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2 days ago · Physical description. rice. Ripening heads of rice (Oryza sativa). The cultivated rice plant is an annual grass and grows to about 1.2 metres (4 feet) in height. The leaves are long and flattened and are borne on hollow stems. The fibrous root system is often broad and spreading.
- The Editors of Encyclopaedia Britannica
The rice plant, species Oryza Sativa, is from the family Gramineae (Grass Family). The plant has many different variations, but is generally a short living plant, with an average life span of 3-7 months, depending on the climate and the variety. It is not a water plant but substantial amounts of water are required for the planting.
Rice plant (Oryza sativa) with branched panicles containing many grains on each stem Rice grains of different varieties at the International Rice Research InstituteRice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa.
Rice is a plant with a short lifespan of 3 – 7 months. The height of the rice plant ranges from 0.4 meters to 5 meters. The wild varieties of rice are more than 7 meters tall. Stem. Rice plants grow as a tuft of culms (stems) with long, flat leaf blades. The stem of the rice plant has joints that are made up of nodes and internodes.
- Field Preparation & Planting. February – Early May. Rice is cultivated differently than other grains because it is a semi-aquatic plant that requires consistent irrigation all season to grow.
- Irrigation & Growing. March – Early August. Rice plants grow to a height of three to four feet over an average of 120 days after planting. During this time, farmers irrigate the rice fields using the method that best fits that field or farm.
- Harvest. Mid-July – November. When rice is mature, water is drained from the fields and sophisticated combines cut the rice and separate the grain from the stalks.
- Wildlife Habitat. November – February. After harvest, farmers put a shallow flood on their rice fields. Winter-flooded rice fields improve and enhance vital wildlife habitats by providing food and foraging for migratory and wintering fowl.
The rice plant has round and hollow stems, flat leaves, and panicles at the top of the plant. Rice is a very flexible/adaptable plant that grows well under both flooded and rainfed conditions. The plant comprises vegetative organs: roots, stems, leaves, and reproductive organs; the latter is the panicle made up of spikelets.
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Jul 2, 2021 · Rice is a plant of the family of the wheat or oats that can get to reach up to 1.8 ms of height. Like them, on the inside, it presents a stem in the form of a hollow cane, except for the knots. The leaves are lanceolate, with tapered endings and parallel venation. The most significant part are the spikes, formed by a deciduous panicle where the ...
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