Physoderma trifolii | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Fungi |
Division: | Blastocladiomycota |
Class: | Physodermatomycetes |
Order: | Physodermatales |
Family: | Physodermataceae |
Genus: | Physoderma |
Species: | P. trifolii |
Binomial name | |
Physoderma trifolii (Pass.) Karling, (1950) | |
Synonyms | |
Urophlyctis trifolii |
Physoderma trifolii is a plant pathogen infecting red clover. [1]
Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in cities. While humans started gathering grains at least 105,000 years ago, nascent farmers only began planting them around 11,500 years ago. Sheep, goats, pigs, and cattle were domesticated around 10,000 years ago. Plants were independently cultivated in at least 11 regions of the world. In the 20th century, industrial agriculture based on large-scale monocultures came to dominate agricultural output.
Wheat is a grass widely cultivated for its seed, a cereal grain that is a staple food around the world. The many species of wheat together make up the genus Triticum ; the most widely grown is common wheat. The archaeological record suggests that wheat was first cultivated in the regions of the Fertile Crescent around 9600 BC. Botanically, the wheat kernel is a caryopsis, a type of fruit.
A fertilizer or fertiliser is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or other non-nutrient soil amendments. Many sources of fertilizer exist, both natural and industrially produced. For most modern agricultural practices, fertilization focuses on three main macro nutrients: nitrogen (N), phosphorus (P), and potassium (K) with occasional addition of supplements like rock flour for micronutrients. Farmers apply these fertilizers in a variety of ways: through dry or pelletized or liquid application processes, using large agricultural equipment, or hand-tool methods.
The Scrophulariaceae are a family of flowering plants, commonly known as the figwort family. The plants are annual and perennial herbs, as well as shrubs. Flowers have bilateral (zygomorphic) or rarely radial (actinomorphic) symmetry. The Scrophulariaceae have a cosmopolitan distribution, with the majority found in temperate areas, including tropical mountains. The family name is based on the name of the included genus Scrophularia L.
The Asclepiadoideae are a subfamily of plants in the family Apocynaceae. Formerly, it was treated as a separate family under the name Asclepiadaceae, e.g. by APG II, and known as the milkweed family.
The cowpea is an annual herbaceous legume from the genus Vigna. Its tolerance for sandy soil and low rainfall have made it an important crop in the semiarid regions across Africa and Asia. It requires very few inputs, as the plant's root nodules are able to fix atmospheric nitrogen, making it a valuable crop for resource-poor farmers and well-suited to intercropping with other crops. The whole plant is used as forage for animals, with its use as cattle feed likely responsible for its name.
The Three Sisters are the three main agricultural crops of various indigenous people of Central and North America: squash, maize ("corn"), and climbing beans. In a technique known as companion planting, the maize and beans are often planted together in mounds formed by hilling soil around the base of the plants each year; squash is typically planted between the mounds. The cornstalk serves as a trellis for climbing beans, the beans fix nitrogen in their root nodules and stabilize the maize in high winds, and the wide leaves of the squash plant shade the ground, keeping the soil moist and helping prevent the establishment of weeds.
The Neolithic Revolution, also known as the First Agricultural Revolution, was the wide-scale transition of many human cultures during the Neolithic period in Afro-Eurasia from a lifestyle of hunting and gathering to one of agriculture and settlement, making an increasingly large population possible. These settled communities permitted humans to observe and experiment with plants, learning how they grew and developed. This new knowledge led to the domestication of plants into crops.
Floriculture is the study of the efficient production of the plants that produce showy, colorful flowers and foliage for human enjoyment in human environments. It is a commercially successful branch of horticulture and agriculture found throughout the world. Efficient production practices have been developed over the years, for the hundreds of plant taxa used in the floral industry, increasing the overall knowledge of whole plant biology. Plant breeding and selection have produced tens of thousands of new genotypes for human use. Jasmine, marigold, chrysanthemum, rose, orchid, and anthurium are flowers of commercial demand.
Theobroma is a genus of flowering plants in the mallow family, Malvaceae, that is sometimes classified as a member of Sterculiaceae. It contains roughly 20 species of small understory trees native to the tropical forests of Central and South America.
Elwendia persica is a plant species in the family Apiaceae. It is related to cumin and sometimes called black cumin, blackseed, or black caraway, and has a smoky, earthy taste. It is often confused with Nigella sativa, by which it is often substituted in cooking.
Crab Orchard National Wildlife Refuge is a 43,890 acre (180 km2) National Wildlife Refuge primarily in southwestern Williamson County, but with small extensions into adjacent eastern Jackson and northeastern Union counties of southern Illinois, in the United States. Its land and water contain a wide diversity of flora and fauna. It centers on Crab Orchard Lake. Major habitat types on the refuge include hardwood forest, agricultural land, grazing units, brushland, wetlands, and lakes. Other major bodies of water on the refuge are Devil's Kitchen Lake and Little Grassy Lake.
Jordalsvatnet is a lake in the municipality of Bergen in Vestland county, Norway. The 0.57-square-kilometre (140-acre) artificial lake has a small dam on the western end and it is the main source of drinking water for the borough of Åsane in the city of Bergen, as well as the Ytre Sandviken parts of the neighboring Bergenhus borough. The lake lies east of the village of Eidsvåg, with the European route E39 highway running along the western shoreline. The surrounding valley of Jordalen is primarily agricultural in nature.
A weed is a plant considered undesirable in a particular situation, growing where it conflicts with human preferences, needs, or goals. Plants with characteristics that make them hazardous, aesthetically unappealing, difficult to control in managed environments, or otherwise unwanted in farm land, orchards, gardens, lawns, parks, recreational spaces, residential and industrial areas, may all be considered weeds. The concept of weeds is particularly significant in agriculture, where the presence of weeds in fields used to grow crops may cause major losses in yields. Invasive species, plants introduced to an environment where their presence negatively impacts the overall functioning and biodiversity of the ecosystem, may also sometimes be considered weeds.
Aframomum corrorima is a species of flowering plant in the ginger family, Zingiberaceae. It is an herbaceous perennial that produces leafy stems 1–2 meters tall from rhizomatous roots. The alternately-arranged leaves are dark green, 10–30 cm long and 2.5–6 cm across, elliptical to oblong in shape. Pink flowers are borne near the ground and give way to red, fleshy fruits containing shiny brown seeds, which are typically 3–5 mm in diameter.
The Anacampserotaceae are a family of plants proposed in the February 2010 issue of the journal Taxon. The family was described by Urs Eggli and Reto Nyffeler in their analysis of the polyphyly in the suborder Portulacineae. The new family and its circumscription was based on molecular and morphological data. The three recognized genera - Anacampseros, Grahamia, and Talinopsis - were formerly placed in the Portulacaceae and comprise a total of 36 known species. This family was accepted in the Angiosperm Phylogeny Group's 2009 publication of the APG III system.
Stilbaceae is a family of flowering plants in the order Lamiales.
The Ministry of Agriculture Jihad is an Iranian government body established in 2001 responsible for the oversight of Agriculture in Iran. The ministry has been called Jihad of Construction but it was merged with agriculture ministry in 2001 to form the Ministry of Agricultural Jihad.
Montiaceae are a family of flowering plants, comprising about 14 genera with about 230 known species, ranging from small herbaceous plants to shrubs. The family has a cosmopolitan distribution.
Agricultural geography is a sub-discipline of human geography concerned with the spatial relationships found between agriculture and humans. That is, the study of the phenomena and effects that lead to the formation of the earth's top surface, in different regions.