-
1
-
2Nitrogen, in relation to food, environment, and energy Nitrogen, in relation to food, environment, and energyby Aldrich, Samuel R.
Published 1980Texto bibliotecaUAAAN MX -
3
-
4Texto bibliotecaUAAAN MX
-
5Suelos Agricolas: Su conservacion y fertilizacion. / Suelos Agricolas: Su conservacion y fertilizacion. /Texto bibliotecaUAAAN MX
-
6
-
7
-
8Texto bibliotecaUAAAN MX
-
9Texto bibliotecaCOLPOS
-
10Texto bibliotecaCOLPOS
-
11by Aldrich, Samuel R. autor, Leng, Earl R. autor, Martínez Tenreiro, Oscar traductor, Leguisamón, Patricia traductor
Published 1974Texto bibliotecaECOSUR -
12by Aldrich, Samuel R. 15307, Leng, Earl R., coaut. 15309, Martínez Tenreiro, Oscar, tr. 15310, Leguisamón, Patricia, tr. 15311
Published 1974Texto bibliotecaCOLPOS