牛粪和氮磷钾对向日葵生长和产量的影响

Dhaka University Journal of Biological Sciences Pub Date : 2023-02-19 DOI:10.3329/dujbs.v32i1.64193

Md. Alauddin, Mk Rahman, Ahmz Ali

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引用次数: 0

摘要

2015-2016年rabi季，在孟加拉国Bhola Charfasson政府学院研究农场进行了田间试验，评价了牛粪和化肥对向日葵生长和产量的影响。BARI-2 (Keroni-2)。T16(7.5吨CD ha-1 +N120P90K150kg ha-1)的株高(208.4 cm)、叶面积(410.5 cm2)和叶面积指数(12.75)最高。处理T16(7.5吨CD每公顷+N120 p90k150公斤每公顷)的干物质产量最高，即茎(60.67克每公顷)。T15(7.5吨CD ha-1 +N80P60K100kg ha-1)处理的叶片干重最大(25.33g)，根系干重最大(12.83g)。T15(7.5吨CD ha-1 +N80P60K100kg ha-1)处理的种子干重(64.7 g)和百粒干重(9.8 g)最高，T13(5吨CD ha-1 +N120P90K150kg ha-1)处理的种子数(735.7plant-1)和花期直径(52.67 cm)最高。T16单株最高总干物质产量为92.01 g，每公顷产量为5.75吨(CD 7.5吨ha-1+N120P90K150kg ha-1)。结果表明，在孟加拉沿海地区，牛粪与氮磷钾配施能使向日葵在田间条件下获得更好的生长和产量。达卡大学。科学通报32(1):83- 90,2023 (1)

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Growth and yield performance of sunflower (Helianthus annuus L.) as influenced by cow dung and NPK fertilizers

A field experiment was conducted at the research farm of Charfasson Govt. College, Bhola, Bangladesh in rabi season in 2015-2016 to evaluate the effect of cow dung and chemical fertilizers on growth and yield of sunflower cv. BARI-2 (Keroni-2). Highest plant height (208.4 cm), leaf area (410.5 cm2) and leaf area index (12.75) were recorded in T16 (7.5 ton CD ha-1 +N120P90K150kg ha-1). Highest dry matter yield viz. stem (60.67g plant-1) found in treatment T16 (7.5 ton CD ha- 1+N120 P90K150kg ha-1). Maximum dry weight of leaf (25.33g plant-1) and dry weight of root (12.83g plant-1) were found in treatment T15 (7.5 ton CD ha-1 +N80P60K100kg ha-1). Highest dry weight of seed (64.7 g plant-1) and dry wt. of 100 seed (9.8 g) were found in treatment T15 (7.5 ton CD ha-1 +N80P60K100kg ha-1) but the highest number of seed (735.7plant-1) and florescence diameter (52.67 cm) were observed in treatment T13 (5 ton CD ha-1 +N120P90K150kg ha-1). Maximum total dry matter yield per plant was 92.01 g and per hectare was 5.75 ton in T16 (7.5 ton CD ha-1+N120P90K150kg ha-1). Results revealed that the combined application of cow dung and NPK fertilizers produced better growth and yield of sunflower in field condition at the coastal belt of Bangladesh. Dhaka Univ. J. Biol. Sci. 32(1): 83-90, 2023 (January)

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Dhaka University Journal of Biological Sciences

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