Terms : Hide Images
| 9735500353 | Food security | Every person in a given area has daily access to enough nutritious food to have an active and healthy life | 0 | |
| 9735500354 | Food insecurity | Living with chronic hunger and poor nutrition, which threatens one's ability to lead healthy and productive lives | 1 | |
| 9735500355 | Poverty | The root cause of food insecurity is... | 2 | |
| 9735500356 | Political upheaval, corruption, war and poverty | Obstacles to food security | 3 | |
| 9735500357 | Macronutrients | Ex) carbs, proteins, and fats | 4 | |
| 9735500358 | Micronutrients | Ex) vitamins, iron, iodine, and calcium | 5 | |
| 9735500359 | Chronic undernutrition | Occurs in people who cannot grow or buy enough food to meet their basic energy needs | 6 | |
| 9735500360 | Chronic malnutrition | Deficiencies of protein and other key nutrients | 7 | |
| 9735500361 | Overnutrition | Occurs when food energy intake exceeds energy use and causes excess body fat | 8 | |
| 9735500362 | Croplands | Produce mostly grains and provide about 77% of the worlds food using 11% of its land area | 9 | |
| 9735500363 | Wheat, corn and rice | Three biggest crops consumed globally | 10 | |
| 9735500364 | Industrialized or high-input agriculture | Uses heavy equipment and large amounts of financial capital, fossil fuel, water, commercial fertilizers and pesticides to produce single crops | 11 | |
| 9735500365 | Monocultures | Single crops | 12 | |
| 9735500366 | Yield | The amount of food produced per unit of land | 13 | |
| 9735500367 | Plantation agriculture | A form of industrialized agriculture used primarily in tropical developing countries; involves cash crops | 14 | |
| 9735500368 | Cash crops | Bananas, soybeans, sugarcane, coffee, and palm oil | 15 | |
| 9735500369 | Hydroponics | A method whereby plants are grown with their roots in troughs of water inside a greenhouse | 16 | |
| 9735500370 | Polyculture | Growing several crops on the same plot simultaneously | 17 | |
| 9735500371 | slash-and-burn agriculture | a type of polyculture; involves burning and clearing small plots in tropical forests, growing a variety of crops for a few years until the soil is deleted of nutrients, and then shifting to other plots. | 18 | |
| 9735500372 | O Horizon | Leaf litter |  | 19 |
| 9735500373 | A Horizon | Topsoil | | 20 |
| 9735500374 | B Horizon | Subsoil | | 21 |
| 9735500375 | C Horizon | Parent material; often lies on bedrock | | 22 |
| 9735500376 | Humus | Porous mixture of the partially decomposed bodies of dead plants and animals | 23 | |
| 9735500377 | aquaculture | raising marine and freshwater fish in ponds and underwater cages | 24 | |
| 9735500378 | soil erosion | the movement of soil components, especially surface litter and topsoil, from one place to another by the actions of wind and water | 25 | |
| 9735500379 | waterlogging | water accumulates underground and gradually raises the water table | 26 | |
| 9735500382 | pest | any species that interferes with human welfare by competing with us for food, invading lawns and gardens, destroying building materials, spreading disease, invading ecosystems, or simply being a nuisance | 27 | |
| 9735500383 | natural enemies | all the predators and parasites and even disease organisms that may feed on a given organism; used to control a specific pest through predation or parasitism | 28 | |
| 9735500386 | broad-spectrum agents | pesticides that are toxic to many pest and nonpest species; i.e. DDT, organophosphate compounds such as malathion and parathion | 29 | |
| 9735500387 | narrow-spectrum (selective) agents | pesticides that are effective against a narrowly defined group of organisms | 30 | |
| 9735500388 | integrated pest management (IPM) | a variety of pest control methods that include repairs, traps, bait, poison, etc. to eliminate pests | 31 | |
| 9735500389 | soil conservation | involves using a variety of ways to reduce soil erosion and restore soil fertility, mostly by keeping the soil covered with vegetation | 32 | |
| 9735500390 | terracing | a way to grow food on steep slopes without depleting topsoil; it is done by converting steeply sloped land into a series of broad, nearly level terraces that run across the land's contours |  | 33 |
| 9735500391 | contour planting | involves plowing and planting crops in rows across the slope of the land rather than up and down |  | 34 |
| 9735500392 | strip cropping | involves planting alternating strips of a row crop (i.e. corn or cotton) and another crop that completely covers the soil, called a cover crop (i.e. alfalfa, clover, rye) |  | 35 |
| 9735500393 | windbreaks/shelterbelts | trees around crop fields to reduce wind erosion | 36 | |
| 9735500394 | conservation-tillage farming | Crop cultivation in which the soil is disturbed little (minimum-tillage farming) or not at all (no-till farming) to reduce soil erosion, lower labor costs, and save energy | 37 | |
| 9735500396 | Soil Erosion Act | established the Soil Conservation Service as part of the USDA; soil districts were formed throughout the country | 38 | |
| 9735500397 | organic fertilizer | fertilizer made from plant and animal wastes | 39 | |
| 9735500398 | commercial inorganic fertilizer | fertilizer produced from nitrogen, phosphorus, potassium and other minerals | 40 |
