物理化学指标是检测生态系统的非生物环境的指标。
The physical chemical indicators relate to the abiotic environment of an ecosystem.
植物的繁殖物候受生物因子和非生物环境因子的选择，在热带地区表现得非常多样。
Reproductive phenology is determined by the interactions between biotic and abiotic factors and is most diverse in tropical forests.
这里我们可以回想起这样一种情况，即十分相似的非生物环境产生了十分不相似的植物区系。
We may recall here that very similar abiotic environments have given rise to a very dissimilar flora.
植物的生长和发育受到各种生物和非生物的环境影响。
Plant growth and development are largely affected by the availability of water.
植物次生物质是植物对环境的一种适应，是在长期进化过程中植物与生物和非生物因素相互作用的结果。
Plant secondary metabolites is an adaptation of plants to circumstances, and its result of plant interacting with biotic factor and abiotic factor in the permanent evolution.
作物基因表达一方面受到遗传基因的控制，另一方面，环境中的生物与非生物因素对基因表达也起到重要的调节作用。
Heredity is controlled by genes, but their expression is turned on and off throughout life depending upon biotic and abiotic factors in environment.
在有机系统环境中的情况则更为复杂，因为生物和非生物的成岩反应使化学空间增大，就会产生更多类型的化学物。
In environmental organic systems this becomes even more complex as biotic and abiotic diagenetic reaction increase the chemical space and thus chemical diversity.
农药在光诱导下进行的化学转化是重要的非生物转化途径，其过程和产物对农药药效、代谢、毒性及环境影响重大。
Photochemical transformation of pesticides is an important non-biological process, in which the pesticide efficacy, catabolite, toxicity and environmental impact are significantly affected.
土壤盐渍化是影响农业生产和生态环境的主要非生物逆境之一。
Salinization of soil is one of the major abiotic-stress that influences agricultural production and entironment.
生态学专业通过研究环境中生物和非生物网来理解整个生态系统是如何运行的。
Ecology majors study the web of living and nonliving things in an environment to understand how the whole system works.
在长时间尺度上研究环境变化条件下的种群动态，有助于确定不同物种如何对新的生物和非生物条件做出反应。
Population dynamics studies under shifting environmental conditions over a longer time scale can help to determine how different species react to new biotic and abiotic conditions.
土壤盐渍化是影响农业生产和生态环境的主要非生物逆境之一。
Soil salination is one of the major abiotic-stress that influences agricultural production and environment.
高盐、干旱、低温等非生物胁迫是影响作物产量的重要环境因素。
High salt, drought, low temperature and other abiotic stresses are important environmental factors to affect crop yield.
在并不适合植物生长发育的外界环境条件即非生物胁迫下，会影响植物的生长和发育，严重时可造成作物大减产甚至绝收。
Abiotic stress always cause great threat on plant growth and huge yield loss when climate is serious. So its very important to reveal the mechanism of plant resistant or tolerance to salt stress.
干旱、盐害、极端温度、化学毒害和氧化胁迫等非生物胁迫严重影响农业生产，并导致环境退化。
Abiotic stresses, such as drought, salinity, extreme temperatures, chemical toxicity, and oxidative stress, are serious threats to agriculture and result in the deterioration of the environment.
干旱、盐害、极端温度、化学毒害和氧化胁迫等非生物胁迫严重影响农业生产，并导致环境退化。
Abiotic stresses, such as drought, salinity, extreme temperatures, chemical toxicity, and oxidative stress, are serious threats to agriculture and result in the deterioration of the environment.
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