12 июл. 2013 г. · The soil is highly acidic. · The type of clay particles present in tropical rainforest soil has a poor ability to trap nutrients and stop them ...

A majority of the soils in this area are Alfisols and Ultisols. These soils are very old and low in fertility, but since there is a dry season, more of the ...

Soils remained slightly alkaline (pH 7.4–7.5), with higher concentrations of calcium, magnesium, and potassium than in acid soils of older rainforests.

The following criteria are applied to select reference soil profiles from the database: altitude less than 1000 m, a humid or perhumid Length of Growing Period ...

30 авг. 2022 г. · Tropical soils tend to be acidic and nutrient-poor due to the erosion of minerals from excessive rainfall.

31 июл. 2012 г. · Amazonian soils are so weathered that they are largely devoid of minerals like phosphorus, potassium, calcium, and magnesium, which come from " ...

Soil · Most of the soil is not very fertile close fertileWhen soil is rich in nutrients.. · A thin layer of fertile soil is found at the surface where the dead ...

26 окт. 2024 г. · Soils in tropical rainforests are typically deep but not very fertile, partly because large proportions of some mineral nutrients are bound up ... Environment · Population and community... · Biota · Flora, Fauna, Relationships

Soils are often red in colour as they are rich in iron. This leaching means that the lower layers of the soils lack the nutrients and minerals needed by the ...