Calcium hydroxide has a neutralizing value (calcium carbonate equivalent) of . . . . . . . .
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Soil Science
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N content in Humic & Fulvic acids are
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Which country has largest deposits of K?
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The critical value for K deficiency in maize is
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The microrelief of soils produced by expansion and contraction with changes in moisture is known as
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Chain like Phyllosilicate is
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Iron deficiency starts when it is
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Soils high in swelling clays which crack widely upon drying resulting in shrinking, shearing and soil mass movement are characteristics of
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Relative Humidity is measured by
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The particle density of clay soil is
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For consideration of Argillic endopedon, how many times of clay content need to have than overlying horizon?
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Size of colloidal clay particle is less than
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In Ammonium Nitrate % of Ammonium and Nitate are
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Sulpher, Rock phosphate & Thiobacillus combined to form
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No. of benchmark soil in India is
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Useful practice to manage acid sulphate soil is
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Plant analysis is useful if done at
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Humus forming fungi includes which genera
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In Oxisol which type of Clay is found
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If quartz & feldspar are predominantly observed in sandstone, then it is called
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