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Soil pH and Nutrient Availability
Soil pH is the most important factor which governs the availability of nutrients in soil. All the nutrients are absorbed by plants in their ionic form, since the solubility of these ions is pH dependent, the availability of nutrients in soil is also pH dependent. Fig.3.1 gives an idea of the pH range for availability of different nutrients in soils. The pH range of 6.0 to 7.5 appears to be optimum for the availability of most of the nutrient elements.
Q. Why does not a long lasting vaccine against common cold exist yet? Viruses that present a high mutation rate like the virus that causes the common cold escape easily from th
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Q. What are the types of chronic gastritis? Gastroscopic observation shows different types of chronic gastritis: 1. Superficial gastritis: gastric mucosa is red, oedematous,
Omnispective Classification This is the extension of the concept of natural classification put forward by Black Welder (1967). The approach seems quite realistic and pragmatic.
To test the effects of temperature on the activity of yeast Make up a quantity of bread dough .Stir a yeast cake in water and methodically mix the yeast with the dough. Divide
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Explain the Acoelomates - Animals without a Body Cavity? The simplest group of animals that has bilateral symmetry and a solid body (acoelomate) is the Platyhelminthes. Phy
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