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Provedor de dados:  Taiwan Agricultural Research Institute
País:  Taiwan
Título:  EFFECT OF SPLIT APPLICATION OF FERTI LIZER ON YIELD, COMPONENTS OF YIELD, AND OTHER AGRONOMIC CHARACTERS OF RICE (V)
肥料分施對水稻產量、產量構成因素、及其他農藝性狀之效果(五)
Autores:  W.L. Chang
張萬來
Data:  1968-03
Ano:  1968
Palavras-chave:  [[classification]]14
Resumo:  [[abstract]]The effect of time of nitrogen application on grain yield, its components, and some agronomic traits of rice evaluated in both crops of 1967 at the Chiayi Agricultural Experiment Station are reported. The application of nitrogen at panicle formation stage did not make itself felt in the first crop, however, it was highly effective in the second crop. The increase of yield appeared to be due largely to the increase in number of grains per panicle and weight of 1,000 grains. Top-dressing of nitrogen at heading stage did not contribute to the incre-ase of grain yield. Time of nitrogen application did not affect heading date, but maturity date was significantly delayed by application of nitrogen at heading stage. The nitrogen applicat-ion at panicle formation stage generally produced larger and heavier panicles. There was also an indication for a tall plant to be associated with a high yielding ability. 本文係報告嘉義農業試驗分所於民國56年承辦全省性水稻肥料分施試驗所得之結果。 在幼穗形成期施用氮肥之效果,對第一期作水稻產量之影響不大,但對第二期作水稻却有明顯之增產效果,其增產原因為每穗粒數與千粒重之增加,在抽穗期施用氮肥未見成效。氮肥分施不影響生育日數,但抽穗期施用氮肥可延遲水稻之成熟期。幼穗形成期施用氮肥,有利於株高,穗長及穗重之發育。
Idioma:  Inglês
Identificador:  [[uri]]http://210.69.150.18:8080//handle/345210000/1064
Relação:  Agricultural Research 17(1): 1-6
農業研究 17(1): 1-6
Formato:  [[extent]]523577 bytes

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