Agriculture · all questions

Soil Science
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Q461

C : N ratio of FYM is

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Q462

Which element is considered as energy currency for the plant

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Q463

Basic slag is a

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Q464

Which one is called Black Mica?

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Q465

Magnesium in octahedral sheet of clay mineral indicates

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Q466

Which one is right, according to population in soil?

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Q467

The amount of organic matter by weight in organic soil is

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Q468

. . . . . . . . suggest that saltpeter (KNO₃), and not water, was the 'principle of vegetation'

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Q469

Which is the correct sequence of decreasing age of soil?

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Q470

Oldest surviving long term manurial trial in India is located at . . . . . . . . initiated in 1909.

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Q471

Vertical section of a soil is known as

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Q472

50% of atmospheric mass lies within

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Q473

Example of extrusive/volcanic rock is

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Q474

CEC of which of clay mineral is highest (120 - 150 cmol/kg)

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Q475

The C : N ratio of saw dust is

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Q476

The most electronegative element of periodic table is

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Q477

In remote sensing which type of radiation is utilized of photography

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Q478

Match the following columns:

Column I	Column II
a. Composition of true soil	1. Sticky soil formation
b. Origin of inorganic particle	2. Steeper Slope
c. Large quantities of Soil colloids	3. Mineral and organic particles
d. Formation of thinner soil	4. Weathering of rocks

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Q479

Oxidation & reduction both are seen in rock if it contains

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Q480

Which extract is used for determination of CEC

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