| 硫肥对棉花蕾铃脱落及产量的影响 |
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| 引用本文： | 白灯莎·买买提艾力,张士荣,冯固.硫肥对棉花蕾铃脱落及产量的影响[J].核农学报,2006,20(2):159-161,139. |
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| 作者姓名： | 白灯莎·买买提艾力 张士荣 冯固 |
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| 作者单位： | 新疆农业科学院核技术生物技术研究所,新疆,乌鲁木齐,830000;中国农业大学资源与环境学院农业部植物营养学重点实验室,北京,100094;新疆农业科学院核技术生物技术研究所,新疆,乌鲁木齐,830000;中国农业大学资源与环境学院农业部植物营养学重点实验室,北京,100094 |
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| 基金项目： | 中国科学院资助项目;引进国际先进农业科技计划(948计划);新疆科技厅资助项目 |
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| 摘 要： | 本文就硫素与棉花蕾铃脱落和产量的关系进行了研究。试验结果表明,在传统施肥量330kg N/hm2,60kg P/hm2情况下,棉花蕾铃脱落率达70.3%;在增加氮磷肥施用量并补施硫酸钾情况下,棉花蕾铃脱落率为68.5%,说明硫酸钾有效降低了棉花的蕾铃脱落率。在传统施肥量基础上施用硫磺30.0kg/hm2对棉花的蕾铃脱落没有影响,但是增加了棉花单株结铃数、提高了产量。与不施硫相比,施硫使棉花单株结铃数增加14.7%,产量增加了15.7%。上述结果说明,在新疆高产棉田中使用单质硫肥能够进一步增加棉花产量。
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| 关 键 词： | 棉花 硫肥 蕾铃脱落 产量 |
| 文章编号： | 1000-8551（2006）02-159-03 |
| 收稿时间： | 2005-07-05 |
| 修稿时间： | 2005-07-05 |
EFFECT OF SULFUR FERTILIZER ON COTTON(GOSSYPIUM HIRSUTUM L.) FRUIT ABSCISSION RATE AND YIELD |
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| BAI Deng-sha,ZHANG Shi-rong,FENG Gu.EFFECT OF SULFUR FERTILIZER ON COTTON(GOSSYPIUM HIRSUTUM L.) FRUIT ABSCISSION RATE AND YIELD[J].Acta Agriculturae Nucleatae Sinica,2006,20(2):159-161,139. |
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| Authors: | BAI Deng-sha ZHANG Shi-rong FENG Gu |
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| Abstract: | With conventional fertilization rate of 330 kg N/hm~(2),60 kg P/hm~(2),the total rate of fruit abscission was as high as 70.3%,while the abscission rate was declined to 68.5% when more N(391.5kg/hm~(2))and P(90 kg/hm~(2))were applied together with 37.5 kg K/hm~(2) as K_2SO_4.It indicates that potassium application reduced the abscission rate.There were no significant effects of application of conventional rates of N and P fertilizers together with 30.0kg/hm~2 of sulfur on the percentage shedding ratio of square or boll,while the boll number per plant and lint yield were increased by 14.7% and 15.7% respectively compared with no sulfur application.It is suggested that sulfur may be necessary to be applied to high fertility cotton field to increase lint yield. |
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| Keywords: | cotton(Gossypium hirsutum L ) fruit abscission sulfur fertilizer yield |
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