1. Conservation Tillage in U.S.Agriculture
Author: / Noel d.uri
Library: Ilam University Central Library (Ilam)
Subject: Conservation tillage-United States
Classification :
S604
.
U7C6
1999
2. Conservation tillage in U. S. agriculture: environmental, economic and policy issues
Author: Uri, Noel D.
Library: (Semnan)
Subject: ، Consercation tillage- Unitedstates
Classification :
S
604
.
U7C6
3. Conservation tillage in U.S. agriculture: environmental, economic, and policy issues
Author: Uri, Noel D.
Library: Central Library of Agricultural (Tehran)
Subject: $BConservation tillage -- United States
Classification :
S
604
.
U75
1999
4. #<The> economic and environmental consequences of nutrient management in agriculture
Author: #Wen-yuan Huang and Noel D. Uri
Library: Central Library of Esfehan University of Technology (Esfahan)
Subject: Nitrogen fertilizers ،Nitrogen fertilizers- Environmental aspects
Classification :
#
S
،#.
H826
