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- It was also found that the nitrogen and phospho... 与主要作物相比,水葫芦对氮与磷素营养的吸收能力较强。
- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
- nitrogen and manure 施肥
- This layer is rich in dissolved nitrogen and nitrides. 它能有效的分解氮和氮化物。
- A good general-purpose gas has about 97% nitrogen and 3% hydrogen. 一种较好的通用气体含大约97%25的氮气和3%25的氢气。
- Two other low-input ways to improve the soil involve using manure or nitrogen and phosphorus as fertilizer. 还有两种低成本的方法可以改善土壤,包括施用粪肥或者氮肥、磷肥。
- Combustion at high temperature causes decomposition to nitrogen and water. 氨在高温下燃烧分解成为氮和水。
- Manure or nitrogen and phosphorus as fertilizer. And the fifth way that the study found may improve sorghum production is to reduce crop tillage. 另外两种低投入的改良土壤方法是用粪肥、氮和磷作为肥料,研究发现的第五种方法是减少作物耕种可以改善高粱的产量。
- For a time weeding and manuring were neglected. 有一段时间,锄草和追肥有所忽略。
- A mixture of decaying organic matter, as from leaves and manure, used to improve soil structure and provide nutrients. 堆肥腐烂有机体的混合物,如树叶或粪便,用来改善土壤结构并增加土壤养分
- Glutamine Supplemented Nutrition Support: Saving Nitrogen and Saving Money? 谷氨酰胺强化的营养支持:是否省氮并节省费用?
- A Research on the Nitrogen and Phosphorus Requirement of Thalassiosira sp. 对氮磷需求量的研究。
- C (73 K), which is sufficient to liquefy air (oxygen, nitrogen and argon). C(73金),这是足够的液化空气(氧气,氮气和氩气)。
- It takes agricultural organic waste materials as its raw material and produces high efficient,clean and multi-purposed fuel,forage and manure. 它以农业有机废弃物为原料,经厌氧消化,生产出高效、洁净、多用途的燃料、饲料和肥料。
- In egg produce peak time Tenebrio Molitor and manure worm are added in the food for feeding chicken, to ensure that the high nutritional needs. 这样就在林场形成了鸡有虫草可吃,树有鸡粪沃土,绿色无公害,鸡虫树共存,蛋虫木双收的格局。
- The MBC of soil phosphorus was decreased while phosphorus desorption rate increased with increasing rate of phosphate fertilizer and manure. 单位量磷肥所增加的土壤易解吸磷随着磷肥用量和土壤磷水平的增加而增大;
- Hydrogen, oxygen, nitrogen and carbon are all important to life on Earth. 氢、氧、氮、碳都对地球上的生物十分重要。
- Its near-continuous use in some hog farms promotes the evolution of tetracycline-resistant strains in the animals' digestive tracts and manure. 在某些养猪场,这种几近持续不断的使用方式,促进了动物消化道及粪堆里抗四环黴素细菌株的演化。
- The technique of deep ploughing and manure accumulation should be empolyed to set up a high effective agroecological system. 实施深耕与培肥土壤技术,建立高效农田生态群落。
- The nitrogen and potassium uptake characters of zhongyou 752 were studied. 摘要对超级稻中优752的氮、钾吸收特性进行了研究。