1) acid garden soils
酸性菜园土
1.
Effect of fertilization on nitrate and nutrient forms of lettuce in acid garden soils;
施肥对酸性菜园土壤莴笋硝酸盐和叶片养分形态的效应
2.
A field experiment was carried out to study the effects of different fertilization treatments on yield, nitrate, amino-N, nitrogen forms (total N, protein N and non-protein N) of lettuce in three acid garden soils.
通过田间小区试验研究了不同施肥对酸性菜园土壤莴笋产量、叶片硝态氮、氨基态氮、全氮、蛋白氮和非蛋白氮含量及其相互关系的影响。
3) calcareous vegetable cultivated soil
石灰性菜园土壤
1.
Differentiation of phosphorus in calcareous vegetable cultivated soil profiles with long-term vegetable cultivation influenced the uptake of other nutrient elements and also output and quality of vetetables.
由于长期种植蔬菜,石灰性菜园土壤中的磷素在剖面中发生了分异,直接影响到其它营养元素的吸收和蔬菜的产量及品质。
4) Vegetable garden soil
菜园土壤
1.
Investigating on the nutrient status and plant nutrient-limiting factors of vegetable garden soils in the suburb of Hangzhou.;
杭州市郊菜园土壤的养分状况及其障碍因子研究
2.
However,if the vegetable garden soil was polluted by only Cu or Zn and by both Cu and Zn,the yield of fresh green Chinese cabbage increased with the increasing application rates of calcium magnesium phosphate and calcareousness.
采用盆栽试验方法,研究了钙镁磷肥和石灰对受Cu、Zn污染的菜园土壤的改良作用。
3.
The simulative soil columns in the laboratory were used to research the movement and transformation of zinc forms in uprightness direction in vegetable garden soils which experenced rainfall of a year.
采用室内模拟降雨淋溶土柱的方法,研究了经过1年降雨的淋溶后,菜园土壤垂直方向上各形态锌的迁移转化规律。
5) garden soil
菜园土
1.
Adsorption and desorption peculiarity of lead in garden soil;
铅在菜园土上吸附、解吸特性研究
2.
Effect of fertilization on nutrient leaching loss in garden soil;
施肥对菜园土壤养分淋溶流失浓度的影响
3.
The study on adsorption and desorption characteristics of Copper and Zinc in garden soil;
两种重金属元素在菜园土中的吸附与解吸特性研究
6) vegetable soil
菜园土
1.
To ascertain phosphate status of vegetable soils in the suburbs of Changsha, the mixed soils of plough layer and profile soils were studied by investigation and analysis.
为探明长沙市郊蔬菜基地菜园土磷素状况及土壤供磷水平,采用野外取样调查和室内分析相结合,对两种主要母质发育的菜园土耕作层和剖面分层样品进行了研究。
2.
The influences of nitrification inhibitor(NI),3,4-dimethylpyrazole phosphate(DMPP),on nutrient-supplying of vegetable soil were studied by performing a 35 days aerobic culture experiment.
采用好气培养法研究了新型硝化抑制剂3,4-二甲基吡唑磷酸盐(DMPP)对菜园土壤养分肥力的影响。
3.
This paper probes into the NH 4 + N, NO 3 - N concentration dynamics on DMPP (3,4 dimethylpyrazole phosphate) in vegetable soils under fertilized condition with aerobic cultivation.
为进一步完善蔬菜硝酸盐污染的调控技术体系 ,采用好气培养法研究了新型硝化抑制剂 3,4 -二甲基吡唑磷酸盐 ( DMPP)对菜园土壤 NH4 +- N,NO3- - N含量的影响 。
补充资料:酸性白土
Al2O3·4Si02·nH2O
颜色很久一般有淡黄色、绿白色、灰色、檄榄色、褐色、奶白色、桃红色、蓝色等。纯白色的很少。密度2.7-2.9g/cm3。视密度由于多孔性关系而常常较低。化学成分和普通粘土差不多,主要化学成分是三氧化二铝、二氧化硅、水及少量铁、镁、钙等。无可塑性,有较高吸附性。因含大量含水硅酸,对石蕊呈酸性。水中易裂解,含水量很大。一般细度越细则脱色力越高。
应用领城 主要用作铸造的型砂辅料,玻璃原料,溶剂回收的净沈剂,矿物油、动物油、植物油等油脂的净化剂。利用其吸附性质,还可加工成机械车间等使用的地板板树,以防油渗、防滑等。
颜色很久一般有淡黄色、绿白色、灰色、檄榄色、褐色、奶白色、桃红色、蓝色等。纯白色的很少。密度2.7-2.9g/cm3。视密度由于多孔性关系而常常较低。化学成分和普通粘土差不多,主要化学成分是三氧化二铝、二氧化硅、水及少量铁、镁、钙等。无可塑性,有较高吸附性。因含大量含水硅酸,对石蕊呈酸性。水中易裂解,含水量很大。一般细度越细则脱色力越高。
应用领城 主要用作铸造的型砂辅料,玻璃原料,溶剂回收的净沈剂,矿物油、动物油、植物油等油脂的净化剂。利用其吸附性质,还可加工成机械车间等使用的地板板树,以防油渗、防滑等。
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