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Fourth soil-forming components have an important role in supporting the function of soil as a growing medium. The fourth difference component of this land will have an impact on the versatility of the soil as a growing medium. Eg soil air serves as a source of gas needed by plants, among others: 1. As a source of oxygen (O2) that ...

Sand fraction dominated by mineral quartz (SiO2) which is highly resistant to weathering processes, while the fraction of the dust is usually derived from mineral feldspar and mica are quickly obsolete, and at the time of weathering would release a number of nutrients, so textured soil dust are generally more fertile than soils sand. From this description shows that the ...

Note from Figure 1.1! This image is a dry soil conditions, arid, no plants can grow, as a result of the influence of erosion. Yet we know that in human land to plant crops to meet both the needs of food, clothing and housing. In other words it can be said that the land is a natural resource that is ...

Total suspended solids or Total Suspended Solid (TSS) is suspended materials and dissolved in water, these materials filtered on Millipore filter paper with a pore size of 0.45 lm. While total dissolved solids are dissolved materials that are not filtered by Millipore filter paper with a pore size of 0.45 lm. TSS measurement is done by gravimetric consisting of screening ...

There are several questions that arise for everyone to learn about the land, that the land was formed from what? or factors that influence the formation of soil and what is the process. Some of the natural factors indicate that the land is part of the earth’s crust that undergo physical and chemical weathering processes in a very long time. ...

Biological soil serves as a habitat for organisms that participate actively in the provision of nutrient and growth boosters substances (additives) for plants, which are integrated capable of sustaining the productivity of the land to produce biomass and production of food crops, medicines, industrial estates, forestry and so on other. As a growing medium, the soil has four main functions, ...