1·A continuous cropping can use 20 years, high yield, high regeneration ability.
一次种植可连续利用20多年，产草量高，再生能力强。
2·The autotoxidity caused by plant survivor and root exudates under continuous cropping of v…
并分析了连作条件下，植物残体和根系分泌物产生的自毒作用。
3·Cucumber, as the main protected cultivation vegetable, is sensitive to continuous cropping.
黄瓜是设施栽培的主要蔬菜作物，对连作反应敏感。
4·Continuous cropping is a method of farming in which fields are not given a fallow period between crops.
连作是指在同一块土地上连续两季以上种植作物而使土地没有休耕期的耕作方式。
5·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。
6·It was suggested that inoculation of P. chrysosporium had definite effect in overcoming the continuous cropping obstacle of cucumber.
表明施入黄孢原毛平革菌剂对黄瓜连作障碍的解除具有一定的效果。
7·The experiment chose 3 medicaments and 3 concentrations by 3 times of irrigating roots to control Gladiolus continuous cropping disease.
试验选用三种药剂，三种浓度在生长期间进行三次灌根处理，防治唐菖蒲重茬病害。
8·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。
9·The nitrogen contents and nitrogen forms were studied in albic soil with longterm crop rotation and soybean, maize, wheat continuous cropping.
对轮作及大豆、玉米、小麦长期连作白浆土中氮含量及有机态氮组分变化进行研究。
10·The results showed that, the continuous cropping orchards had significant microelements deficit, fungus enrichment and catalase decrease in soil.
结果表明，重茬果园土壤微量元素亏缺严重，土壤真菌富集，过氧化氢酶降低；
1·Allelopathic effect of root exudates on pathogenic fungi of root rot in continuous cropping soybean was studied by sand culture, water culture, and indoor culture experiments.
采用砂培、水培和室内培养等试验方法研究了连作大豆根分泌物对根腐病病原菌的化感作用。
2·During recent years, continuous cropping Soybean, lack of soil tillage and lack of effective herbicide for Perennial sowthistle caused Perennial sowthistle rampant.
近年来，由于大豆连作普遍、土壤耕作次数减少且无防除苣荬菜的特效药，导致大豆田苣荬菜的危害日趋严重。
3·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。
4·Cucumber, as the main protected cultivation vegetable, is sensitive to continuous cropping.
黄瓜是设施栽培的主要蔬菜作物，对连作反应敏感。