1) outlet qualitative standards/paddy-upland rotation rotation
排放标准/水旱轮作
2) paddy rice-upland crop rotation
水旱轮作
1.
Nutrient management strategy of paddy rice-upland crop rotation system;
水旱轮作系统作物养分管理策略
2.
The current status of nutrient management and strategy in paddy rice-upland crop rotation in southwest China;
西南地区水旱轮作系统养分管理存在问题分析与管理策略建议
3) rice/wheat rotation
水旱轮作
1.
Through fieldwork,investigated the effects of long-term natural no-tillage on soil physiochemical properties in rice/wheat rotation systems from different years no-tillage soil,the results showed that: under rice/wheat rotation systems,long-term no-tillage of mulching with straws had some effects on soil physiochemical properties.
通过实地调查,采集不同免耕年限土壤进行对比分析,研究了水旱轮作条件下长期自然免耕对土壤理化性质的影响。
4) rice-wheat/rape rotation
水-旱轮作
5) Rice-wheat rotation
水旱轮作
1.
Mn-deficient soil of rice-wheat rotation,the relationship between root extension and the tolerance of wheat and oilseed rape to Mn deficiency was studied by a method of field ny- lon-net which could limit root extension.
在水旱轮作的缺锰土壤上,采用耐缺锰能力具有明显差异的两个小麦品种和两个油菜品系,通过限制植株根系下扎的田间网袋试验方法研究了根系伸展范围与小麦、油菜耐缺锰能力的关系。
6) rice-xerophyte rotation
水旱轮作
1.
,are among the obstructive factors of gleyed paddy soil, and rice-xerophyte rotation is one of the efficient measures for its improvement.
潜育化水稻土存在渍、冷、烂、闭（气）、毒及缺素等障碍因素，采取水旱轮作是改良利用潜育化水稻土极其重要的措施。
2.
The field-project construction of the modern rice-xerophyte rotation is regarded as an important means to ensure the food safe.
发达国家把水旱轮作区田间工程建设作为食物安全保障的重点，中国属于发展中国家，随着经营体制的改革，更应注重水旱轮作区田间工程建设。
补充资料：水旱
1.水涝与干旱。
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