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- SOIL pH OF CONTINUOUS CROPPING SOYBEAN AND SOIL ENZYME ACTIVITY 大豆连作土壤pH与土壤酶活性
- Effect Analysis of Root Growth Promoting Agent on Continuous Cropping and Alternate Cropping Soybean 重迎茬大豆施用促根剂效果分析
- Allelopathic effect of root exudates on pathogenic fungi of root rot in continuous cropping soybean 连作大豆根分泌物对根腐病病原菌的化感作用
- Study on the Mechanism of Soybean Special Complex Fertilizer on Increasing Yield of Crop Rotate and Continuous Cropping Soybean 大豆专用复混肥对轮作、连作大豆增产机理的研究
- Influence of Root Exudations on Pathogenic Fungi Produced by Root Rot and Seed Germination in Continuous Cropping Soybean 连作大豆根分泌物对根腐病病原菌及种子萌发的影响
- Continuous cropping soybean 重茬
- The variation of microflora of rhizospheric and non-rhizospheric soils of soybean following main crops and continuous cropping of soybean. 研究了正茬与连作大豆根际及非根际土壤微生物区系的变化。
- Higher area is projected for Argentina despite increased corn planting as producers increase second crop soybean production and continue to expand plantings on to pasture land. 尽管阿根廷二季大豆产量有所上升,且牧场面积也进一步扩大,但美国农业部仍预计阿根廷的大豆播种面积会上升。
- diagnosis system of soybean continuous cropping 大豆连作障碍诊断系统
- 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。
- 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。
- In related news, oilseeds analysts “Oil World” said it has cut its estimate of Brazil’s old crop soybean harvest gathered in early 2007 and also its forecast for the country’s new crop in 2008. 另据相关消息,名为“油世界”的油籽分析机构表示,它已下调了对巴西老茬大豆(于2007年初收割)产量的预测,另外也下调了对巴西2008年度新茬大豆产量的预测。
- 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。
- 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。
- 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。
- 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。