Assessment of Nitrogn Fertilzer Reguiement for Sugar Beet in Shari-Abashiri District. 1. The optimal amount of nitrogen uptake for sugar beets and the absorption percentage of fert...

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

Assessment of Nitrogen Ferilizer Reguuirement for Sugar Beets in Shari-Abashiri District. 3. Nitrogen uptake characteristics in sugar beet varieties

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

Assessment of Nitrogen Ferilizer Reguirement for Sugar Beets in Shari-Abashiri District. 2. Estimation of available soil nitvogen

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

Assessment of Nitrogen Ferilizer Reguuirement for Sugar Beets in Shari-Abashiri District. 4. Relationship between total amount of nitrogen uptake and amino-N substances in roots

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