Yazar
j m thresh
4 cilt bulundu.
Cilt sonuçları
Pests pathogens and vegetation
J. M. Thresh · Pitman Advanced Publishing Program
517 sayfa · 1981
Agricultural pests / Agricultural ecology / Plant diseases / Weeds / Congresses
Epidemiology and Management of Rice Tungro Disease
T. C. Chancellor, J. M. Thresh · Natural Resources Institute
108 sayfa · 1997
Rice, diseases and pests
Hygiene or the Gospel of health
Neville M. Goodman, F. J. Sykes, John C. Thresh, St. John Ambulance Association · publisher not identified
160 sayfa · 1935
Hygiene