| 共生性广谱生物固氮菌剂在红黄壤水稻上的应用效应研究 |
| |
| 引用本文： | 程旺大,赵国平,姚海根.共生性广谱生物固氮菌剂在红黄壤水稻上的应用效应研究[J].上海交通大学学报(农业科学版),2001,19(4):290-295. |
| |
| 作者姓名： | 程旺大 赵国平 姚海根 |
| |
| 作者单位： | 1. 浙江大学,农学系,
2. 浙江省,嘉兴市农科院, |
| |
| 基金项目： | 国家财政部"财政支农"项目(981004)和浙江省科技厅资助项目(9901 06) |
| |
| 摘 要： | 将共生性广谱生物固氮菌剂G肥应用于红黄壤水稻上,对水稻的一些生理活性、水稻的衰老、土壤肥力变化、稻米品质和产量进行了研究.结果表明,施用G肥能有效地促进水稻生长,稻株出叶速度加快,分蘖速度快,成穗率提高:叶片叶绿素含量提高,根系活力增强,尤其是在灌浆成熟期仍保持较高的叶绿素含量和根系活力,剑叶SOD、POD等保护酶类活性提高、MDA含量降低,对于提高光合速率、争取高产优质是极为有利的.结果还表明,施用G肥与常规栽培比,对稻米品质无明显影响.此外,施用G肥可减少氮肥20%,改善水稻经济性状,提高产量,直接经济效益明显:施用G肥可有效缓解偏施氮肥引起的土壤酸化,提高土壤全氮含量和有机质含量,对红黄壤的可持续开发利用具有重要的意义.
|
| 关 键 词： | 生物固氮菌肥 红黄壤 水稻 肥效 |
| 文章编号： | 1000-193X(2001)04-0290-06 |
| 修稿时间： | 2000年12月12 |
Effect of symbiotic and broad-spectrum N-fixing bacteria on rice grown in red-yellow soil |
| |
| CHENG Wang d,ZHAO Guo ping,YAO Hai gen.Effect of symbiotic and broad-spectrum N-fixing bacteria on rice grown in red-yellow soil[J].Journal of Shanghai Jiaotong University (Agricultural Science),2001,19(4):290-295. |
| |
| Authors: | CHENG Wang d ZHAO Guo ping YAO Hai gen |
| |
| Institution: | CHENG Wang da 1,2,ZHAO Guo ping 1,YAO Hai gen 2 |
| |
| Abstract: | The experiments on symbiotic and broad spectrum N fixing bacteria, called G fertilizer (GF) applying to rice grown in red yellow soil was conducted to determine some physiological traits, senescence , soil fertility and rice quality as well as rice yield for different treatments. The results showed that application of GF obviously affected the growth and development of rice in that the rate of leaf expansion and growth were enhanced, and the number of effective tillers was significantly increased. In addition, the chlorophyll content and the activity of root system in GF applied rice were higher in comparison with the control. During the duration from flowering to grain filling stage, GF treated plants had higher chlorophyll content, and peroxidase (POD) and superoxide dismutase (SOD) activity in flag leaf and lower malondialdehyde (MDA) content, suggesting its positive effect on enlarging assimilate synthesis during milking stage and improving rice quality. The results also showed that at least 20% nitrogen could be saved when GF was applied to rice, meanwhile rice yield and quality were improved. GF application was also beneficial to alleviate the acidification by applying chemical N fertilizer and to increase total N content and organic matter content in soil, in addition, there was no significant difference between Treatment G N and CK2 in most of rice quality indexes. |
| |
| Keywords: | N fixing bacteria red yellow soil rice (Oryza sativa L ) nutrition |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《上海交通大学学报(农业科学版)》浏览原始摘要信息 |
| 点击此处可从《上海交通大学学报(农业科学版)》下载免费的PDF全文 |
|
