Agriculture - Single MCQs (Page 63)

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Q621. Maximum absorption of water by roots takes place through the ?...Q622. Which one of the following pairs of elements and the mineral from which they are...Q623. Number of master horizons is?...Q624. Mass flow of gases into the soil occurs due to the difference of?...Q625. Lithosphere has about ______ igneous rocks?...Q626. Lithosphere contains about?...Q627. Lithosphere contains about _______ sand stone and 0.25% limestone?...Q628. Limonite is formed by the process of?...Q629. Lime is used for reclamation of?...Q630. Lignin like compounds in humus is about?...