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- Continuous cropping patterns 连作方式
- This cropping pattern is grown on about 1.5 million hectares in Pakistan. 巴基斯坦约有150万公顷积土地采用这种种植方式。
- Where cropping patterns are concerned, the Soviet Union relies much more heavily on small grains. 至于种植方案,苏联绝大部分是种植麦类。
- Therefore diseases and physiological barrier are the main factors of continuous cropping barrie of watermelon. 因此;生理障碍和病理障碍是构成西瓜连作障碍的主导因素.
- There were significant difference in growth characteristics and productivity in continuous cropping years. 不同连作年限土壤对黄瓜生长特性和产量均有极为显著的影响。
- Dynamic simulation on growth and development of spring corn in different cropping patterns in northern Zhejiang Province. 浙北地区不同种植方式下春玉米生长发育的动态模拟。
- Objective To discuss the internal and external factors' functional mechanism of ginseng continuous cropping obstacle. 目的探讨人参连作障碍的内外在因素作用机制。
- The decline in yields in the period from 1870 to 1900 was due to the rapid decline in fertility under continuous cropping. 休闲、开发更肥沃的地区及使用新品种又使产量增加。
- The cropping pattern should be adjusted, so as to give a higher yield and maintain land productivity. 进行合理轮作,不但能获得高产,而且可保持土壤生产力。
- Results showed that continuous cropping bio-organic manure could improve the anti-adversity and disease resistant, prompt growth, and increase yield. 结果表明:施用“连作”生物有机肥能有效提高白术的抗逆和抗病能力,促进作物生长发育,提高产量。
- Guan G S, Tu N M, Xiao H Q, Xiao C S, Zhu L S.Different of soil nutrition and chemical components in tobacco leaves under different cropping patterns of flue-cured tobacco. 关广晟;屠乃美;肖汉乾;肖春生;朱列书.;不同种植方式植烟土壤养分及烟叶化学成分的差异
- Test results show that the eichhornia crassipe has influences on the time average velocity and Reynolds stress, and different cropping patterns have different influences. 试验结果表明,凤眼莲对各向时均流速和雷诺应力的分布影响明显,且不同种植方式的影响程度也不同。
- JIN Y,Yang Y H,Duan Y Q et al.Influence of continuous cropping on yield and quality of flue-cured tobacco[J].Tobacco Sci.Techn.,2002(1):41-45. [1]晋艳;杨宇虹;段玉琪;等.;烤烟连作对烟叶产量和质量的影响研究初报[J]
- The allelopathic effect of continuous cropping soil of Panax notoginseng was investigated and its mechanism was revealed initially. 摘要探讨三七连作土壤的化感作用,初步揭示三七连作土壤化感作用的机制。
- The soil urease activity and the number of ammonium oxidizing bacteria tend to increase by the continuous cropping years. 随着栽培年限的增加,土壤脲酶活性与氨氧化细菌数量有增大的趋势。
- We see this in a crop pattern where internal order takes your eye away from the disorder or the casualness about. 这可见于农作物耕作所形成的模式中,其内在的秩序让你的目光停留于此,而忽略周遭的无秩序与松散。
- The sclerotium disease was serious when the planting density of the vegetable was too greater and continuous cropping was made in the diseased field. 蔬菜栽植密度过大和病田连作地菌核病发病较重。
- The variation of rhizosphere and non-rhizosphere microbial population was analyzed in response to Rehmannia glutinosa continuous cropping problem. 摘要运用传统平板培养方法及变性梯度凝胶电泳(DGGE)分析法对地黄的连作问题进行了研究。
- More allelochemicals were found in continuous cropping soil than those in alternate cropping.Most allelochemicals in continuous and altern... 重迎茬土壤中的化感物质种类多与大豆根系分泌物、根茬腐解产物、地上部水浸物中的化感物质相同。
- The effects of undecomposable organic materials mixed with biopreparate on the physical and chemical properties of continuous cropping greenhouse soil were studied. 研究了有机物料配合生物菌剂施入塑料大棚连作土壤后,对土壤理化性质的影响。