21.
Legumes fail to develop nodule as soil having pH of

22.
New alluvial soil is known as

23.
Specific heat is higher in

24.
Hysteresis is related to

25.
The acidic igneous rocks contains silica

26.
Langbeinite process is associated with manufacturing of which fertilizer?

27.
Which one of the following is not correctly matched

28.
Cat clay minerals are

29.
The number 32 in 12-32-16 represents

30.
Diagnosis and recommendation integrated system (DRIS) is applicable for

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