1) the Rice Planting Systems
稻作制度
2) Rape?rice rotation system
油稻轮作制度
3) continuous rice-rice cropping system
稻-稻连作制
4) rice-based cropping system
稻作制
1.
The plot and stationary experiments were conducted to investigate the effects of rice-based cropping system, organic manure and groundwater level on methane emission from rice fields at Hunan Agricultural University.
采用大田小区试验和长期定位模拟试验,研究了稻作制、有机肥、地下水位对稻田甲烷排放的影响。
2.
The effects of 3 rice-based cropping systems,3 application rates of organic manure and 2 groundwater levels on total Mn,available Mn and its chemical fractions of the paddy soil reclaimed from cultivated red soil were studied based on the long-term stationary experiment of Hunan agriculture university.
以湖南农业大学1982年布置的长期定位试验为研究对象,研究了红壤旱地改水田后不同稻作制、地下水深度和有机肥施用量对土壤全锰、有效锰及其化学形态变化的影响。
3.
IN order to find out how the agriculture measures(such as cultivating,fertilizing,irrigating) effect on the organic phosphorus of the paddy soil,we take a long-term stationary experiment to study the effect of rice-based cropping system,organic manure and ground water level on soil organic phosphorus.
为探明耕作,施肥,灌溉等农艺措施对水稻土有机磷状况的影响,研究了在长期定位条件下稻作制,有机肥用量及地下水位对水稻土有机磷含量的影响。
5) rice based cropping system
稻作制
1.
A long term experiment, conducted at Hunan Agricultural University since 1982, was used to evaluate the effects of rice based cropping system, amount of organic manure and groundwater level on distribution of several chemical fractions of Mn in the profile of paddy soil d.
为了探讨红壤性水稻土锰的迁移和转化行为 ,通过长达 1 6a的定位试验研究了不同稻作制、有机肥以及地下水位对土壤剖面中全锰、活性锰和交换态锰分布的影响。
2.
A long term stationary experiment was carried out to study the effect of rice based cropping system ,organic manure and ground water level on soil sulphur.
为探明耕作、施肥、灌溉等农艺措施对水稻土硫素状况的影响 ,研究了在长期定位试验条件下稻作制、有机肥用量及地下水位对水稻土全硫及有效硫含量的影响 。
6) Rice-rice cropping system
稻-稻种植制度
补充资料：稻作病害(rice diseases)
稻作病害(rice diseases)
指真菌、细菌、病毒、线虫侵染水稻致病和非侵染性生理病害。世界上生长在水稻上的微生物约230余种。中国发生的侵染性病害中，已知真菌病约50种、细菌病4种、病毒病8种、线虫病10种。其中稻瘟病广泛分布于世界各稻区，也是中国稻区的重要病害；稻纹枯病各稻区普遍发生，以长江流域为害较大；稻白叶枯病主要分布于亚洲、大洋洲稻区，中国南方稻区发生已有70多年的历史。
1.播种至分蘖期病害：主要有生理性烂秧，绵腐病、立枯病；
2.分蘖至出穗期病害：主要有稻瘟病、白叶枯病和纹枯病；
3.出穗至成熟期病害：主要有稻曲病。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条