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Soil - Statistics
General Stats
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This quiz has been taken 13 times
2 since last reset
- The average score is 8 of 119
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| Types of soil texture | Clay | 100%
|
| Types of soil texture | Loam | 100%
|
| Types of soil texture | Sand | 100%
|
| Types of soil texture | Silt | 100%
|
| Factors of fertility | Aeration | 50%
|
| Human activities affecting fertility | Irrigation | 50%
|
| Micronutrients | Minerals | 50%
|
| Erosion management strategies | Natural erosion management | Organic matter | 50%
|
| Actions that decrease nutrient levels | Soil erosion | 50%
|
| Types of soil erosion | Wind | 50%
|
| Humus can hold how much x it's weight in water | 10 | 0%
|
| Ideal soil pH | 5.5-7 | 0%
|
| Define soil fertility (5 words) | Ability to sustain plant growth | 0%
|
| Gravitational water | Absorbed and drains easily | 0%
|
| How fertile soils manage toxicity | Adsorb toxic ions | 0%
|
| Ploughing and drainage increases (2) | Aeration, biota action | 0%
|
| Soil compaction reduces (2) | Aeration, permeability | 0%
|
| Importance of aeration | Aerobic organisms | 0%
|
| Importance of deep soils (3 words) | Aids root anchorage | 0%
|
| Oxidisation of what fertilisers releases NOx | Ammonium sulfate | 0%
|
| USL equation | A=RKLSCP | 0%
|
| Effects of soil erosion | Atmospheric particulates | 0%
|
| Importance of water content | Avoid waterlogging | 0%
|
| Free living bacterium | Azotobacter | 0%
|
| Actions that decrease nutrient levels | Biomass removal | 0%
|
| Importance of detritivores | Breaks up dead organic matter | 0%
|
| Types of soil water | Capillary | 0%
|
| What holds clay soils together | Capillary action | 0%
|
| Human activities affecting fertility | Human activities increasing soil erosion | Compaction | 0%
|
| Reducing livestock density reduces (3) NOT SEDIMENTATION | Compaction, overgrazing, trampling | 0%
|
| USLE estimates the rate of erosion for particular ______ and ______ | conditions, practices | 0%
|
| Erosion management strategies | Contour ploughing | 0%
|
| Importance of nitrifying bacteria (6 words) | Converts ammonium ions to nitrate ions | 0%
|
| Importance of nitrogen-fixing bacteria (6 words) | Converts gaseous nitrogen to ammonium ions | 0%
|
| Long term crop example | Cotton | 0%
|
| Ploughing at a 90 degree angle to a slope to reduce run off velocity (initials) | CP | 0%
|
| TR divides land into what (4 words) | Criss cross intersecting ridges | 0%
|
| C | Crop management | 0%
|
| Human activities increasing soil erosion | Cultivating slopes | 0%
|
| Ploughing and drainage can ... | Damage soil biota | 0%
|
| Factors of fertility | Dead organic matter | 0%
|
| Effects of soil erosion | Soil erosion makes it hard for plants to grow, causing... | Desertification | 0%
|
| How decomposers break down organic matter | Digestive enzymes | 0%
|
| How are articles affected by rain splash erosion (3 words) | Dislodged and dispersed | 0%
|
| Irrigation increases | Dissolved nutrients | 0%
|
| Human activities affecting fertility | Drainage | 0%
|
| P | Erosion control | 0%
|
| Methods to increases nutrient levels (2) | Fertilisers, organic matter | 0%
|
| Sedimentation reduces | Flow capacity | 0%
|
| Importance of dead organic matter | Food for soil biota | 0%
|
| What ploughing feature stops water flow | Furrows | 0%
|
| Types of soil water | Gravitational | 0%
|
| Causes of soil compaction | Heavy machinery | 0%
|
| Hydroscopic water | Held by adhesive forces, cannot be absorbed | 0%
|
| Capillary water | Held by particles, can be absorbed | 0%
|
| Causes of soil compaction (3 words) | High livestock density | 0%
|
| Dark organic matter formed by decomposition | Humus | 0%
|
| Types of soil water | Hydroscopic | 0%
|
| Importance of worms | Increase aeration | 0%
|
| Natural erosion management | Terracing increases | Infiltration | 0%
|
| Negative effects of alkaline soils | Inhibits nutrient solubility | 0%
|
| Negative effects of acidic soils | Inhibits nutrient uptake | 0%
|
| Macronutrients | Ionic forms | 0%
|
| Platy peds (2) | Large, flat | 0%
|
| Importance of deep soils (4 words) | Less dry or waterlogged | 0%
|
| Erosion management strategies | Livestock management | 0%
|
| Erosion management strategies | Long-term crops | 0%
|
| Negative effects of acidic soils | Mobilises toxic ions | 0%
|
| Erosion management strategies | Multi-cropping | 0%
|
| Fungi that forms symbiotic relationships to increase P update | Mycorrhizal | 0%
|
| Factors of fertility | Nutrients | 0%
|
| Human activities increasing soil erosion | Overgrazing | 0%
|
| Wind erosion effects soils which have less | Particle cohesion | 0%
|
| Long term crop example | Permanent grassland | 0%
|
| Factors of fertility | Human activities affecting fertility | pH | 0%
|
| Importance of nutrients (soluble materials) | Plant growth | 0%
|
| Importance of dead organic matter | Plant nutrients | 0%
|
| Human activities affecting fertility | Human activities increasing soil erosion | Ploughing | 0%
|
| Soil compaction increases | Pollution | 0%
|
| R | Rainfall erosivity | 0%
|
| Types of soil erosion | Rain splash | 0%
|
| A | Rate of erosion | 0%
|
| Effects of soil erosion | Reduced productivity | 0%
|
| Human activities increasing soil erosion | Reduced soil biota | 0%
|
| Importance of controlling livestock access to rivers | Reduce sedimentation | 0%
|
| What can help terracing to slow water | Retaining walls | 0%
|
| Root nodule bacterium | Rhizobium | 0%
|
| Most effective formation of strip cropping | Right angle to prevailing wind direction | 0%
|
| Loam 2:2:1 ratio | sand, silt, clay | 0%
|
| Effects of soil erosion | Sedimentation | 0%
|
| What structure does terracing create (4 words) | Series of narrow fields | 0%
|
| S | Slope gradient | 0%
|
| L | Slope length | 0%
|
| Types of soil erosion | Slumping | 0%
|
| Crumb peds (2) | Small, round | 0%
|
| Factors of fertility | Soil biota | 0%
|
| Importance of water content | Soil biota survival | 0%
|
| K | Soil erodability | 0%
|
| Irrigation increases (3 words) | Stomata gaseous exchange | 0%
|
| Factors of fertility | Structure | 0%
|
| Types of soil erosion | Surface runoff | 0%
|
| Long term crop example (2) | Tea, coffee | 0%
|
| Erosion management strategies | Terracing | 0%
|
| Factors of fertility | Texture | 0%
|
| Erosion management strategies | Tied ridging | 0%
|
| tha⁻¹yr⁻¹ | tonnes per hectare per year | 0%
|
| USLE | Universal Soil Loss Equation | 0%
|
| Natural erosion management | Vegetation | 0%
|
| Human activities increasing soil erosion | Vegetation removal | 0%
|
| Factors of fertility | Water content | 0%
|
| Soil compaction increases | Waterlogging | 0%
|
| Importance of dead organic matter | Water retention | 0%
|
| Erosion management strategies | Windbreaks | 0%
|
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