Agriculture · all questions

Soil Science
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Q121

In 1843, Agricultural Experiment Station at Rothamsted, England was started by

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Q122

Which of the following nutrients is available at neutral pH value?

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Q123

One atmosphere means

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Q124

ATP consumption (photosynthesis) & production (respiration) are which kind of reaction respectively?

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Q125

Biogas contain . . . . . . . . % of N.

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Q126

C-axis spacing of illite is

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Q127

. . . . . . . . toxicity is probably the important growth limiting factor in acid soils, particularly when pH < 5.0 to 5.5

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Q128

Passive factor of soil formation includes

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Q129

Indicator plant for monitoring K-deficiency is

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Q130

Which one of the following occupies the highest volume percent in a fine sandy loam surface soil in good condition for plant growth?

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Q131

Which of the following small grain crops has an exceptional tolerance to law leaves of soil copper supply?

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Q132

Which chemical is used as extractant during sulfur estimation by Chesnin & Yein method?

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Q133

The external surface area of 1 g of colloidal clay is at least . . . . . . . . times that of 1 g of coarse sand

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Q134

Capillary pores are

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Q135

Which of the following method will be followed where information are unavailable for research purpose?

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Q136

Almost 95% of Indian soils are low or medium in

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Q137

2 : 1 : 1 type of clay mineral contain and extra sheet of . . . . . . . . as compared to 2 : 1 type of clay minerals

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Q138

Main objective of puddling in paddy is to

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Q139

Which of the following is a micronutrient?

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Q140

Which type of fertilization enhances manuring properties of Green Manures?

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