6
Diagnosis and recommendation integrated system (DRIS) approach was developed by:
Soil Physics
7
Quality Protein Maize (QPM) is richer in which of the following amino acid than normal maize ?
8
Concept of root interception is propounded by’
9
Read the following statements
(A) . Ata given time, potassium in the solution and exchangeable forms constitutes the fraction readily available to plants
(B) . The exchangeable K tends to attain equilibrium slowly with solution K but, rapidly with non-exchangeable K.
(C) . The solution K concentration largely controls the K movement (diffusion) towards the plant roots and thereby, the K
uptake by plants.
(D) . On depletion of exchangeable K, the non-exchangeable K replenishes it and the supply of K to plants is maintained.
Choose the correct answer from the options given below:
10
(A) . Liming soils to »pH 6.8-7.0 can reduce phosphorus availability because of the precipitation of Ca or Mg phosphates
(B) . With the exception of molybdenum, micronutrient availability decreases with increasing pH due to liming
(C) . Structure of fine-textured soils may be improved by liming, as a result of enhanced flocculation of Ca-saturated clays
(D) . Liming decreases the incidence of diseases such as scab in root crops.
Choose the correct answer from the options given below:
General Agriculture
6 TopicsPedology
2 TopicsSoil Physics
3 TopicsSoil Chemistry
4 TopicsSoil Fertility
4 TopicsSoil Microbiology
4 Topics
Official PYQ Papers
Previous Year Papers of Soil Science
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2024
29-06-2024