Fertilizers containing free acid should be packed in
Olsen’s method, which is used for phosphorus detection method used in soil is
Rhizobium of alfalfa group is
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Solution
Rhizobium SPP Crop Inoculation Group 1 Rhizobium meliloti Sweet clover, alfa-alfa, methi etc, 2 Rhizobium trifoli Pea, lentil, sweet, peas 3 Rhizobium phascoli Beans 4 Rhizobium lupini Lupine, serradella 5 Rhizobium japonicum Soyabean, cowpea, Groundnut, crotolaria etc.
In a dried plant, essential element that constitutes the bulk of its weight is
Urea contains ….. nitrogen.
The C : N ratio of farmyard manure is
Which of the following nutrient is available at neutral value?
Which of the following element is not major nutrient element?
Which of the the following nutrient element is not micronutrient?
Which of the following element is immobile?
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Solution
Mobile Elements N, P and K are highly mobile element, Zn is moderately mobile and S, Fe, Cu, Mn, Mo, Cl etc. are less mobile.
Immobile Elements Calcium and boron elements are immobile in nature.
Manures and Fertilizers
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