than on the dry soil in the dirt of the garden