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the black soil
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  东北黑土区
     Analysis of the Changing Characteristics of the Soil Fertilities in the Black Soil Area of Northeast China
     东北黑土区土壤肥力变化特征的分析
短句来源
     Characteristics of Soil Temperature Dynamics in the Black Soil Area of Northeast China
     东北黑土区土壤温度变化特征
短句来源
     A typical rolling farmland in the Black Soil region of Northeast China was selected in a case study to analyze impact of soil erosion and deposition on the loss,transportation and accumulation of soil organic carbon(SOC) in topsoil by measuring particulate organic carbon(POC),composition of water stable aggregates of different sizes and contents of associated carbon in different slope positions.
     以东北黑土区典型漫岗坡耕地为研究对象,测定不同侵蚀程度地形部位表层土壤不同粒级有机碳、水稳性团聚体及其结合碳含量,探讨土壤侵蚀和沉积作用对表层土壤有机碳(SOC)损失、迁移和累积的影响。
短句来源
     The black soil region in northeast China has become one of the most important regions for cereal grain production, while soil degradation is increasingly serious with the gradual reclamation of black soil resource.
     东北黑土区是我国重要的商品粮生产基地,但随着黑土资源的不断开垦,土壤退化问题日益加剧。
短句来源
     The concept and significance of the soil loss tolerance has been reviewed firstly,and then the shortcoming of the loss tolerance criteria being used in the black soil region of northeast China has been pointed out.
     在明确土壤容许流失量概念与意义的基础上,指出了我国东北黑土区现行的土壤容许流失量标准存在的不足。
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  “the black soil”译为未确定词的双语例句
     In terms of content in the black soil,the various forms of in-organic P were in the order of Fe-P>Ca_(10)-P>Al-P>Ca_(8)-P>Ca_(2)-P>O-P.
     黑土各形态无机磷的含量大小顺序为:Fe-P>Ca10-P>Al-P>Ca8-P>Ca2-P>Oc-P。
短句来源
     P application did increase the content of Fe-P in the black soil,but did not the content of Ca_(10)P.
     施磷肥能增加黑土Fe-P含量,却未能增加Ca10-P含量。
短句来源
     The N5 P8 K5 in the black soil and black calcareous soil. The root yielp increased about 35.2% than check in plot,the sugar content increased 0.82%,sugar yield increased about 42.7%.
     N_5P_8K_5小区根产量比对照增加35.2%,含糖增加0.82度,产糖量增加42.7%;
短句来源
     3) It was studied the black soil and alluvial soil aerate rate under different soil moisture content of 9.84%, 13.84%, 17.84%, 21.84%, 25.84%, 29.84% as well as different bulk density conditions.
     3)通过对容重为1.1g/cm~3,1.2g/cm~3,1.3g/cm~3土壤在动态水分9.84%、13.84%、17.84%,21.84%、25.84%和29.84%条件下黑土和冲积土通气率的测定,研究容重和水分条件对黑土和冲积土通气率的影响。
短句来源
     The Geochemical Environment Quality Evaluation on the Black Soil Region Based on GIS
     基于GIS的黑土区环境地球化学质量评价
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  相似匹配句对
     Black,M.
     Black,M.
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     Black, M.Scholes and R.
     Black,M.
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     the Black Dahlia
     黑色大丽花
短句来源
     The City in Black
     图底城市
短句来源
     M,soil nutrition.
     二等{NP,NPZnK,M};
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  the black soil
Responses of photosynthetic rates and yield/quality of main crops to irrigation and manure application in the black soil area of
      
Plant residue on the soil surface increased the reflected light over the black soil and decreased it over the light-colored soils.
      
Flooding treatment enhanced the uptake of all these fission products by rice plants in the laterite soil whereas this effect was observed only for125Sb and137Cs in the black soil.
      
In contrast, the uptake of144Ce and137Cs was greater in the laterite than in the black soil.
      
Results indicated greater uptake of106Ru and125Sb from the black soil than from the laterite.
      
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Pot culture experiments were carried out on the black soil from Harbin and the paichiang soil from Hwachuan Hsien,both of Heilungkiang Province.Application of superphosphate alone increased the yield of wheat in the paichiang soil but not in the black soil.Combined application of nitrogenous and phosphatic fertilizers increased the yield of wheat in both soils. Uptakes of phosphorus by wheat at various stages of plant growth were examined by tracing technique.In the black soil,addition...

Pot culture experiments were carried out on the black soil from Harbin and the paichiang soil from Hwachuan Hsien,both of Heilungkiang Province.Application of superphosphate alone increased the yield of wheat in the paichiang soil but not in the black soil.Combined application of nitrogenous and phosphatic fertilizers increased the yield of wheat in both soils. Uptakes of phosphorus by wheat at various stages of plant growth were examined by tracing technique.In the black soil,addition of ammonium sulphate encouraged the uptake of soil phosphorus by plant,while in the paichiang soil the main supply of phos- phorus to plant was from superphosphate.

1.盆栽条件下黑土单施磷肥使小麦减产8.69—15.51%。磷肥和氮肥配合施用可提高磷肥肥效,小麦产量增加了184.44—314.58%。单施氮肥增产224.37—289.54%。白浆土单施磷肥可使小麦增产7.95—38.25%。单施氮肥增产149.83—160.26%,而磷肥与氮肥配合施用增产达176.85—429.91%。2.小麦产量的提高与植株总磷量,特别是与吸收肥料磷量占全磷的比例有密切关系,植株中肥料磷增加,产量亦相应提高。黑土中有效磷合量为7.83—13.11毫克/100克土;白浆土为1.46—4.99毫克/100克土。因此,黑土上小麦吸收土壤磷素较多,肥料磷较少;白浆土上则相反。3.小麦植株含氮量随着含磷量而相应提高。黑土氮磷配合施用,可使小麦对肥料磷利用率提高4.45—21.48%,土壤磷利用率提高1.61—4.99%。白浆土氮磷配合施用,肥料磷利用率提高17.69—28.89%,土壤磷利用率提高0.74—1.02%。

The water regime in cultivated black soils are not only influenced by the climatic factors, but also by the crops. In the black soils under different crops, there were obvious difference in the levels of soil humidity and the residual water in soils after harvest of crops. In wheat fields, an high evapotranspiration intensity with a peak which happened earlier and a maximum annual rate of evapotranspiration were found. But in fields of intertilled crops such as soybean and corn,...

The water regime in cultivated black soils are not only influenced by the climatic factors, but also by the crops. In the black soils under different crops, there were obvious difference in the levels of soil humidity and the residual water in soils after harvest of crops. In wheat fields, an high evapotranspiration intensity with a peak which happened earlier and a maximum annual rate of evapotranspiration were found. But in fields of intertilled crops such as soybean and corn, the evapotranspiration intensity was lower, the evapotranspiration peak came later and the annual rate of evapotranspiration was smaller. In the same year, soil humidity in wheat fields was lower than that in soybean and corn fields, and the residual soil water in wheat field after harvest was the smallest.

田间观测比较证实:耕地黑土的水分状况和农田水分循环过程不仅受气候因素所控制,同时也明显受作物种类不同所影响。因此,不同作物下黑土农田的水分状况,表现在土壤湿度水平、各水分时期出现时间、作物收获后残留土壤中的水量等方面均有明显区别。小麦地蒸发强度大,蒸发高峰出现早且具有最大的年总蒸发量;大豆、玉米等中耕作物蒸发强度弱,蒸发高峰出现晚且具有较小的年总蒸发量。因此,在同一年里小麦地土壤湿度通常要比大豆、玉米地低,残留在土壤中的水分因而也最少。

The experiment had been conducted in Keshan Agricultural Research Institute and the ten-thousand mu soybean experimental base which located in the Beilian People's Commune, Keshan County from 1979 to 1983. The experimental feild is on hilly land. The black soil in the experimental feild contains more than 4% organic matter The soybean cultivar used in the experiment was high-yield and 5-7 days earlier mature before local frost-free period. The full stand of seedlings kept in a hectare was 350-400 thousand....

The experiment had been conducted in Keshan Agricultural Research Institute and the ten-thousand mu soybean experimental base which located in the Beilian People's Commune, Keshan County from 1979 to 1983. The experimental feild is on hilly land. The black soil in the experimental feild contains more than 4% organic matter The soybean cultivar used in the experiment was high-yield and 5-7 days earlier mature before local frost-free period. The full stand of seedlings kept in a hectare was 350-400 thousand. The row spacing was 45-50cm, Above mentioned technique is the main point of the complex high-yielding cultivation method named "early, narrow and close". Standing up to severe drought, low temperature, insufficient illumination and other nature calamities, the yield was continuouslly over 300 jin per mu. This technique opened up a new way to high and stable yield of soybeans in large area of hilly black soils in Keshan-Baiquen region of Helongjiang Province.

1979—1983年在所内和克山县北联公社万亩以上的面积上进行了大豆生产开发性试验。在土壤有机质不低于4%的丘陵漫岗黑土地上,选用比当地无霜期早熟5—7天的优良品种,每亩保苗2.3—2.6万株。行距45—50厘米的“早、窄、密”为主体的综合高产栽培法。经受了严重干旱和低温寡照等自然灾害不同的年份考验,连续获得了亩产超三百斤的产量,为黑龙江省克拜丘陵黑土区大豆大面积创高产、稳产开辟了新的途径。

 
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