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The seed ratio is another way of calculating yields. Cereal yield in tons per hectare and kilograms of nitrogenous fertilizer applied per hectare of cropland. Innovations, such as the use of fertilizer , the creation of better farming tools, and new methods of farming and improved crop varieties have improved yields.
Guizotia abyssinica is an erect, stout, branched annual herb, grown for its edible oil and seed. ... The yield of seeds will average 300–400 kilograms per hectare ...
Average seed yields are about 330 pounds per acre (370 kg/ha), but on-farm yields of up to 880 pounds per acre (990 kg/ha) have been achieved. Seed is generally produced in rows spaced 30 to 36 inches (76 to 91 cm) apart. The wide row spacing (relative to grain crops like wheat) allows for
Plant density is defined as the number of plants present per unit area of ground. In nature, plant densities can be especially high when seeds present in a seed bank germinate after winter, or in a forest understory after a tree fall opens a gap in the canopy.
Senecio vulgaris is a frost-resistant [6] deciduous annual plant that grows in disturbed sites, waste places, roadsides, gardens, nurseries, orchards, vineyards, landscaped areas, agricultural lands, [19] at altitudes up to 1,600 feet (500 m) [6] and is, additionally, self-pollinating [19] producing 1,700 seeds per plant with three generations ...
Shiso – shiso [17] is the now common name [18] for the Japanese culinary herb, seed, or entire annual plant of Perilla frutescens. Sorrel – or garden sorrel, often simply called sorrel, is a perennial herb that is cultivated as a garden herb or leaf vegetable. Tarragon – perennial herb in the family Asteraceae related to wormwood.
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The upright, reddish-brown linear seed capsule splits from the apex and curls open. It bears many minute brown seeds, about 300 to 400 per capsule and 80,000 per plant. The seeds have silky hairs to aid wind dispersal and are very easily spread by the wind, often becoming a weed and a dominant species on disturbed ground .