Yazar
peter m ahn
7 cilt bulundu.
Cilt sonuçları
West African agriculture
Peter M. Ahn · Oxford University Press
332 sayfa · 1969
Agriculture / Cultivated Plants / Field crops / Soils
Transmission electron energy loss spectrometry in materials science and the EELS atlas
Peter Ahn, Channing C. Ahn, Mark M. Disko, Brent Fultz · Wiley
457 sayfa · 2004
Materials / Microscopy / Electron energy loss spectroscopy / Electrons / Spectrometer
Notes on the geology and climate of East Africa in relation to soils and agriculture
Peter M. Ahn · University of Nairobi, Faculty of Agriculture, Dept. of Soil Science
19 sayfa · 1970
Agricultural ecology / Crops and climate / Geology / Physical geography / Soils
The principal areas of remaining original forest in Western Ghana, and their agricultural potential
Peter M. Ahn · Ghana Divisionof Agriculture Soil and Land-Use Survey Branch
Sayfa sayısı yok · 1959
Kategori yok