研究鸭子在稻鸭复合生态系统中对蜘蛛及病、虫、草害的影响。
The article studied the influence of ducks in a rice-duck complex ecosystem as well as its natural enemies and diseases, insects, weeds and pests.
稻鸭共作对天敌在稻株中的发生部位和同域性也具有一定的影响。
Rice-duck farming also had definite effects on the occurrence position and spatial domain of main predatory natural enemies on rice plant.
稻鸭共育是一项无须使用除草剂和施用较少农药的低成本生态农业技术。
Rice-duck farming is a low-cost eco-agricultural technique with no herbicides and less insecticides application.
通过农艺措施，稻鸭共作和植物源药剂对有机水稻的病虫草害进行防治研究。
Proper agronomic practices, duck raising in the paddy field and application of phyto pesticides prove to be effective in controlling pest, disease and weeds in the production of organic rice.
结果表明：稻鸭复和生态系统中甲烷排放具有明显的日变化规律和季节变化规律。
The results showed that methane emission had obvious daily and seasonal variation law in rice-duck complex ecosystem.
在利用稻鸭互利共生的关系的基础上，将免耕技术引入稻田生态系统，形成稻田免耕养鸭技术新体系。
Based on the mutualistic symbiosis relationship of rice and duck, jointed with no-tillage technique, the new no-tillage system of raising duck in paddyfield was formed.
[1]沈晓昆。稻鸭共作无公害有机稻米生产新技术[M]。北京：中国农业科学技术出版社，2003。
[SHEN Xiaokun. A New Pollution-Free Rice-Duck Farming Technology [m]. Beijing: China Agricultural Science and Technology Press, 2003.].
主要研究结果如下。1 .湿地稻-鸭复合生态系统甲烷排放规律的研究。
Main results for this study are as follows: 1. The study on methane emission law of wetland rice-duck complex ecosystem.
甲胺磷在稻-鸭复合系统土壤中残留量的研究。
The study on the residual quantity of methamidophos in the soil of rice-duck complex ecosystem of wetland.
通过田间试验对湿地稻-鸭复合生态系统的稻田土壤质量进行了研究。
The quality of paddy soils in a wetland rice-duck complex ecosystem was studied by plot experiments.
湿地稻-鸭复合生态系统土壤氧化还原状况的改善是降低甲烷排放的原因之一。
The improvement of soil oxidation-reduction status of wetland rice-duck complex ecosystem was one of the reasons which resulted in decrease of methane emission.
甲胺磷和乙草胺对稻-鸭复合系统土壤中甲烷细菌数量及其活性影响的研究。
The influence of methamidophos and acetochlor on the amounts and activity of methanogens in the soil of rice-duck complex ecosystem of wetland.
通过田间试验，对稻-鸭-鱼共栖生态系统中水稻纹枯病的发生规律进行了研究并建立了相应的数学模型。
A field experiment was conducted to investigate the development rule of rice sheath blight in rice-duck-fish complex ecosystem. A model was established based on experiment data.
稻—鸭—泥鳅复合生态系统的经济效益、生态效益和社会效益。
The study on ecological, economical and social benefits of rice-duck-loach complex ecosystem.
与常规水稻栽培方式相比，鸭稻共作方式下水稻株高、叶面积指数、生物量有减小的趋势，而且在有效分蘖期和幼穗分化期存在着显著或极显著差异。
Compared with the CRMS, the height, leaf area index and biomass of rice in IRDFS decreased and there was a significant difference during the tillering and heading stage.
鸭稻共作是一种较为典型的稻田生态农业模式。
Rice-duck integrated farming system is one of typical eco-agriculture models in paddy fields.
湿地稻-鸭复和生态系统的土壤理化性状的研究。
The study on soil physical and chemical characteristics of wetland rice-duck complex ecosystem.
湿地稻-鸭复合系统土壤中甲烷细菌数量研究。
The study on the amounts of methanogens in the soil of rice-duck complex ecosystem of wetland.
鸭稻共作方式下水稻根系总长变化无明显规律，根系表面积与常规栽培方式下相比无显著差异。
There was not a significant difference in root surface area of rice by comparing with the control treatment.
湿地稻-鸭复合生态系统直接的经济效益也远高于常规稻田。
What's more, the direct economic benefit of the rice-duck complex ecosystem was higher than that of the conventional paddy fields.
湿地稻-鸭复合生态系统直接的经济效益也远高于常规稻田。
What's more, the direct economic benefit of the rice-duck complex ecosystem was higher than that of the conventional paddy fields.
应用推荐