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- calcareous soil amelioration 石灰土改良
- Plants from the high-lime plots grew better on calcareous soil. 高石灰小区的植株在石灰质土上生成较好。
- The desorption kinetics of phosphorus from calcareous soil in China. 磷在土壤中的解吸动力学。
- Strook believed that the synthesis tree to establishes the better soil amelioration system to have the help. 斯特鲁克认为,合成树对建立更好的土壤改良系统有帮助。
- It was showed that rape grown on calcareous soil would depress Mn toxicity due to the teste. 对湖北省的主要旱地土壤种植多茬作物后油菜生产锰毒的原因进行了研究。
- As far as I know, we utilize the ash slag in mant sectors, such as cement production, soil amelioration, road construction, fly ash brick, ect. 据我所知,我们在许多方面进行灰渣利用,如水泥生产、土壤改良、筑路、粉煤灰砖等等。
- It is not practical to use pH 5.5 phosphoric acid or sulfuric acid solutions to acidify calcareous soil. 对于pH较高的石灰性土壤,只用低pH (pH=5.;5)的酸水溶液在短时间内降低土壤pH是不切实际的。
- We should consider that multiple addition or increase concentration of Krilium in field practice may strength the effectiveness of soil amelioration. 同时,野外进行改良应该考虑多次少量施用或增加改良剂浓度的方法来增强改良效果。
- So discussion paid particular emphasis on exploring the theory and practice of soil amelioration of using lime in ancient China. 在长期的生产实践中,已摸索出利用矿物质改良土壤之法,古文献中有零星记载。
- The results showed that the two modifiers both increased the cole yield significantly,but there were differences in soil amelioration effects between them. 结果表明,2种改性剂均可明显增加油菜产量,但对土壤的改良效果存在差别。
- The absence of weathering parent material between soil and rocks makes calcareous soil unstable.Soil erosion at the rock-soil interface is a distinct character. 结果表明:土壤侵蚀,细粒物质减少,表层土壤消失,岩土界面缺少风化母质的过渡层,或者被裸露基岩取代;
- The problem of extracting potential mineralizable N in calcareous soil by boiling KCI and its improvement[J].Acta Univ.Agric.Boreali-occident.,1992,20(1):11-16. KCl煮沸法浸取石灰性土壤可矿化氮存在问题及改进[J].;西北农业大学学报;1992;20(1):11-16
- Several experimentation parameters which for evaluating soil indexes were obtained based on the flat dilatometer test of calcareous soil in shallow water. 利用扁铲侧胀仪对海底浅层钙质土进行原位测试,能够一次获得多个评价土性的试验参数。
- Abstract: The effect of different nitrogen fertilizers on dynamic transformation of phosphorus fertilizer in calcareous soil was studied in indoor incubation experiments. 摘 要: 利用室内土培试验研究了不同氮肥对潮土中磷肥转化的动态影响。
- Yellow soil, purple soil and calcareous soil are the main soil types in Jigong Mountain area in the south in Chongqing and also the representative soil types in Sichuan Basin. 黄壤、紫色土、石灰土是重庆市南面鸡公山的主要土壤,也是四川盆地具有代表性的土类。
- Article 32 The local people's governments at and above the county level may demand units which occupy cultivated land to use the topsoil of the land occupied for use in the newly reclaimed land,poor land or other cultivated land for soil amelioration. 第三十二条 县级以上地方人民政府可以要求占用耕地的单位将所占用耕地耕作层的土壤用于新开垦耕地、劣质地或者其他耕地的土壤改良。
- Article 32 The local people's governments at and above the county level may demand units which occupy cultivated land to use the topsoil of the land occupied for use in the newly reclaimed land, poor land or other cultivated land for soil amelioration. 第三十二条 县级以上地方人民政府可以要求占用耕地的单位将所占用耕地耕作层的土壤用于新开垦耕地、劣质地或者其他耕地的土壤改良。
- The guidelines and technology clues of the soil amelioration were discussed, and the integrated methods in which water conservancies are the first step were considered the available and good methods. 论述了盐渍土改良的指导思想和技术路线,用实例说明了采取以水利为先导的综合措施在改良盐渍土中的重要性。
- The average rates of cadmium release from the calcareous soils decreased as the temperature increased, but for the acid soils, the rates increased. 随温度升高,石灰性土壤镉平均释放速率下降,而酸性土壤镉平均释放速率增加;