秧苗浸种和叶面喷施纳米 Dap 对水稻生长、产量和经济效益的影响

IF 0.4 4区生物学 Q4 PLANT SCIENCES

Bangladesh Journal of Botany Pub Date : 2023-12-31 DOI:10.3329/bjb.v52i4.70589

Meenakshi Attri, Neetu Sharma, Swati Mehta, Joysamuel Mecarty

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引用次数: 0

摘要

进行了一项田间试验，以评估秧苗浸种和叶面喷施磷肥对水稻生长、产量和经济效益的影响。实验结果表明，75% 的氮磷推荐量和 100% 的钾推荐量 + 5 毫升/升的纳米磷酸二铵浸种 + 4 毫升/升的纳米磷酸二铵叶面喷施能显著提高生长、产量和产量属性、在统计学上，这与 50%的推荐氮、磷 +100% 的推荐钾 + 5 毫升/升的纳米磷酸二铵苗期处理 + 4 毫升/升和 2 毫升/升的纳米磷酸二铵叶面喷施以及 100%的推荐氮、磷和钾相当。然而，50%的氮、磷推荐量+100%的钾推荐量+纳米磷酸二铵（5 毫升/升）苗期处理+纳米磷酸二铵（4 毫升/升）2 次叶面喷施的农业生理效率明显最高。然而，就经济效益而言，75% 的氮磷推荐量和 100% 的钾推荐量 + 5 毫升/升的纳米磷酸二铵浸种 + 4 毫升/升的纳米磷酸二铵叶面喷施，都能获得最高的净收益和效益成本比。孟加拉国植物学报52(4):1025-1031，2023 年（12 月）

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Effects of seedling dipping and foliar application of nano dap on growth, yield and economics of fine rice

A field experiment was conducted to assess the effect of seedling dipping and foliar application of phosphorus on growth, yield and economics of fine rice. The experimental results revealed that 75% recommended nitrogen, phosphorus and 100% recommended potassium + seedling dipping with nano di-ammonium phosphate @ 5 ml/litre + foliar spray with nano di-ammonium phosphate @ 4 ml/litre application recorded significantly higher growth, yield and yield attributes, which was statistically at par with, 50% recommended nitrogen, phosphorus +100% recommended potassium + seedling treatment with nano di-ammonium phosphate @ 5 ml/litre+ 2 foliar spray with nano di-ammonium phosphate each @ 4 ml/litre and @ 2 ml/litre and 100% recommended nitrogen, phosphorus and potassium. However, 50% recommended nitrogen, phosphorus +100% recommended potassium + seedling treatment with nano di-ammonium phosphate @ 5 ml/litre+ 2 foliar spray with nano nano di-ammonium phosphate each @ 4 ml/litre recorded significantly highest agro physiological efficiency. However, in terms of economics 75% recommended nitrogen, phosphorus and 100% recommended potassium + seedling dipping with nano di-ammonium phosphate @ 5 ml/litre + foliar spray with nano nano di-ammonium phosphate @ 4 ml/litre recorded highest net returns and benefit cost ratio. Bangladesh J. Bot. 52(4): 1025-1031, 2023 (December)

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来源期刊

Bangladesh Journal of Botany 生物-植物科学

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Bangladesh in situated on the north of Bay of Bengal. Climatically it is a humid subtropical country. Most of the land is deltaic plain of two great rivers, the Ganges and the Bhrammaputra and it tributaries. The country has rich diversity of plants. Main crops cultivated are Rice, Jute, Wheat, Maize, Sugarcane, Mustard and different kinds of Lentils. There are a good number of Public and Private Universities and Plant Research Establishments. Bangladesh Journal of Botany is the official organ of the Bangladesh Botanical Society established in 1972. Since 1972 Bangladesh Journal of Botany is being published regularly. Two issues of the Journal are published, one in June and another in December. Scientific papers (Full paper and short communication) on any field of Plant Sciences from anywhere in the World are considered for publication in Bangladesh Journal of Botany.