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Effects of Corn Residues on Soybean Yield Taiwan Agricultural Research Institute
Chwen-Ming Yang; Ay-Hwa Chang; Chao-Hsing Huang; 楊純明; 張愛華; 黃昭興.
[[abstract]]Field experiments were conducted to determine the corn (Zea mays L. cv. Tainung No.1) residues on the yield of the subsequent soybean (Glycine max (L.) Merr.) crops in 1992-1994. The results suggest that there is a beneficial effect in direct incorporation of corn residues into soil on soybean yield. Pod and grain yields of both Summer and Spring crops were significantly different in varieties and treatments in the study. For Nungyu 7, it showed that pod and grain yields of double amounts of corn residue were in average the highest among treatments in both crops. Pod and grain yields of 1993 were higher than that of 1992 in the summer growing season, but only grain yield of 1994 was superior than that of 1993 in the spring growing season. Grain...
Palavras-chave: Residue; Corn; Soybean; Yield; Environment; Crop season 殘留物; 玉米; 大豆; 產量; 環境; 期作 [[classification]]6.
Ano: 1994
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Effects of shielded spray of paraquat and glyphosate on the growth and yield of corn (Zea mays L.) Taiwan Agricultural Research Institute
Chwen-Ming Yang Fu-Chou Chang Li-Hua Pai; Hsou-Pao Horng; Chien-Hsou Liang; 楊純明; 張富洲; 白麗花; 洪秀寶; 梁千秀.
[[abstract]]Field experiments were conducted in the fall crop of 1990 and the spring crop of 1991 to evaluate growth and yield of corn (Zea mays L. cv. Tainung No.1) in responses to paraquat and glyphosate, with or without shielding, applied at three different times in the vegetative stage. Although weed control was improved, herbicide applications at 2, 4 or 6 weeks after planting (WAP) slightly reduced corn growth and yield relative to those of handweeding treatments, but higher than the weedy check. Without proper shielding, the growth and yield of corn was further decreased due to plant injury. Compared to the shielded ones, plant height and leaf area of unshielded corn plants at the 50% silking were declined more than 10% and 20% by paraquat and 15%...
Palavras-chave: Paraquat; Glyphosate; Corn; Growth; Yield; Application timing; Application method 巴拉刈; 嘉磷塞; 玉米; 生長; 產量; 噴施期; 噴施法 [[classification]]6.
Ano: 1992
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Growth and Reproduction of Maize (Zea mays L. cv. Tainung No. 1) Response to Soil Water Deficits. Ⅰ. Changes of Growth when Strees and Recovery Occurring at the Vegetative Stage in the Controlled Environment Taiwan Agricultural Research Institute
Chwen-Ming Yang; Wei-Min Hsiang; 楊純明; 向為民.
[[abstract]]The growth of maize during soil water deficets and after water recovery in the vegetative stage was investigated for plants grown in pots under controlled -environment conditions. Soil water deticits were imposed by withholding water from daily irrigation and released by rewatering. It was found that plant height was significantly declined when soil water potential reached down to -2.5 bars, but it can be recovered in 4 weeks when water deficits were released at soil water potential as low as -10 bars. Reduced plant height in the recovered plants measured at tasseling was therefore caused by plant height reduction during the stress period, rather than on the recovery. Leaf length, rather than leaf width was decreased by water deficiency, the...
Palavras-chave: Growth; Reproduction; Maize; Soil water deficit; Recovery; Vegetative stage 玉米; 產量; 生長; 土壤缺水; 灌水恢復; 營養生長期 [[classification]]6.
Ano: 1992
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Growth and yield respones of maize (Zea mays L.) to soil water deficits. Ⅱ. Effects of water deficit timing and strength Taiwan Agricultural Research Institute
Chwen-Ming Yang; Ming-Jen Fan; Wei-Min Hsiang; 楊純明; 范明仁; 向為民.
[[abstract]]Water is a major limiting factor on maize production in Taiwan. It is very important, therefore, to study the relations of soil moisture stress and maize (Zea mays L.) yield under local conditions. This field work was conducted on the experimental farm of Taiwan Agricultural Research Insitiute (TART) at Wufeng, Taiwan to evaluate the relative effects of water deficit timing and strength on the growth and yield of maize, cultivar Tainung No. 1. Water stress was imposed by the withholding of irrigation during reproductive growth phase (fall crop 1991) and vegtative growth phase (spring crop 1992), respectively, to cause soil water potentials to the range from − (control) to −10 bars. It was shown that leaf number per plant was not significantly...
Palavras-chave: Growth; Maize; Soil water deficit; Strength; Timing; Yield 生長; 產量; 玉米; 土壤缺水; 缺水時期; 缺水程度 [[classification]]6.
Ano: 1993
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Response of Rice (Oryza Sativa L.) to Short-term High Temperature: Growth, Development, and Yield Taiwan Agricultural Research Institute
Chwen-Ming Yang; James L. Heilman; 楊純明; James L. Heilman.
[[abstract]]Effects of short-term high temperature occurring in the vegetative and the grain-filling stages on growth, development, and yield of rice (Oryza sativa L. cv. Lemont) were studied in the controlled environment. The results showed that an 8-d 35°C treatment at the vegetative stage changed the growing patterns of plant height, total leaf and tiller numbers, and leaf area relative to a 25°C treatment. Plant elongation was reduced for 50 days after treatment. Leaf and tiller production were also restrained, though the tillering rates for the 35°C-treated plants eventually caught up to those for the 25°C-treated ones in about 70 days after treatment. Leaf area expansion was restricted by high temperature; growth of primary leaves 8 to13 was...
Palavras-chave: Rice; High temperature stress; Growth; Development; Yield; Vegetative stage; Grain-filling stage 水稻; 短期高溫; 生長; 發育; 產量; 營養生長期; 穀粒充實期 [[classification]]6.
Ano: 1993
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Yield Loss in No-till Corn Due to Weed Interference and Environmental Impact Taiwan Agricultural Research Institute
Chwen-Ming Yang; Hung-Shung Lu; 楊純明; 盧煌勝.
[[abstract]]Field experiments over 4 years (1991-1994) were conducted at Taiwan Agricultural Research Institute Experimental Farm to evaluate the effects of weed interference and environmental impact on yield loss of corn (Zea mays L. cv. Tainung No.1) under no-till condition. A significant effect was indicated in weeding treatments, environmental impact, and their interaction. Generally yields were reduced by 20% when multiple weed populations were allowed to interfere for 6 and 8 weeks after planting for the fall and the spring crops, respectively. Kernel yields were further reduced to 33 (Fall 1992) and 56% (Spring 1993), respectively, of weed-free plots in a full-season weed interference. Regression analysis showed that there was a linear relationship...
Palavras-chave: Corn; Yield; Weed interference; Environmental impact; Climatic factors; No-till 玉米; 產量; 雜草干擾; 環境效應; 氣象因子; 不整地 [[classification]]6.
Ano: 1994
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加工番石榴整枝方法 Taiwan Agricultural Research Institute
王武彰; Wu-Chang Wang.
[[abstract]]加工番石榴栽培為抑制枝梢過度生長,增進結果及維持較低著果部位,比較三種整枝方法對番石榴果樹及產量之影響。三種整枝方汰為屈株法、開心法、摘心法,並以放任不整枝為對照。植株樹齡分幼年樹及成年樹兩種。經兩年調查結果,三種方法中以屈株法效果最佳。屈株法幼年樹其產量每株平均達 21.43公斤,平均果重為184.07公克,而對照區其產量僅為7.10公斤,平均果重僅111.66公克。成年樹屈株法其每株平均產量高達 70.84公斤,平均果重也達114.37公克;對照區其產量僅66.57公斤,平均呆重因結果數多,果實變小僅達75.23公克,各處理間差異顯著。而屈株法整枝於主幹之新梢上,著果可維持較低部位,操作管理方便。此法也適合生食用品種利用。 In order to inhibit overgrowth of processing guava shoots, enhance fruit production and lower fruit set, 3 kinds of training methods had been used for comparing above characteristics and guava production also observed at same time. Three methods listed as: branch bending method, center open method , pinching method and check (no treat ment). Guava trees growing in the orchard were divided into 2 groups: adult trees (4-5 year old)...
Palavras-chave: 番石榴; 整枝; 中山月拔; 屈株; 開心; 摘心; 結果; 產量; [[classification]]15.
Ano: 1987
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加工番石榴產期調節方法之研究 Taiwan Agricultural Research Institute
王武彰; U.C. Wang.
[[abstract]]本試驗以中山月拔五、六年生植株為供試材料,以尿素(46%)及益收生長素(39.5%)等二種藥劑噴施,二年試驗結果,發現在不同氣候環境下各處理間對促進落葉效果與產量有關。尿素25%試區,落葉率高,枝條損傷嚴重,影響萌芽及產量,而以尿素6.25%處理區較適宜,產量也高,平均落葉率達36.1%,新梢乾枯20.3公分,處理後12─14天即可萌芽,單株產量達39.8公斤,果粒重94.8公克,處理間增產45─51%。品質差異不甚顯著。 In this study, the processing Guava, Five or six years old of Chung Sun Yueh Pa, and two chemicals, 46% Urea and 39.5% Ethrel, were used. The results from two-year experiments revealed that different applicationtimings and chemical concentrat onis were closely related to defoliation and production of processing guava under different climate conditions. New shoots were caused severe defoliation and injury, and productivity was also low when 25% urea was applied. 6.25% urea was the best concentration with 36.1% defoliation and only...
Palavras-chave: 番石榴; 尿素; 益收; 落葉; 產期; 產量; 果實品質 Guava; Urea; Ethel; Defoliation; Harvesting; Period; Productivity; Fruit quality [[classification]]15.
Ano: 1989
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堆肥室內發酵與傳統發酵對洋菇產量之影響 Taiwan Agricultural Research Institute
陳錦桐; 彭金騰; 陳美杏; 簡宣裕; Jin-Tong Chen; Jin-Torng Peng; Meei-Hsing Chen; Shiuan-Yuh Chien.
[[abstract]]比較利用隧道式 (tunnel) 發酵設備室內發酵法與戶外堆積進行第一期高溫發酵 (傳統方法) 所製作之堆肥,在成份、製作時間及對洋菇產量之影響,結果發現,二種方法製作之堆肥在成份上無明顯差異;在堆肥碳氮比 (C/N),室內發酵與傳統發酵堆肥皆為19.0;在堆肥製作時間,室內發酵法只需18 天,而傳統發酵方法則需30 天以上才能製作完成。以此二種堆肥栽培洋菇,結果顯示以室內發酵堆肥栽培洋菇MS 與F4KN 二品系之產量,分別比用傳統發酵堆肥栽培者高出10.8%和29.6% (P < 0.05)。本研究證實堆肥室內發酵法確實可應用在洋菇之栽培,不僅具有 縮短堆肥製作時間,且可生產較高品質之堆肥亦有助於洋菇產量提高。
Palavras-chave: 室內發酵; 堆肥; 洋菇; 產量; Indoor composting; Compost; Agaricus bisporus; Yield; [[classification]]10.
Ano: 2010
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山藥優良品系70W04之選育、栽培與品質研究 Taiwan Agricultural Research Institute
劉新裕; 王昭月; 宋麗梅; 高介志; Sin-Yie Liu; Jau-Yueh Wang; Li-Mei Son; Chieh-Chih Kao.
[[abstract]]山藥優良品系70W04在植物分類上近似於D. alata L.,而山藥臺農1號則具有典型田薯(D. alata L)之特性,二者同屬晚熟型白肉山藥。由三個連續栽培年度及三個不同地點之試驗結果可知,70W04及山藥臺農1號在單株平均塊莖收量、田間成活率及塊莖公頃產量三方面之表現均甚佳且穩定,二者同具有31 t/ha之生產能力,較中熟型白肉山藥品系70W03及早熟型紅肉之70R01為高。由不同海拔之試驗結果可知,較高海拔對中及晚熟型白肉山藥塊莖性狀及產量之影響極大,對70R01之影響則較小,70W04、70W03及山藥臺農1號在800 m羅娜地區之產量分別只為10.9 t/ha、10.1 t/ha及10.4 t/ha,而70R01仍有13.7 t/ha之產量。70W04之生育期為8個月,但在6個月時其塊莖公頃產量即超過21 t/ha,可依市場需要決定採收時期。利用塑膠穴管栽培時,70W04於8個月生長期之產量可達27.6 t/ha,約為一般種植方式之84.4%,但採收極為方便,且塊莖較長,外觀平直光滑,不受傷損,穴管栽培方式極具參考利用價值。70W04塊莖皮薄肉厚,富含蛋白質(13.3%)與澱粉,另具礦物元素P、K、Ca、S、Mg及微量元素Fe、Cu及Zn等成分,此外,其肉質味美、粘度甚高、顏色潔白、且不易褐化,深具食用、加工用及保健價值。 Taxonomically, yam line 70W04 is suggested to be under Dioscorea alata L. although its identification has yet to be determined. It possesses similar botanical characteristics...
Palavras-chave: 山藥; 產量; 品質; 塑膠穴管栽培 Yam (Dioscorea alata L.); Yield; Quality; Plastic-pipe culture [[classification]]6.
Ano: 1993
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楊桃新品系試植觀察試驗 Taiwan Agricultural Research Institute
王武彰; U.C. Wang.
[[abstract]]本試驗供試楊桃新選育品系為鳳山熱帶園藝試驗分所利用現有優良品系混台雜交育種選育而得之優良實生單株62─02,62─03,63─01,64─01等四種並與產地主要栽培品種二林種做比較,於全省四處主要產地試植。所得結果,值株生育方面,種植初期由於不同地區及管理方法而產生生長勢差異,然品系間未達差異顯著。平均果重卻以63─01為最高,達309.0公克至355.0公克,而對照二林種僅達208.7公克至289.2公克。品質仍以63─01為優,其糖度達8.6度,果稔厚為2.5公分,枸櫞酸含量為0.27%,固形物含量僅佔9.23%。果實貯藏後水分消失率十日在5.19%至8.40%,而二林種達7.76%至12.10%,顯示為佳。抗病力也較強,除此之外63─01 其枝條呈軟性,果柄較長平均達4.86公分,果端鈍形,形狀美觀,風味清香,具備優良品系特性,為供試品系中最佳者。具有推廣價值。 The carambola new lines including 62-02, 62-03, 63-01 and 64-01, which had been selected from open pollinated seedlings in Fengshan Tropical Horticultural Experiment Station, TART, were used. The 4 new lines were compared with main cultivated variety´ Er-Lin´ at 4 major carambola production areas. The results indicated that there was no significant difference to...
Palavras-chave: 楊桃; 新品系; 試植; 產量; 品質 [[classification]]15.
Ano: 1988
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水稻期作與地區間產量及產量構成要素之品種間差異 Taiwan Agricultural Research Institute
蔡金川; J.C. Tsai.
[[abstract]]本試驗以秈稉稻各十五個品種為材料,分別於臺北及臺中地區進行兩期作之田間試驗,調查各品種之抽穗期,並於成熟期測定產量與產量構成要素。目的在探討水稻品種於不同期作或地區間,對於產量及產量構成要素之表現狀況,及其品種間之差異,所得試驗資料,可供育種家之參考應用。 由試驗結果得知,秈稉型品種第一期作之產量高於第二期作,臺中大於臺北地區。產量及產量構成要素之期作間或地區間之差異,及品種間差異皆達1%水準的顯著性差異。其他之交感作用大部分亦極顯著。而產量構成要素方面除了千粒重之外,其餘與產量之變異並不一致。 不論期作或地區,表現高產品種為臺農67號(Tainung 67)、臺南5號(Tainan 5)、臺東29號(Taitung 29)、臺中秈10號(Taichung Sen 10)及嘉農秈11號(Chianung SEN 11),而期作性豐收之品種,第一及第二期作分別為臺農62號(Tainung 62)、高雄秈7號(Kaohsiung Sen 7)與豐錦(Toyonishiki)、臺農秈12號(Tainung Sen 12)這些品種大部分屬於穗數型。穗數之環境(期作、地區)間之品種相關係數皆為正相關,表示穗數對不同環境有較穩定性之表現。 Fifteen each of Japonica and Indica rice cultivars were grown under natural conditions in both the 1st and 2nd crop seasons at Taipei and Taichung. Heading data was investigated. Yield and yield component in maturing stage were also...
Palavras-chave: 產量; 產量構成要素; 期作 Yield; Yield component; Crop season [[classification]]8.
Ano: 1993
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由植被高解析反射光譜模式化水稻之產量 Taiwan Agricultural Research Institute
陳榮坤; 楊純明; Rong-Kuen Chen; Chwen-Ming Yang.
[[abstract]]為利用光譜遙測技術具有之非破壞性而即時大面積快速偵測優點,必先瞭解被測物反射光譜特性及其外觀物理徵狀與光譜特徵之關係,同時建立對應之光譜特徵模式,才能據以進行監測而提供被測物的現況資訊。本研究以不等氮肥施用量處理來建構不同植被狀態及產量表現之水稻族群,以探討標準差植被指數(normalized difference vegetation index , NDVI ;或稱正規差植生指數)、葉面積指數(leaf area index , LAI)及產量間的關係,試以利用植被高解析反射光譜模式化水稻的產量。試驗發現水稻全生育期的NDVI 及LAI 在不同年度和期作均呈現凸形曲線分佈,而NDVI 與LAI 之間則呈現指數曲線關係(RZ = 0 . 601 , P < 0 . 0001 ) ,顯示由NDVI 及LAI 相互推估的可行性。又比較抽穗期問量測的LAI 與水稻產量之關係,發現水稻產量可利用抽穗期問的LAI 予以預測,其中一期稻作為抽穗前後15 天之累加LAI 或平均LAI ,二期作則為抽穗前15 天與抽穗後10 天之累加LAI 或平均LAI 。綜合本研究結果,顯示可藉由水稻生育期間光譜遙測資料計算的NDVI 推估當時的LAI ,再以抽穗期間LAI 進行對產量的預測,達到利用光譜遙測技術在追蹤水稻族群生長狀態及預測產量的目的。惟試驗亦發現,由於NDVI 與LAI 的指數關係,限制了在高NDVI 臨界值的使用。 The optical properties of target canopy and the relationships between spectral characteristics and biophysical characters of crop should...
Palavras-chave: 遙測; 標準差植被指數; 葉面積指數; 產量; 模式化 水稻精準農業體系 Remote sensing; Normalized difference vegetation index; Leaf area index; Yield; Modeling Rice Precision Farming System [[classification]]6.
Ano: 2003
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砧木種類對桶柑植株生長、產量與品質的影響 Taiwan Agricultural Research Institute
黃阿賢; 洪士程; A-Shiarn Hwang; Shih-Cheng Hung.
[[abstract]]桶柑嫁接於7種砧木定植於苗栗獅潭,調查砧木種類對植株生長、產量與果實品質的影響。定植後4至5年間有40.0%酸橙砧與5.6%柚砧植株因衰弱而淘汰,第7年檢定萎縮病 (tristeza),結果顯示以酸橙或柚作為砧木的植株為感病,但柚砧者較耐病,其他5 種類包括酸橘、美女橘、粗皮檸檬、Troyer 枳橙及Swingle 枳柚作為桶柑砧木,無論感染與否,外觀均無顯著差異,應屬於耐病或抗病。定植後第5至第10年之產量,Troyer 枳橙砧者最高,其次為美女橘與粗皮檸檬,Swingle枳柚與酸橙又次之,酸橘及柚最低。比較第8 至第10 年間之果實品質,處理間主要差異為,粗皮檸檬砧之果汁率、可溶性固形物含量及含酸量均最低,3年中分別有2年達顯著差異。品質特性之主要項目在其他6種砧木間之差異較小,其高低在各年之間也不一致。 Tankan tangors grafted on seven rootstocks were planted in an orchard located in Miaoli County. The effects of rootstocks on tree growth, yield and fruit quality were investigated. 40% of the trees grafted on sour orange and 5.6% of trees on pummelo declined during the fourth and fifth year after planting. Plants were indexed for tristeza by RT-PCR in the seventh year. The results showed...
Palavras-chave: 桶柑; 砧木; 產量; 果實品質; 萎縮病 Tankan; Rootstock; Yield; Fruit quality; Tristeza [[classification]]30.
Ano: 2010
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著果部位對楊桃產量與品質之影響 Taiwan Agricultural Research Institute
王武彰; Wu-Chang Wang.
[[abstract]]楊桃「臺農一號」經2年調查結果,著果部位可區分為5種,產量以成熟枝最高,平均達52.4公斤,新梢次之,為32.4公斤,主枝最低,僅達0.1公斤,顯示主枝結果最少。平均單果重,以側枝最高,達372.9公克,成熟枝次之,為365.6公克,主枝再次之為320.0公克,新梢僅為279.1公克,但差異不顯著。可溶性固形物含量,以成熟枝及新梢枝高均達7.6%,依次向主枝遞減;果長及斂厚仍以成熟技為最高且厚。由試驗結果顯示楊桃之著果部位宜選擇在亞主枝至成熟枝之範圍為最佳。
Palavras-chave: 結果枝; 產量; 品質 Fruit setting shoot; Yield; Quality [[classification]]34.
Ano: 1994
Registros recuperados: 15
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