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[a] This subgroup of the rosids encompasses 28 families of trees, shrubs, vines and herbaceous perennials and annuals. The roots of many of the species host bacteria that fix nitrogen into compounds the plants can use. [4] [5] The trees of this subgroup dominate many temperate forests. [6]
Louisiana's ecology is in a land area of 51,840 square miles (134,264 km 2); the state is 379 miles (610 km) long and 130 miles (231 km) wide and is located between latitude: 28° 56′ N to 33° 01′ N, and longitude: 88° 49′ W to 94° 03′ W, with a humid subtropical climate (Köppen climate classification Cfa).
CF Industries Holdings, Inc. is an American manufacturer and distributor of agricultural fertilizers, including ammonia, urea, and ammonium nitrate products. The company is based in Northbrook, Illinois, a suburb of Chicago, [3] and was founded in 1946 as the Central Farmers Fertilizer Company.
Louisiana Department of Wildlife and Fisheries, LaSalle Parish School Board, and the U.S. Army Corps of Engineers [7] Elbow Slough Wildlife Management Area Rapides 160 Louisiana Department of Wildlife and Fisheries Elm Hall Wildlife Management Area: Assumption: 2,839 Louisiana Department of Wildlife and Fisheries [8] Esler Field Wildlife ...
Fertilizer trees are used in agroforestry to improve the condition of soils used for farming. As woody legumes, they capture nitrogen from the air and put it in the soil through their roots and falling leaves. [1] They can also bring nutrients from deep in the soil up to the surface for crops with roots that cannot reach that depth. [2]
This is a list of plantations and/or plantation houses in the U.S. state of Louisiana that are National Historic Landmarks, listed on the National Register of Historic Places, listed on a heritage register; or are otherwise significant for their history, their association with significant events or people, or their architecture and design.
Nitrogen fertilizers are made from ammonia (NH 3) produced by the Haber–Bosch process. [28] In this energy-intensive process, natural gas (CH 4) usually supplies the hydrogen, and the nitrogen (N 2) is derived from the air. This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ammonium nitrate (NH 4 NO 3 ...
Nitrate vulnerable zones are designated when the concentration of nitrate in a given area reaches or surpasses 50 NO 3 − mg/L. Regulations include: Reducing the amount of fertilizer applied; Prohibiting application of fertilizer during the winter when runoff is greatest and uptake by plants at a minimum;
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