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- Generally,when the content of rapidly available potassium in the soils is more than 30mg k/100g soil or there is a huge amount of plant ash in the manure applied,the efficiency of chemical potassium fertilizers is not so obvious. 一般当土壤速效钾(K)大于30mg/100g±或所施农肥中含有大量草木灰时肥效就不明显。
- In this paper the pot experiment was conducted in order to study the application of the simplex centroid design in the combination of nitrogen,phosphorus and potassium fertilizers. 采用盆栽试验研究了混料设计中的单形重心设计在氮、磷、钾配比上的应用。
- This product combines the active water-soluble humic acid, beneficial bacteria, nitrogen, phosphorus and potassium fertilizers, chelated metal trace elements, have the benefits of bio-enzyme. 本产品集水溶活性腐植酸、有益菌、氮磷钾肥料、螯合金属微量元素、有益生物酶为一体。
- nitrogen and potassium fertilizers 氮钾肥料
- Manufacturing potassium fertilizer, manufacturing porcelain and enamel ware, glass raw material, whet the grain etc. 制造钾肥,制造陶瓷及搪瓷,玻璃原料,磨粒磨具等。
- Response of Tobacco to Potassium Fertilizer and Soil Potassium Change after Planting Tobacco Yellow-Red Soil. 黄红壤上烟草对钾的反应及种烟后土壤钾的变化
- The influence of different levels of potassium fertilization on cole's Ca and Mg absorption was studied in this paper. 就不同的施钾水平对油菜吸收钙、镁的影响进行了研究。
- This distribution can provide a theory basis for potassium fertilizer topdressing. 烟叶在成熟期所累积的钾中,约有60%25以上分配于上部叶。
- Application of potassium fertilizer could effectively control such disease and get higher yield. 施用钾肥能有效控制该症的发生并获得较高产量。
- Based on applying N and P fertilizers,the treatments with potassium fertilizer could increase the yield of mulberry leaf and the absorption of K in mulberry,and the effects of K2 treatments with 148.5kg K2O/hm2 was the highest. 此外;施钾还提高桑树对钾素的吸收利用;以K2处理(148.;5kg K2O/hm2)的施钾效果最好;
- Differences in the requirements of plant species for potassium fertilization are often attributable to the kind and activity of the root system. 各种植物对钾肥的不同需求,常归因于根系的特性和活力。
- As a result, the method of using airslake-coal to produce potassium fertilizer including humic acid was varied with different crops. 因此,在利用风化煤生产含腐植酸钾肥时,应根据作物类型选择工艺路线。
- Lignin from paper-making waste liquor was used as slow-releasing material to potassium fertilizer, which was propitious to resources utilization and environmental protection. 木质素来源于造纸废液,作为钾肥的缓释材料,其资源环保意义重大。
- The results showed that lignin could not only reduce the loss of potassium fertilizer but also promote the growth of tomato and maize, and increased uptake of potassium by crops. 结果表明,木质素不仅可以减少钾肥流失,而且可以促进番茄与玉米生长,提高作物对钾的吸收。
- The application of potassium fertilizer decreased the amylose content, while the content of amylopectin and starch increased, especially for the middle level of potassium. 增施钾肥,面粉中直链淀粉含量下降,而支链淀粉和总淀粉含量显著上升,因此直/支链淀粉含量比例显著下降,但以中钾条件下支链淀粉和总淀粉含量最高。
- This paper explicates the rang of potassium fertilizer 's application,the situation of Sylvite's production,the demand space and the degree of its reliance on imports. 本文介绍了钾肥的应用范围,阐述了我国钾盐的生产情况、需求空间和对进口的依赖程度,重点介绍了我国主要的钾盐资源和泰国、老挞、俄罗斯等周边国家的钾盐资源。
- Nitrates are used as fertilizers in agriculture. 硝酸盐在农业上用作肥料。
- Abstract: This paper explicates the rang of potassium fertilizer 's application, the situation of Sylvite's production, the demand space and the degree of its reliance on imports. 本文介绍了钾肥的应用范围,阐述了我国钾盐的生产情况、需求空间和对进口的依赖程度,重点介绍了我国主要的钾盐资源和泰国、老挞、俄罗斯等周边国家的钾盐资源。
- Crushed bones make one of the best fertilizers. 碎骨是最好的肥料之一。
- Bone-meal and nitrates are common fertilizers. 骨粉和硝酸盐是普通的肥料。