您要查找的是不是：
- Reason Analysis and Control Methods of Succession Cropping Obstacle 连作障碍原因分析及防治途径研究
- Succession cropping obstacle 连作障碍
- The Production of Succession Cropping Obstacles and Its Prevention and Cure Steps 作物连作障碍的产生及防治
- successive cropping obstacle 连作障碍
- He ran his farm in the red because of successive crop failure. 因为连续农作物欠收，他经营农庄出现了亏损。
- 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。
- He ran his farm in the red because of successive crop failures. 因为农作物连续欠收，他经营的农庄出现了亏损。
- It is efficient rotation system for overcoming continuous cropping obstacle to use rotation system of cucumber with corn for green manure, black-bean for green manure or planting cowpea. 并提出黄瓜与翻青玉米、豇豆、翻青黑豆轮作是有效预防和克服土壤连作障碍的较佳种植制度。
- He ran his farm in the red because of successive crop failures . 因为农作物连续欠收，他经营的农庄出现了亏损。
- Lack of education is an obstacle of success. 缺乏教育是成功的障碍。
- A lot of research results showed that the main causes of continuous cropping obstacle are accumulation of harmful microbes, salinization of soil, auto-toxicity of vegetable crops etc. 大量的研究表明，引起蔬菜作物连作障碍的主要原因有土壤中有害微生物的积累、土壤的次生盐渍化、蔬菜作物的自毒作用等。
- Principle of agroclimatic similarity and discriminant method of similar degree are introduced, in order to provide climatic bases for successful crop introduction. 介绍了农业气候相似原理以及相似程度判别方法，为农作物合理引种提供气候依据。
- Success and wealth transformed his character. 成功和财富改变了他的性格。
- She has the determination to overcome all the obstacle to success. 她有决心克服通往成功路上的一切障碍。
- Rice is the chief crop in most southern provinces. 稻子是大多数南方省份的主要作物。
- Who is first in succession to the throne? 谁是王位的第一继承人?
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- There are a succession of rainy days here. 这里一连好几天都是雨天。
- 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。
- His success gave her vicarious pleasure. 他的成功给她如同身受的快乐。
