| 陈连珠，杨小锋，黄小燕，张雪彬，白大娟，柯用春.不同施氮量对黄秋葵生长、产量及品质的影响[J].广东农业科学,2016,43(5):77-81 |
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不同施氮量对黄秋葵生长、产量及品质的影响 |
| Effects of different nitrogen levels on the growth，yield and quality of okra |
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| DOI：10.16768/j.issn.1004-874X.2016.05.015 |
| 中文关键词: 黄秋葵 氮肥 生长 产量 品质 |
| 英文关键词: |
| 基金项目: |
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| 摘要点击次数: 1681 |
| 全文下载次数: 1040 |
| 中文摘要: |
| 为确定黄秋葵生产中氮肥适宜施用量，通过田间试验研究了施氮量对黄秋葵生长、产量、品质及氮肥农学效率的影响。结果表明，随着施氮量的增加，黄秋葵株高、茎粗和叶数先增加后下降。施氮量低于150 kg/hm2 时，黄秋葵产量和单株结果数随着氮肥的增加而增加，进一步增加氮肥，产量和结果数均有所下降。适量施用氮肥可以提高黄秋葵可溶性蛋白、可溶性糖和Vc 等含量。黄秋葵植株全氮含量随着施氮量的增加先增后降，植株全磷含量随着施氮量的增加不断降低，在施氮量150 kg/hm2 时氮肥农学效率最高。 |
| 英文摘要: |
| A field experiment was conducted to study the effects of nitrogen（N） application on the growth，yield，quality of okra and the agronomic efficiency of N. The results showed that the plant height， stem diameter and
leaf number increased first and then decreased with the increase of N application level. The yield and number of fruit
of per plant increased with the increase of N application level when it was less than 150 kg/hm2，but would decrease
if N application further increased. Appropriate N application could significantly increase the soluble protein，soluble
sugar and Vc content. With the increase of N application level，the nitrogen content of plant first increased and then
decreased，while the phosphorus content decreased continuously. Agronomic efficiency of applied N was the highest
when the N application was 150 kg/hm2. |
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