就连作为当地人主要收入来源的橡胶树,也因干旱而无法生产乳胶。
Even rubber trees, the local people's main source of income, were so dry that they could no longer produce rubber latex.
但是苜蓿地土壤ph值比棉花连作地的高。
But alfalfa ground soil PH value were higher than cotton ground.
六年试验结果表明:大豆产量轮作高于连作。
The research showed that rotation of soybean gave higher yield that of continuous cultivation in six years.
目的探讨人参连作障碍的内外在因素作用机制。
Objective To discuss the internal and external factors' functional mechanism of ginseng continuous cropping obstacle.
黄瓜是设施栽培的主要蔬菜作物,对连作反应敏感。
Cucumber, as the main protected cultivation vegetable, is sensitive to continuous cropping.
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。
The variation of microflora of rhizospheric and non-rhizospheric soils of soybean following main crops and continuous cropping of soybean.
上吴老师的课,就连作文和归纳大意这样的事情也变得很有趣。
In Mr. Wu's class, even writing and summarizing of those sorts become very interesting.
许多研究表明根系分泌物与植物残体是连作障碍的关键问题之一。
Root exudates and plant remains in soils were concerned as one of the key reasons for these problems in other crops.
轮作、休闲、土壤消毒、选种耐连作或抗病虫品种、无土栽培等。
To rotate, fallow, soil disinfection and select succession cropping-ensuring and pest-resistance species, soilless culture etc.
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。
It was suggested that inoculation of P. chrysosporium had definite effect in overcoming the continuous cropping obstacle of cucumber.
限制温室蔬菜生长的土壤障碍因子是:养分失衡、盐渍化、连作等。
The obstacles of soil environmental to vegetables growth in greenhouse were the soil nutrient out of balance, the soil salinization and culture without rotation etc.
展览在结尾处探讨了福尔摩斯的永恒:甚至连作者想杀死他也未能成功。
The exhibition ends with a look at the immortality of Holmes: Even the author tried, but failed, to kill him.
本研究为合理进行连作大豆锰营养调控,减轻连作障碍提供了科学依据。
The scientific grounds for reasonable regulating Mn nutrition of soybean continuous cropping and alleviating continuous cropping barriers are recommended by the study.
摘要:由于瓜类连作障碍问题越来越突出,蔬菜嫁接技术受到人们的重视。
Abstract: more and more prominent melon cropping obstacles, vegetable grafting technique attention has been paid.
大棚栽培多数是长年连作,密闭条件好,土壤中农药的残留问题就更加明显。
Most of the large canopy culture is done all the year round, the airtight condition is good, the residue question of the agriculture chemical in the soil is more obvious.
采用田间与盆栽试验方法研究了大豆专用复混肥对轮作、连作大豆抗逆性的影响。
Effects of soybean specific fertilizer on adverse resistance of soybean in rotation and soybean continuous cropping were investigated by pot and field plot experiments.
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。
The effects of undecomposable organic materials mixed with biopreparate on the physical and chemical properties of continuous cropping greenhouse soil were studied.
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。
The nitrogen contents and nitrogen forms were studied in albic soil with longterm crop rotation and soybean, maize, wheat continuous cropping.
影响流行因素主要有棚室连作年限,设施栽培黄瓜种植面积,种植模式和栽培措施。
The epidemic factors of cucumber's soil-borne diseases were closely related to continuous cropping years, planting areas, planting models and cultural techniques.
采用盆栽试验,探讨了连作花生土壤养分的变化及对施用有机肥料和无机肥料的反应。
The variation of nutrient in soil of sequential cropping peanut and the response of such soil to organic and chemical fertilizers were investigated through pot culture.
蔬菜设施生产过程中的连作方式致使作物根区土壤微生物区系失衡,引起土传病害的流行。
The heavy soil root disease was caused by the unbalanced soil microflora after continuous vegetable cropping in green house.
将as818菌剂接种于盆栽草莓的根系,分析了AS818菌剂对草莓连作障碍的影响。
The effects of AS818 on replant disease of strawberry were studied through inoculating strawberry with AS818 in pot cultures.
该技术最大特点是将空中焊接横连作业转化为地面作业,能确保施工安全和拱肋拼装质量。
The main features of this technology is that the hanging welding jobs was changed to be done on ground to ensure the construction security and assembling quality.
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。
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.
近年来,科技工作者对大豆连作障碍机理进行了广泛研究,得出的结论不尽一致,尚有争论。
The researches have been extensively studying the barrier mechanism caused by continuous soybean cropping in the past few years. But the conclusions were incompletely consistent with each other.
连作条件下根系分泌物的逐年积累产生的自毒效应,可能就是百合连作障碍产生的重要原因。
Tissue culture methods were used to simulate the allelopathy effect of lily root exudates under sterilized conditions.
连作3年后,取栽培后的土壤,测得的芽孢杆菌属细菌在所有处理中比例最低,为27.23%。
The quantity of Bacillus in replanting 3 years's after mushroom planting was the lowest, and the ratio was 27.23%.
本文通过田间与盆栽对比试验及室内分析相结合的方法,研究了大豆连作胁迫下锰营养的变化特征。
The kinetic characters of Mn nutrition stress caused by continuous cropping soybean were investigated by pot experiment, field experiments and chemical analysis.
本文通过田间与盆栽对比试验及室内分析相结合的方法,研究了大豆连作胁迫下锰营养的变化特征。
The kinetic characters of Mn nutrition stress caused by continuous cropping soybean were investigated by pot experiment, field experiments and chemical analysis.
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