make a list of all the dynasties and the ruler from (1206 to 1489)
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Importance of pH in soil : Plants require a specific pH range for their healthy growth.
→ The soil whose pH is between 6.5 to 7.3, the growth and development of shrubs is good.
→ The soil having pH value less than 6.5 is called acidic soil.
→ The soil having pH value more than 7.3 is called basic soil.
→ The farmers add lime (CaO) to the acidic soil to neutralise it, while to neutralise basic soil, they add gypsum (CaSO4.2H2O) to the soil.
→ The soil whose pH is between 6.5 to 7.3, the growth and development of shrubs is good.
→ The soil having pH value less than 6.5 is called acidic soil.
→ The soil having pH value more than 7.3 is called basic soil.
→ The farmers add lime (CaO) to the acidic soil to neutralise it, while to neutralise basic soil, they add gypsum (CaSO4.2H2O) to the soil.
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