| 1. | Molybdenum deficiency is found when legumes are grown on acid soils .
在酸性土壤上种植豆科作物时常发现缺钼。 |
| 2. | Sugar-factory lime sludge had a more favorable influence in improving the structure of acid soils than limestone .
糖厂的石灰沉渣，在改良酸性土结构上，要比石灰石粉有更良好的影响。 |
| 3. | Acid soils often contain substantial concentrations of iron and aluminum hydroxides
酸性土壤富含铁和铝的氢氧化物。 |
| 4. | Approximately 20 million ha are presently abandoned to savanna on predominantly poor nutrient status acid soils
到目前为止，约有2000万公顷已弃荒成为热带稀树草原，土壤酸性，养分极少。 |
| 5. | Severe “ whiptail ” condition in field specimen from and acid soil . bare midribs or very narrow residual lamina
甘蓝缺钼“鞭尾症：在田间试验和酸性土壤上有严重的鞭尾症状，中脉突出，狭小的叶片残留。 |
| 6. | Al toxicity is a major limited factor for crop production and quality in acid soil , and it has become the focus of ongoing research in the area of plant stress physiology and genetics
铝毒是酸性土壤影响作物生长的主要原因，已成为植物胁迫生理学与遗传学的重要研究内容。 |
| 7. | In acidic soils , its toxicity is considered to be the most limiting factor for plant productivity . based on an estimate of the world ' s potentially arable land resources , it has been estimated that most of the cultivable area ( 78 . 4 % ) is composed of acid soils
全世界有39 . 5亿hm ~ 2酸性土壤，其中可耕土壤面积为1 . 79亿hm ~ 2 ，如何解决酸性土壤的铝害问题已经是不容忽视的一项重要课题。 |
| 8. | In addition to nutritional factors , the productivity of many acid soils is affected by physical factors that include low water holding capacity （ oxisols , spodosols ） and susceptibility to crusting , erosion and especially compaction （ oxisols , ultisols ）
除了养分因素外，许多酸性土壤的生产力受物理因素的影响，包括持水量低（氧化土，灰化土）和对结壳、侵蚀及特别是压实（氧化土、老成土）敏感。 |
