Agriculture · all questions

Soil Science
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Q301

Bird guano contains

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Q302

Fertilisers contain one or more

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Q303

Which epipedon is not common in India?

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Q304

Critical concentration (ppm) of Zn in case of DTPA extract is

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Q305

Urea has chemical composition

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Q306

Which of the following nutrient elements is responsible for the dieback of citrus?

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Q307

With increase in base saturation, soil pH

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Q308

A fertilizer is having 20-10-10 Fertilizer Grade, what will be it's Fertilizer Ratio?

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Q309

The vertical section of soil, which shows different horizons, is called

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Q310

A soil layer of maximum leaching is indicated by the symbol of

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Q311

Susceptibility to wind & water erosion is highest for

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Q312

Humic acid isolated from soil is

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Q313

The biological method for determining deficiency of lime, P and K is

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Q314

The particle size (in diameter) of coarse sand is

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Q315

The ESP of sodic alkaline soil is

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Q316

Which is a incorrect match in the following

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Q317

Pure soda feldspar is

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Q318

Exchange acidity is determined by which method?

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Q319

Liquid Ratio is used for which kind of soils?

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Q320

The suitable fertiliser for foliar spray is

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