Problem soils
, soil The common cultivated Most often, the lack of fertility.
complete Soils with low fertility, poor soil does not absorb water denser.
has little soil microorganisms in the environment. However, due to improper
use of soil And planting continued without improvement. And
maintenance The agriculture Inappropriate land use type.
, as well as the origin of the soil, such as clay, sand, gravel, saline soils.
, soil pH, etc. The lack of balance. The physical and chemical properties.
biological need to make improvements and solutions to benefit.
Usage For the next crop to suggest to you to the ground.
, with different kinds of problems in Africa, which seek to improve return.
useful A survey of the land, soil resources department.
of Have physical problems or quality. Which are classified as
follows: 1. Problems of low soil fertility and decline of the report. , survey and classification of the soil types, land development operations in the province. various Of the Commonwealth Most soils with low fertility. Naturally , since Located In the tropics, high temperatures and high rainfall. much the dissolution of the mineral soil parent materials is fast. , and Wash plant nutrients out of the soil in the ratio in the rainy season. were washed with water flowing downwards to the river and into the sea. , finally, from the dissolution of minerals in the soil. runs very fast now. makes the soil in most of the clay mineral kaolinite application. (Kaolinite) iron and aluminum oxide (hydrous oxide clay) which ore. clays They also play a role To absorb nutrients and replacement. cationic low (low activity clay), so make plenty. Soil naturally low with two. Soil with special problems (problem soils) from surveys and mapping. 's Department of Justice found that some soil physical properties and chemical properties. barriers or restrictions In agriculture, particularly in utilization. plant cultivation Need to be developed or revised. To enhance the production Those soil This special problem soils. Is excluded by condition The following problems or limitations.
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