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At the top end of the range, napier grasses have been shown to yield up to 80 dry tonnes per hectare per year, [12] [13] [14] and commercial napier grass developers advertise yields of roughly 100 dry tonnes per hectare per year, provided there is an adequate amount of rain or irrigation available (100 mm per month).
The primary focus is on plants, but they will sometimes also house waterfowl, or ornamental fish, in which case it may be called a fish pond. They vary enormously in size and style. Water gardening is gardening that is concerned with growing plants adapted to lakes, rivers and ponds, often specifically to their shallow margins. Although water ...
Plant density is the number of individual plants present per unit of ground area. It is most easily interpreted in the case of monospecific stands, where all plants belong to the same species and have germinated at the same time. However, it could also indicate the number of individual plants found at a given location.
Riparian zones are also important for the fish that live within rivers, such as brook and charr. [28] Impacts on riparian zones can affect fish, and restoration is not always sufficient to recover fish populations. [29] [30] They provide native landscape irrigation by extending seasonal or perennial flows of water. [31]
A seed rate of about 100 kg of seed per hectare (2 bushels per acre) is typical, though rates vary considerably depending on crop species, soil conditions, and farmer's preference. Excessive rates can cause the crop to lodge, while too thin a rate will result in poor utilisation of the land, competition with weeds and a reduction in the yield .
Social Security is the U.S. government's biggest program; as of June 30, 2024, about 67.9 million people, or one in five Americans, collected Social Security benefits. This year, we're seeing a...
PHOTO: President-elect Donald Trump, Tesla CEO Elon Musk and Vice President-elect JD Vance attend the 125th Army-Navy football game at Northwest Stadium on Dec. 14, 2024, in Landover, Maryland.
Plants also exhibit uniform distributions, like the creosote bushes in the southwestern region of the United States. Salvia leucophylla is a species in California that naturally grows in uniform spacing. This flower releases chemicals called terpenes which inhibit the growth of other plants around it and results in uniform distribution. [18]