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A direct approach for estimating nitrogen, phosphorus, and land demands at the regional level
Author(s):
Vroomen, Harry.
,
Larson, Bruce.
,
United States. Dept. of Agriculture. Economic Research Service.
Subject(s):
Fertilizers -- Prices -- United States -- Mathematical models.
,
Fertilizers -- Government policy -- United States.
Format:
vi, 17 p.
Coverage:
United States
Language:
English
Publisher:
U.S. Dept. of Agriculture, Economic Research Service
Series:
Technical bulletin.
Part Of:
Technical bulletin.
File:
Download
[PDF]
Rights:
This item is authored by federal employees as part of their official duties and are therefore non-copyrightable and/or published by the federal government and now in the public domain.