1) Soil phosphorus activator
土壤磷素活化剂
1.
The result shows ,applying diamine150kg/hm 2 (routine dose)combining with soil phosphorus activator7.
5kg/hm2土壤磷素活化剂,可增稻谷13%左右。
2.
The application of soil phosphorus activator and fertilizer special for potato significantly increased its yield and economic efficiency compared with the routine fertilizers application method.
土壤磷素活化剂与专用肥配合施用及专用肥单独施用 ,与常规施肥比较 ,无论生育状况、产量还是商品性均有所提高 ,其效益增加明显。
3.
Jackson’s inorganic phosphate grade system and olsen way have been used to study the effects of phosphorus activator on ECa-P、O-P and availaboe p fertilizer application rates,Results showed that soil phosphorus activator can improve the content of Fe-P、Al-P、ca-P and the total content of inorganic phosphate,and enhances the transformational capacity of soil available phosphoru
应用盆栽试验以及张守敬和S C Jackson无机磷分级体系和olsen法研究了在不同施磷水平下土壤磷素活化剂对黑土中Fe -P、Al -P、Ca -P、O -P及土壤有效磷的影响 ,结果表明 ,土壤磷素活化剂可提高Fe -P、Al-P、Ca -P和无机磷总量 ,增强转化土壤有效磷能力。
2) Activation inoculant of soil phosphous
土壤磷活化剂
3) soil phosphorus release
土壤磷活化
1.
Effects of low-molecular-weight organic acids on soil phosphorus release
低分子量有机酸对土壤磷活化影响的研究
4) phosphorus activator
磷素活化剂
1.
Effects of phosphorus activator on different type of phosphorus and their validities in black soil;
磷素活化剂对黑土磷形态及有效性影响的研究
2.
Phosphorus activator can effectively improve phosphate utilization efficiency,and decrease the amount of phosphate application,thus the problem in lack of phosphorus resources would be solved to some extent by using the activator.
磷素活化剂能有效的提高磷素利用率,减少磷肥施用量,缓解磷资源不足的矛盾,具有远大的发展前景。
6) soil phosphorus
土壤磷素
1.
Effects of Long-term Fertilization on the Spatial Distribution, Availability and Transformation of Soil Phosphorus in Loess Plateau;
黄土旱塬长期定位施肥对土壤磷素分级、空间分布及有效性的影响
2.
Experiments of field runoff plots,which were conducted at vegetable plots in Hongsheng town of Wuxi city—the typical region of Taihu Basin,were designed to assess the effects of different rainfall intensities on soil phosphorus runoff loss from vegetable plots by artificial rainfall simulations.
以太湖流域典型区域无锡市近郊区鸿声镇的蔬菜地为研究对象,采用人工模拟降雨的方法,通过野外径流小区试验,研究了不同雨强对菜地土壤磷素径流流失的影响。
3.
The effects of different phosphorus levels (0,30,75,150kg/hm2) on characteristics and forms of soil phosphorus loss in runoff by artificial rainfall studied.
结果表明,不同形态磷素随降雨-径流过程的变化趋势基本一致,即初始阶段浓度大且下降速度快,,大约产生径流20min后,浓度下降变得缓慢,直到最后趋于稳定;在整个降雨-径流过程中,颗粒态磷(PP)占总磷(TP)72%~87%,是土壤磷素径流流失的主要形态。
补充资料：土壤磷素吸附和解吸作用
土壤磷素吸附和解吸作用
adsorption and desorption of phosphorus in soil
磷与一OH基或一0H2其过程如下: (1)HZPO不和0H2进行配位交换而被专性吸附。交换即: OH] \/l M} /\lo/0H2曰\OH \/+H:PO一se/\0H2」 O H 十一﹁|l||习OH/\ 《)-P-心 /\OH OHOH M\\/\ O M/\ 0H:」(2)或者HZPO不和OH一交换，即Ho/ M \+HZPO不—一|一| HH/00\/ M/\/ 00H2 片 O 十刁|lwe|10H2\/\ (卜一P-城〕 /\OH OH OH一 /M \ 0H2一 \/ 0 过程(l)并不伴随着溶液的pH值改变，过程(2)可使溶液的pH值上升. 上述两过程的产物，随着时间的延续，都可以变为环状结构: OH+HZO;二二二已 OH一/\ OH:一 MM\/\/ 0+ZH:0/\/\ 0H21，，土城麟素吸附和解吸作用(adsorp‘on anddesorption of Phosphorus in 5011)土壤溶液中的碑酸离子被土城固相所吸持，谓之吸附。其逆向反应谓之解吸.吸附和解吸开始时都是发生在土壤固、液相的界面上.吸附作用可以发生在具有不变电荷土粒的表面(如结晶态的粘土矿物)，也可以发生在可变电荷的土粒表面(如铁铝氧化物、土壤有机质和方解石等物质)上。 碑素吸附土城对碑酸离子的吸附，分为物理吸附(非专性吸附)和化学吸附(专性吸附). 物理吸附当土城溶液的pH值低于土壤吸附剂的等电点时，吸附剂上的一OH墓被质子化: Me一OH+H+一Me一0H2+而后带正电荷的表面因静电引力吸引带负电的磷酸离子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条