| 1. | Of the ions mentioned so far, most are of use as plant nutrients .
迄今为止所述及的各种离子，大部分可作为植物养分而被吸收利用。 |
| 2. | Further , fertilizer use should be practiced in integrated plant nutrition system ( ipns )
另外，应在综合植物养分系统中施用肥料。 |
| 3. | Nutrient dynamics in response to harvesting practices in a pine forest of subtropical china
鼎湖山马尾松林植物养分积累动态及其对人为干扰的响应 |
| 4. | Other plant nutrients ( b , zn , mn , etc . ) were satisfied by using multiple micronutrient fertilizer and / or individual basal dressing
其它植物养分（硼、锌、锰等）使用多元微肥和/或分别基施来满足。 |
| 5. | The study of plant nutrition and growth as related to soil condition , especially to determine ways to increase crop yield
农业生物学；土壤生物学关于植物养分和与土壤条件相关的生长的研究，尤其是对判定如何增加农作物产量方法的研究 |
| 6. | Data in table 5 indicate that the loss of plant nutrients in 1994 at the site in laos was the highest under the farmers ' practice , whereas the losses under other treatments were minimal
表5的数据表明，在1994年老挝的试验点植物养分损失以农民习惯措施为最高，而其它处理的损失量很少。 |
| 7. | This and similar results from other sites of the network are mainly because enlarged rooting systems and enhanced soil cover , due to better plant growth on plots supplied with plant nutrients from fertilizers
这一结果和研究网其他地点的类似结果可主要用施肥提供植物养分的小区植物生长较好，使根系扩大以及土壤覆盖增加来解释。 |
| 8. | At the same time , the systematic approach has pointed up many widespread and growing plant nutrient deficiencies such as zn and s in rice and other crops , b in many areas where rapeseed is grown and a host of other site and crop specific nutrient deficiency problems
同时，系统方法揭示出许多普遍存在的和继续发展的植物养分缺乏问题，诸如水稻和其它作物缺锌缺硫，油菜产区大面积缺硼，以及许多地方的作物特有的缺素问题。 |
| 9. | This approach seeks to use various sources of plant nutrients , mineral fertilizers , organic manures , crop residues and biological nitrogen fixation for each farm ' s cropping system and offers the farmers the best opportunity for sustainability while protecting the environment and conserving the resources
这一方法，为每个农场的种植制度寻求利用各种植物养分资源，诸如矿质肥料、有机肥料、作物残体和生物固氮，并且在保护环境和资源的同时，给农民提供更好的持续发展生产的机会。 |
