Soil Science One Liners For All Agricultural Exams
Soil Science One LinersSubject:- Soil Science
Special 30 One Liner Questions
| Questions | Answer | |
| 1 | Nutrient uptake both charges form? | N (NH4+ and NO3–) |
| 2 | Technique of isolation of nematode from soil first discovered by? | N A.Cobb |
| 3 | Inverted ‘v’ shape yellowing symptom at the tip of the lower leaves shows due to deficiency of? | N deficiency |
| 4 | What is the range of soil pH? | 0-14 |
| 5 | Kaolinite is a type of mineral? | 1 : 1 type (non-expanding) |
| 6 | Organic carbon is determined by? | 1. Walkey or Black method 2. Morgan’s method |
| 7 | NPK content of town compost? | 1.5:0.4:1.4 |
| 8 | What is the electrical conductivity of Brakish? | 1.5-3 |
| 9 | Which of the element is important in stabilizing various enzymes systems in plants is? | Potassium |
| 10 | Potassic fertilizer suitable for fertigation? | Potassium Nitrate (44% K2O 13% N2O) |
| 11 | Applications of technologies and principles to manage spatial and temporal variability associated with all aspects of agricultural production for the purpose of improving crop performance and environmental quality is called as? | Precision farming. |
| 12 | Curing of meat involves? | Rubbing with Sodium nitrate |
| 13 | The first soil classification system was developed by? | Russian scientist Dokuchaiev (1880) |
| 14 | Slow released N fertilizers? | S coated urea, Neem coated Urea, Urea super granule |
| 15 | The first person attempt to produce gobar gas in India? | S.V. Desai |
Soil Science One Liners
| Questions | Answer | |
| 16 | Germinate quickly and large canopy? | Smother cropping |
| 17 | Quantity of lime required to added to a soil to correct the soil acidity is known as lime requirement. Determined by? | SMP buffer method |
| 18 | The nutrient contents in Ammonium sulphate? | 20 % N and 24% S |
| 19 | One packet of rhizobium culture contains? | 20 gram of rhizobium |
| 20 | N% in ammonium sulphate? | 20.6% N |
| 21 | P2O5% in Raw bone meal? | 20-25% P2O5 |
| 22 | Deep ploughing depth according to CRIDA ? | 25-30 cm |
| 23 | P205% in Rock phosphate? | 20-30% |
| 24 | Total no. of functional nutrients? | 21 (Essential elements + Co, V, Si, Na) |
| 25 | Sulphur percentage in Ammonium sulphate? | 24% S |
| 26 | P205% in single super phosphate ? | 16-20% P205 |
| 27 | S% in potassium sulphate? | 17.5% S |
| 28 | S% in Gypsum ? | 18.6%S |
| 29 | N & P2O5% percent in DAP? | 18% N, 46% P2O5% |
| 30 | No. of soils orders according to 7th approximation classifications are? | 12 orders |
Soil Science One Liners
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