The colors can vary depending on the amount of organic matter in the soil but a good rich sandy loam should be dark if not black. It will also have a good structure and drain well holding together when dug up but still be friable and crumble well.
Riverine alluvium Terai soils Lateritic soils Red-yellow loams Red sandy soils
clay soils, loamy soils and sandy soils
Soils for Turmeric cultivation should be rich and friable. Soils with a little higher sand content (Loams and sandy loams) are well suited.It is grown in different types of soils from light black, sandy loam and red soils to clay loams.It grows on light black, ashy loam and red soils to stiff loams in irrigated and rainfed areas.It thrives well in a well-drained sandy loam soil rich in humus content or clayey-loam soil.The crop cannot stand water logging or alkalinity.Gravelly, stony and heavy clay soils are unsuitable for the development of rhizomes.In Andhra Pradesh Turmeric cultivation is largely confined to five Agro Climatic zones,
Sandy soils are much more permeable that clay soils.
The sandy soils let the water pass through but the clay soils hold the water
sandy soils
It is grown in red soil.
Sandy soils are generally less fertile than clay soils because they do not hold water as well as clay soils. Clay soils are usually fertile and hold more nutrients than sandy soils.
Clay and organic soils hold nutrients better then sandy soils because the sandy soils as the water drains away, the water will carry the nutrients with it. This is called leaching and the nutrients will not be available for the plants to use.
Water can easily move through sandy soils, wheras clay-rich soil is much harder for water to penetrate, so sandy soils are drier.
Sandy soils are generally less fertile than clay soils because they do not hold water as well as clay soils. Clay soils are usually fertile and hold more nutrients than sandy soils.
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