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It is a C 4 plant, able to convert up to 1% of incident solar energy into biomass. [34] In primary growing regions across the tropics and subtropics, sugarcane crops can produce over 15 kg/m 2 of cane. [citation needed] Sugar cane accounted for around 21% of the global crop production over the 2000–2021 period.
Saccharum officinarum, a perennial plant, grows in clumps consisting of a number of strong unbranched stems. A network of rhizomes forms under the soil which sends up secondary shoots near the parent plant. The stems vary in colour, being green, pinkish, or purple and can reach 5 metres (16 feet) in height.
9% (collected as sugar) → 35–40% of sugar is recycled/consumed by the leaf in dark and photo-respiration, leaving; 5.4% net leaf efficiency. Many plants lose much of the remaining energy on growing roots. Most crop plants store ~0.25% to 0.5% of the sunlight in the product (corn kernels, potato starch, etc.).
Sugar is formed by photosynthesis in the leaves and is then stored in the root. The root of the beet contains 75% water, about 20% [7] sugar, and 5% pulp. [9] The exact sugar content can vary between 12% and 21%, depending on the cultivar and growing conditions. Sugar is the primary value of sugar beet as a cash crop.
C 4 plants can produce more sugar than C 3 plants in conditions of high light and temperature. Many important crop plants are C 4 plants, including maize , sorghum , sugarcane , and millet .
Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .