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題名 | 栽植密度與追肥種類及施用次數對矮性菜豆省工栽培之探討 |
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作者 | 黃天成; 溫英源; 胡懋麟; | 書刊名 | 嘉義農專學報 |
卷期 | 43 1995.11[民84.11] |
頁次 | 頁1-9 |
分類號 | 435.291 |
關鍵詞 | 矮性菜豆; 栽植密度; 追肥種類; 省工栽培; Plant density; Post emergency; Labor-saving practice; |
語文 | 中文(Chinese) |
中文摘要 | 二期作水稻收割後之稻田,不整地,施用基肥後撒播菜豆種子,種子分 為三種密度(25粒/m�插B30粒/m�插B35粒/m��),撒播後不覆土,只覆蓋水稻收割 後切割的稻桿,然後灌水,待種子發芽後二星期,即行氮素追肥處理,氮素追肥 處理分成施用氮肥種類(尿素或硫酸銨)及追肥次數(一次或二次)。結果如下: 三種 栽植密度(25粒/m�插B30粒/m�插B35粒/m��)在株高、分枝數、有效莢數、無效莢 數上有顯著差異,栽植密度愈密者株高愈高、分枝數愈少、有效莢數愈少、無效 莢數愈多。在菜豆產量上密度以25粒/m�揪戽ㄥq最顯著,30粒/m�握�35粒/m�晴� 差。在一莢粒數及百粒重土沒有顯著差異。施用尿素或施用硫酸銨做追肥對矮性 菜豆之株高、分枝數、有效莢數、無效莢數、一莢粒數、百粒重及產量均無顯著 差異。追肥施用二次比施用一次可增加株高、莢數及產量,但對分枝數、一莢粒 數及百粒重則無增加效果。 |
英文摘要 | Fertilizer and seed were spreaded on the paddy right after the harvestingof second crop of rice without soil preparation. Seeds were covered withchopped straw, then watered. The densities are 25 seeds/m��, 30 seeds/m�� and35 seeds/m��. After two weeks, urea or ammonia sulfate were applied once ortwice as post emergency treatment. The results shows: Various plant densities result in significant difference on plant height,number of branch,seeded-pod,seedless-pod. The higher density of stand hashigher plant height.and less branch, more seeded-pod, and lesser seedless- pod.The density of 25 seeds /m�� yield most.No significant difference were observedin seeds per pod or hundred-seed weight. There is no significant difference in using urea or ammonia sulfate onplant height.number of branch.seeded-pod, seedless- pod , seed per pod.hundred-seed weight and yield. Two applications of fertilizer as post emergency treatment can increasethe plant height.number of pod.and yield. But no effect on number of branch,seed per pod,and hundred-seed weight. |
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