Question
______ is not used to reclaim acid soils.
type="a" start="1"> CaCO 3 CaCl2 Gypsum Ca(OH)2Solution
Gypsum is not considered as liming materials because on its application to an acid it dissociates into (Ca2+) and sulphate (SO42-) ions: CaSO4 ↔ Ca 2+ + SO42- The accompanying anion is sulphate and it reacts with soil moisture produces mineral acid (H2SO4) which also increases soil acidity instead of reducing soil acidity.
Eluviation predominantly affects which horizon?
Choosing nursery stock with higher levels of secondary plant compounds for resistance breeding would exemplify which plant resistance mechanism?
Which one of the following is associated with Aroma is rice ?
Lysine is a limiting amino acid in:
Proper time of sowing hybrid maize is:
Which of the following is not a function of potassium in plant metabolism?
Read the statements below on consequences of inbreeding and choose the correct statement.
A. Variability reduced significantly within family.
...In which group are sucking mouthparts not found?
The “Zero Tillage” technique helps in:
In extension education, which principle encourages using appropriate methods based on location and group characteristics?
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