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http://hdl.handle.net/11455/37026
標題: | 高梁孕穗期浸水後補施氮肥對生長與發育的影響 Effects of nitrogen application after flooding treatment at booting stage on the growth and development of sorghum . |
作者: | 張山蔚 David, S.W.Chang |
關鍵字: | Sorghum;高梁;booting stage;flooging;nitrogen;growth;development;孕穗期;浸水;氮肥;生長;發育 | 出版社: | 農藝學系 | 摘要: | 高梁孕穗期遭受浸水濕害後,植株對氮素吸收利用減少,葉片生理活 性降低,光合產物供源與積儲潛勢降低,乾物質生產減少,減產四分之一 左右。秋作實生高梁遭浸水後補施含每公頃100公斤氮素的硫銨即可恢復產 量,但春作宿根高梁遭浸水後補施含每公頃200公斤氮素的硫銨仍嫌不足。 |
URI: | http://hdl.handle.net/11455/37026 |
Appears in Collections: | 農藝學系 |
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