The use of slow release nitrogen fertilizers on the roadside of Virginia : a literature review.

Booze-Daniels, Jody N.; Schmidt, Richard Edward.

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The use of slow release nitrogen fertilizers on the roadside of Virginia : a literature review.

1997-10-01
By Booze-Daniels, Jody N. ; Schmidt, Richard Edward.

File Language:

English

Details

Creators:

Booze-Daniels, Jody N. ; Schmidt, Richard Edward.
Corporate Creators:

Virginia Polytechnic Institute and State University. Crop and Soil Environmental Sciences Dept.
Corporate Contributors:

Virginia Transportation Research Council (VTRC)
Subject/TRT Terms:
Resource Type:

Tech Report
Geographical Coverage:

Virginia
Corporate Publisher:

Virginia Polytechnic Institute and State University. Crop and Soil Environmental Sciences Department
Abstract:

Literature reviews are to a scientist what the investigative report is to a crime-beat news ; reporter. The investigation of the topic in question here revealed a vast wealth of information that ; eventually was digested as we dug deeper and deeper into the topic. With this preamble in mind, ; this literature review of slow release fertilizers will take many twists and turns before the full ; story is revealed. ; The element in question, nitrogen (N), is essential for plant growth and animal nutrition ; and is the nutrient taken up in largest amount by all plants. This element's role in the ; environment is complex. Due to biological transformations, N exists in a variety of organic and ; inorganic forms. Nitrate (NO3-) is the major inorganic form of N in most soils and is highly ; water soluble. Due to the fact that it is an anion, it is not attracted or retarded by the negatively ; charged surfaces found in soils, and therefore moves freely with percolating waters. Ammonium ; (NH4÷), also an inorganic form of N, is a cation and is therefore retained by the negatively ; charged soil surfaces. In the soil system, NO 3 and NH4 ÷ are the major ionic forms involved in N ; flux through the complex N-cycle (Figure 1).
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/16549/dot_16549_DS1.pdf
File Type:

[PDF - 3.56 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha256:f8144ec404e2ab0348becbba00222f1a74275f24b1c9a6593d56cb53e5c75382

File Language:

English

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