Studies on Sugar-Beet Nutrition. 9. Effects of different timing of potassium application on the yield and guality of Sugar beets

von HAYASAKA, Masaki
Veröffentlicht in Tensai Gijutsu Renraku Kenkyūkai Happyō (29. : 1989 : Sapporo) Dai 29kai Tensai Gijutsu Renraku Kenkyūkai Happyō ronbunshū (Heisei gannen) (1990)