contains 219 terms · This page displays 9 terms, you can enter keywords to query the complete range
Agronomy & Climate钠吸附比钠吸附比比较水中钠与钙镁离子的相对水平，用于评价潜在钠化风险。计算应使用当量浓度，并结合电导率和土壤条件解释。
Sodium adsorption ratio compares sodium with calcium and magnesium to assess sodicity risk. It uses equivalent concentrations and must be interpreted with conductivity and soil conditions.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 交换性钠百分比是土壤交换位点中钠所占的比例，用于描述钠化程度。它不同于灌溉水的钠吸附比，两者关系需经验校准。
Exchangeable sodium percentage is the fraction of soil exchange sites occupied by sodium. It differs from irrigation-water sodium adsorption ratio, and relationships between them require empirical calibration.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 氮矿化把有机氮转为无机形态，为作物提供潜在可利用氮。净释放量取决于微生物固定、温湿度和有机材料性质。
Nitrogen mineralization converts organic nitrogen into inorganic forms that may become available to crops. Net release depends on microbial immobilization, temperature, moisture and organic-material properties.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 硝化作用由微生物将还原态无机氮逐步氧化为亚硝酸盐和硝酸盐。反应受氧气、温度和酸碱条件限制，并可能影响酸化和氮损失。
Nitrification is microbial oxidation of reduced inorganic nitrogen to nitrite and nitrate. Oxygen, temperature and pH constrain the process, which can influence acidification and nitrogen losses.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 根际是受根系分泌物和活动直接影响的土壤区域，具有不同于主体土的化学和微生物环境。范围随物质、过程和尺度而变。
The rhizosphere is soil directly influenced by roots and their exudates, with chemistry and microbial activity distinct from bulk soil. Its extent depends on the substance, process and spatial scale considered.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 菌根是植物根与特定真菌形成的共生结构，可影响养分、水分和碳交换。作用具有宿主和环境依赖性，不能假定所有接种都提高产量。
Mycorrhiza is a symbiotic association between roots and particular fungi that affects nutrient, water and carbon exchange. Benefits depend on host and environment rather than guaranteeing yield gains from inoculation.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 源库关系描述输出同化物的器官与消耗或储存同化物的器官之间的运输和调节。器官角色随生育阶段变化，源强不等于最终收获量。
Source–sink dynamics describes transport and regulation between organs exporting assimilates and organs consuming or storing them. Roles change with development, and source strength alone does not determine harvest.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 库强表示某器官吸引并利用同化物的能力，通常受器官大小和代谢活性共同影响。它是动态概念，不能仅由器官体积确定。
Sink strength describes an organ's capacity to attract and use assimilates, depending on both size and metabolic activity. It changes over time and cannot be inferred solely from physical volume.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
View content license ↗ 蒸散水分生产率以产量或生物量除以实际蒸散耗水量，反映消耗性用水的产出。它不同于以灌溉取水量为分母的指标。
Evapotranspiration water productivity divides yield or biomass by actual evapotranspiration, expressing output per consumptive water use. It differs from metrics using irrigation withdrawals as the denominator.
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SciAtlas original bilingual definition · Edited2026-10-04 · CC BY-SA 4.0. Further-reading links provide context; the definition is original and does not assert that the linked page was retrieved or checked.For concept reference; consult the original standards for authoritative requirements.
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