黑垆土

黄土高原黑垆土肥力平衡研究

A study on fertility balance of Heilu soil in Loess Plateau

土娄土、黑垆土脲酶活性与时间及土壤缓冲量之间的关系为二元线性回归方程。

The equation among Lou soil and Heilu soil urease activity and time and their buffering values is quadratic linear regression equation .

综合评价施肥对黑垆土剖面的培肥效果，NPM＞M＞PM。

To evaluate comprehensively , the effect that different treat-ments improved soil fertility is NPM > M > PM .

我国年降水量250～450mm的半干旱地区，主要发育有栗钙土、淡黑垆土、黑麻土、黄绵土和灰钙土。

Chestnut soil , light black mature soil , black gunny soil , yellow cotton soil and sierozem are principally developed in semi arid area with 250 ~ 450 mm precipitation .

应用平衡方法对黄褐土、塿土、黑垆土的K-G交换特征及热力学函数进行了初步研究，结果表明：黄褐土对K~+的亲和力相对较小；

Some properties and thermodynamic functions of K-Ca exchanges in several soils were studied by using the equilibrum method . The results showed that Yellow cinnamon soil for affinity of K + was relatively small , while Lou soil and Black lu soil for affinity of K + was greater .

黄土侵蚀地区黑垆土的形成、分布和利用

Formation and distribution laws of the dark loessial soil in the Loess Plateau

陇东和陇中黑垆土的发生与演变

Genesis and evolution of Heilu soils in the middle nd east of Gansu Province

旱地黑垆土剖面酶活性分布特征与生育期变化

Distributions Fluctuations of Enzyme Activities and in Soil Profile During the Growing period of Winter Wheat

黑垆土的形成环境

Genetic environment of dark loessial soil

长期施肥对黄土旱塬黑垆土有机氮和有机碳的影响

Response of Soil Organic Nitrogen Forms and Organic Carbon to Long-term Fertilization in Dry Highland of Loess Plateau

黑垆土长期轮作培肥土壤有机质氧化稳定性的研究

Study of long-term rotation and fertilizations on black loessal soil on the oxidation stability of soil organic matter

施肥对黄土旱塬区黑垆土土壤肥力及硝态氮累积的影响

Effect of fertilization on fertility and nitrate accumulation of black loessial soil of dry land in Loess Plateau

旱塬黑垆土玉米抗旱节水栽培技术研究

Reports of Cultivation Techniques of Drought Resistance & Water-saving of Corn in Dark Loessial Soils on Dry Highland

有机肥对黑垆土养分含量、形态及转化影响的定位研究

The position study on effect of organic manure on soil nutrient content , forms and transformation in Heilu soil

采用盆栽试验，以黑垆土为供试土壤，研究了不同水分条件下施用锌肥对玉米生长及叶片光合色素含量的影响。

An experiment was conducted in greenhouse to study the effects of zinc fertilizer on maize growth and photosynthetic pigments .

黑垆土2007年的土壤速效钾含量较1984年增加0.08-3.36倍。

In comparison with 1984 , the available K content increased by 0.08-3.36-fold of the dark loessial soil in 2007 .

甘肃陇东粘黑垆土区冬小麦土壤水分利用特征

Characteristics of soil moisture in the clay Heilu soil area of eastern Gansu region relating to the water available for winter wheat

黑垆土作为1个独立的土类，在内蒙古自治区南部温带地区分布有其特殊意义。

The HeiLu soil which distrubuted in the southern warm zone of Inner Mongolia Autonomous Region has special significance as an independent soil type .

黑垆土是我国西北黄土侵蚀地区主要的地带性土类，也是一种古老的耕种土壤。

The dark loessial soil ( Heilutu ) is not only a main zonal soil group in the loess plateau of northwestern China , but an ancient cultivated soil .

黄土高原的黑垆土和黄绵土区，山西北部的褐土区、新疆西北部的灌耕土区没有明显变化。

There are no changes in dark loessial soils and loessial soils in the Loess Plateau , Cinnamon soils in Shanxi Province and irrigated silting soils in northeastern Xinjiang .

黄土是在相对冷干气候条件下发育的成熟的灰黄色古土壤，不同地区黄土所属土壤类型主要为灰钙土、栗钙土、棕钙土、棕漠土和黑垆土。

But compared with reddish paleosols , it was formed in dry and cold conditions , so , loess even could serve as an indicator of dry and cold climate .

陇东黑垆土区土壤墒情变化特点及农业生产建议本文用土壤水分动态模拟检验了方法的准确性，其结果令人满意。

Feature of Soil Moisture Transformation and Suggestions of Agro-production in the Region of Dark Loessial Soils in the East of Gansu The method is accurate , convenient and usable for the loessial soils .

张夏黄土、古土壤的堆积、发育与晚更新世气候变化相吻合，同时又受到当地微地貌的影响，缺失黑垆土和全新世堆积。

The accumulation and development of the Zhangxia loess and paleosol accorded with the late Pleistocene climatic change and were also influenced by local microrelief , with black loam and Holocene deposits being absent .

单施磷肥降低了耕层土壤的脲酶活性，与对照相比，黑垆土脲酶活性降低0.5%，沙质黄绵土脲酶活性降低77.78%，其它施肥均显著增加了脲酶活性。

Compared with CK , the dark loessial soil urease activity reduced by 0.5 % , the sandy loess soil urease activity reduced by 77.78 % , other fertilization treatment increased soil urease activity significantly .

结果表明，渭北旱塬质地疏松的黑垆土有利于作物根系的下扎，利用土壤深层储水，也有利于降水的入渗。

It has been indicated that loosen black loessial soil benefited growth of winter wheat roots , which could make use of soil water in deep layers of the soil , and it also benefited infiltration of precipitation .

土娄土、黄绵土、黑垆土脲酶活性变化率与时间及土壤缓冲速率之间的方程为：时间的非线性阻尼振动方程和土壤缓冲速率线性方程的复合形式。

The equation among Lou soil 、 Loess soil and Heilu soil urease activity rate and their buffering rate and time is combination of the two sections , one is nonlinear damped vibration equation for time , the other is linear equation with one unknown for soil buffering rate .

6类土壤TOC含量大小顺序为：褐土黑垆土黄绵土湘黄土风沙土潮土，差异达极显著水平。

The size order of TOC was cinnamon soil dark loessial soil loessial soil xiang yellow soil aeolian sandy soil alluvial soil , and the difference between 6 types of soil was extremely significant level . 2 .