Q621
Open questionWhich science assumes the status of petrology, petrography and pedogenesis
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Agriculture · all questionsSoil Science
Soil Science
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Q622
Open questionThe soil organisms are most active at . . . . . . . . temperature.
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Q623
Open questionHydromorphic soils are evolved by which process
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Q624
Open questionWhat is the porosity percentage if the particle density of soil is 2.6 and bulk density is 1.3
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Q625
Open questionIn plants, the common symptom caused by the deficiency of K, P, Ca, and Mg is the
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Q626
Open questionApatite is a group of minerals which mainly contains
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Q627
Open questionWhich of the following is nitrogenous fertiliser for amide group?
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Q628
Open questionEthanol soluble fraction of Humic acid is
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Q629
Open questionMicrobial Biomass generally constitute . . . . . . . . % of total soil mass.
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Q630
Open questionCentral soil salinity research institute is located at
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Q631
Open questionAmong the following fertilizers which one having highest solubility in water?
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Q632
Open questionWho suggested that the principal nourishment of plant was water
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Q633
Open question"Horse hoeing husbandry" was written by
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Q634
Open questionDuring Isomorphous substitution within clay, two cations (replaceable & replacing) must have ionic radii within range of
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Q635
Open questionRocks containing more than 65% SiO2 are
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Q636
Open questionThe exchangeable sodium ratio (ESR) can be calculated as
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Q637
Open questionWater balance approach was given by
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Q638
Open questionSAR of the normal soil is
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Q639
Open questionThe share of urea in the N production pattern is
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Q640
Open questionPotassic fertiliser containing maximum quantity of potash is
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