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頁籤選單縮合
題名 | 長期不整地玉米田夏作田菁與氮肥施用量對食用白玉米鮮穗產量之影響=Effect of the Amount of Nitrogen Application with Sesibania Interseason Cropping in Summer on the Yields of Fresh White Corn Ears under the Long-term Non-tillage Corn Cropping Field |
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作者 | 張茂盛; | 書刊名 | 臺東區農業改良場研究彙報 |
卷期 | 10 1999.06[民88.06] |
頁次 | 頁37-45 |
分類號 | 434.147 |
關鍵詞 | 田菁; 整地; 不整地; 食用白玉米; Sesibania; Tillage; No-tillage; Vegetable white corn; |
語文 | 中文(Chinese) |
中文摘要 | 為探討長期不整地玉米田,於夏季栽培田菁綠肥與氮肥施用量對食用白玉米鮮穗產量之影響,在本場連續10年轉作玉米之稻田進行。試驗地土壤屬片岩及粘板岩混合沖積土、坋質壤土,排水不完全,土壤深度60公分。試驗採裂區設計,整地與否為主區,氮素施用量100,150及200 kg/ha為副區,四重複,小區面積44M�插A行株距70cm × 25cm。玉米殘株及田菁地上部,整地者翻入土壤中而不整地者行表面覆蓋。試驗結果, 84 年夏作田清地上部鮮產量為16.5-20.2 t/ha之間,其N:P�烙�N:K�烙含量約為130:45:141 kg/ha(有葉片以上部份分析之資料換算)。84年秋裡作及85年春作白玉米葉片營養含量,除85年春作不整地N�竣妊B理外均在飼料玉米之適當範圍內,但葉片氮含量均隨著氮素用量之增加而提升。白玉米鮮穗品質方面,84年秋裡作,穗長、穗徑及單穗重均較85年春作為高,但在同期作各處理間並無多大差異。至於在鮮穗產量方面,84年秋裡作,夏季田菁覆蓋之不整地處理比田菁掩埋之整地處理增產7%,產量達到16,059-17,679 kg/ha之間。不論整地與否氮素施用量則以100 kg/ha之處理為合理用量。85 年春作整地與不整地之間差異不大,產量在12,920-13,060 kg/ha之間,遠比84年秋裡作產量為低。氮素施用效果則略與秋裡作不同,整地方面以150 kg/ha為合理用量,而不整地者則以200 kg/ha為合理用量。 |
英文摘要 | The purpose of this study was to find out the reasonable amount of nitrogen application for the yields of fresh white corn ears under the long-term non-tillage cultivation with sesibania interseason cropping in summer on the late fall corn and spring corn crop was carried out at the experimental field since July 1955 to June 1996. The soil is described as belonging to Le according to the Land Capability Classification System. It is a silt loam derived from mixed alluvia of schist and slate, with incomplete drainage, low in CEC a shallow in soil depth of about 60 cm. SPD with four replications, non-tillage and tillage for main plot, and three levels of nitrogen application for subplot were used at this experiment. The result showed that the productions of the above-ground part were 16.5- 20.2 t/ha and their N,P �� O �N and K �� O contents were in 130,45 and 141 kg/ha, respectively. The qualities of the fresh corn ear which including ear length, diameter and weight, and the yields of fresh white corn ears were not significant difference in all treatments on both late fall corn and spring corn crop, they were better in late fall corn than in spring corn. The yields of fresh corn ears in late fall crop from non-tillage with lesbian mulching were 16,056-17,679 kg/ha, increased by 7% as comparison to tillage with lesbian incorporation into the soil in 1995. In nitrogen application which the reasonable amount of nitrogen application was 100 kg N/ha in both tillage and non-tillage. The yields of fresh ears in spring crop regardless of tillage or non-tillage were 12,920-13,060 kg/ha in 1996. The reasonable amount of nitrogen application was 150kg N/ha for tillage, but was 200kg N/ha for non-tillage. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。