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- Tillage free technique for rice and wheat continuous cropping and its effects on soil quality 稻麦双免双套连作方法及其对耕地质量的影响
- Tibetan Weedrace, Yunnan Hulled Wheat, Sichuan White Wheat Complex and Xingjiang Rice Wheat are four special landraces of Triticum aestivum L. which were found, in China. 系统地论述了新疆稻麦、云南铁壳麦、西藏半野生小麦和四川白麦子类型等中国特有小麦种质资源的种类、地理分布,及其起源与演化系统。
- double continuous cropping late rice 双季连作晚稻
- Wheat continued to consolidate over 500' per bushel in Chicago. 本周芝加哥期货市场小麦巩固在500每蒲式耳。
- 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。
- 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。
- We have had the biggest wheat crop ever this year. 今年我们的小麦收获量是有史以来最好的。
- 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]
- Rice is the chief crop in most southern provinces. 稻子是大多数南方省份的主要作物。
- 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 export rice but import wheat. 我们出口稻米,但进口小麦。
- 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。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- 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。
- Rice is the chief crop in this ares. 稻子是这一地区的主要作物。
