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- Agriculture (19147 bytes)
56: ... wheat strains quickly took to western hemisphere soils and became a dietary staple even for native North... - Carnivorous plant (44834 bytes)
232: ...under quite extreme environmental conditions. The soils in which it grows have [[nitrate]] and [[calcium]...
266: ...rnivores. ''Pinguicula valisneriifolia'' grows on soils with high levels of calcium, but requires strong ...
342: evolved in nutrient-poor, acidic soils and are consequently extreme [[calcifuge|calcifug... - Erosion (6998 bytes)
11: ...y soils, and steep slopes to be the most erosive. Soils with a lot of [[clay]] that receive less intense ...
31: ...il particles caused by the impact of raindrops on soils. Sheet erosion is the result of heavy rain on bar... - Tundra (7482 bytes)
36: ...oils are generally better drained than permafrost soils. Alpine tundra transitions to subalpine forests ... - Alfalfa (6719 bytes)
24: ... improved agricultural efficiency. When grown on soils where it is well-adapted, alfalfa is the highest ...
37: ...8-7.5). Alfalfa requires a great deal of potash; soils low in fertility should be fertilized with manure...
57: ...roves the usefulness of alfalfa on poorly drained soils, and during wet years. - Rainforest (6551 bytes)
6: ...bstrates, especially of volcanic origin, tropical soils may be quite fertile. - Death Valley National Park (38245 bytes)
- Min (god) (6198 bytes)
18: ...black) was normally used to described the fertile soils by the [[Nile]], it was sometimes used as an [[ep... - Sand (3758 bytes)
14: Sandy soils are ideal for certain crops such as [[watermelon]... - Cusco Region (4142 bytes)
31: ... of Urubamba shows alluvial terraces in its thick soils where a strong population dedicated to [[agricult... - Beryllium (15119 bytes)
167: ...golith]], the development of [[laterite|lateritic soils]], as well as variations in [[solar activity]] an... - Cobalt (13481 bytes)
145: ...[humans]]. Having 0.13 to 0.30 mg/kg of cobalt in soils markedly improves the health of [[grazing]] anima... - Iron (23778 bytes)
196: ... [[road]] construction or to improve mineral-poor soils for [[agriculture]]. - Molybdenum (10247 bytes)
- Phosphorus (11557 bytes)
- Radon (12616 bytes)
142: ...ly but not only regions with [[granite|granitic]] soils. Not all granitic regions are prone to high exhau... - Selenium (9236 bytes)
205: ...nds are very toxic. Plants grown in selenium-rich soils, such as [[locoweed]], can cause serious effects... - Thallium (12570 bytes)
- Thorium (11307 bytes)
178: ...orium is found in small amounts in most rocks and soils, where it is about three times more abundant than... - Flea (4651 bytes)
52: ... beds. Outdoor development occurs in sandy gravel soils (moist sand boxes, dirt crawlspace under the hous...
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