-
1
-
2
-
3
Characteristics and nutrient status of two degraded upland soils in Samar, Philippines
Gepubliceerd in Annals of Tropical Research (2015)Artikel -
4
-
5
-
6
-
7
Methods of soil analysis.
Gepubliceerd in 2002Available for UP System via Wiley
Electronic Resource -
8
-
9
-
10
Methods of soil analysis
Gepubliceerd in 1996Available for UP System via Wiley Online Library
Electronic Resource


