degeneration chernozem

Eight introduced Festuca species in "Black Soil Type" degraded grassland of Dari county and Maqing county were observed for 3 or 4 years respectively,4 species had excellent cold resistance and adaptability was enhanced with the increase of cultivation time.

在青海省达日县和玛沁县“黑土型”退化草地上引种的羊茅属8种牧草中有4个可安全越冬,抗寒性强,适应性随栽培年限延长而提高。

Restoration and improvement of"black soil beach"degraded meadows in Maqu wetland function area of Yellow River

黄河首曲湿地功能区“黑土滩”退化草甸恢复改良

Effect of undecomposed corn on the physico-chemical properties of chernozem;

玉米残体培肥对黑钙土理化性质的影响

Organo-mineral aggregates in various fractions were isolated from chernozem in Daqing City,Heilongiang by ultrasonic dispersion in water followed by sedimentation.

利用超声分散法提取了黑龙江大庆黑钙土中不同粒级有机-矿质复合体,并测定了其基本理化性质。

For the specific converted lands,the typical soil type-Chernozem was selected as the main research object.

选取青海省大通县脑山区退耕还林地典型土壤类型———黑钙土,进行标准地调查及标准剖面采样,以空间代替时间序列的方式,利用主成分分析(PCA)等多元统计方法来定量化比较不同退耕年限(0,5,10,15,20,25,30 a)的综合土壤质量指数,揭示不同退耕年限土壤质量演变规律。

Discussion on establishing licorice base in chernozem soil area of Heilongjiang province;

黑龙江省黑钙土区开发建设甘草生产基地的初探

A very black topsoil, rich in humus, typical of cool to temperate semiarid regions, such as the grasslands of European Russia.

黑钙土含丰富腐殖质的一种很黑的地表土，产于俄罗斯欧洲部分的草原地区等干旱温凉地带

The optimum proportion of N,P,K for sugar beet was 1:1.6:1 and 18 kg/mu.

在黑土和碳酸盐黑钙土,甜菜适宜的氮磷钾比例为1:1.6:1,用量18公斤/亩.

Effect of Atrazine on Chernozem Soil Microbial Activity in Semiarid Region of Northeast China

阿特拉津对我国东北半干旱区黑钙土微生物活性影响研究

By using plot experiment, the paper studied nutritional effects of N P K fertilizers and the effect on seasonal changes in concentrations of N P K and their distribution patterns on sugarbeet.

研究了淋溶黑钙土土壤施用氮磷钾肥对甜菜体内氮磷钾浓度的变化和分布模式的效应。

The Study of the Mechanism of Black Soil (Chernozem) in North China Agro-pastoral Ecotone;

温带农牧交错带黑（钙）土退化机理研究

A green to brown or black calcium-iron garnet, Ca3Fe2(SiO4)3.

钙铁榴石绿色到棕色或黑色的钙铁榴石Ca3Fe2（SiO4）3

growing or living in soil rich in lime.

生长或生活于钙质土壤。

A soil of semiarid and arid regions that is rich in calcium carbonate and lime.

钙层土半干燥和干燥地区含丰富碳酸钙和氧化钙的土壤

Corrosion Resistance of Black Phosphating Coating of Zn-Ca System at Medium Temperature

中温锌-钙系黑色磷化膜的耐蚀性能

rendzina like brown soil

黑色石灰土状棕色土

Calcium Content of Sichuan Basic and Crop Reponse to Calcium Fertilizer;

四川盆地水稻土钙含量及钙肥效应研究

A native or inhabitant of Hesse.

黑森人土生土长的美国黑森人或黑森的居民

The bentonite of Shangtianti district belongs to Ca-benton it e. Its major mineral is Ca-montmorillonite;

上天梯膨润土属于钙基膨润土 ,主要矿物成分是钙质蒙脱石。

The Study of T-cadherin Gene Expression and Transfection in Malignant Melanoma;

黑素瘤T-钙粘蛋白基因表达及转染研究

Effects of fertilizing calcium on the resistance of grape fruits to Sphaceloma ampelinum

不同补钙方式对葡萄黑痘病抗性的效应

DETERMINATION OF CALCIUM BY CHROME BLUE BLACK R SOLID PARAFFIN MODIFIED CARBON PASTE ELECTRODE

铬蓝黑R固体石蜡修饰碳糊电极测定钙

Effects of Calcium Treatment on Physiological and Biochemical Characteristics of Fraiar Plum Fruit

浸钙对黑宝石李果实生理生化指标的影响