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   the black soil 在 农艺学 分类中 的翻译结果: 查询用时:0.489秒
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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
    Spatial distribution of particulate organic carbon and aggregate associated carbon in topsoil of a sloping farmland in the Black Soil region,Northeast China
    东北黑土区坡耕地表层土壤颗粒有机碳和团聚体结合碳的空间分布
短句来源
    Although there are some similarities in natural conditions in the three black soil regions,the black soil in China is prone to be eroded for its undula ting relief.
    通过比较分析认为:在自然条件上虽然三大黑土区具有一定的相似性,但我国东北黑土区由于地势起伏相对较大,更易遭受水土流失的危害;
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
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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
    Spatial distribution of particulate organic carbon and aggregate associated carbon in topsoil of a sloping farmland in the Black Soil region,Northeast China
    东北黑土区坡耕地表层土壤颗粒有机碳和团聚体结合碳的空间分布
短句来源
    Although there are some similarities in natural conditions in the three black soil regions,the black soil in China is prone to be eroded for its undula ting relief.
    通过比较分析认为:在自然条件上虽然三大黑土区具有一定的相似性,但我国东北黑土区由于地势起伏相对较大,更易遭受水土流失的危害;
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
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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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A comparative study on the agricultural managenent systems and their optimization in the black soil region of Northeast China wassconducted.The simulation m experiment results show that combining organic-inorganic gricultural management system has the common merits of traditional agriculture and ppetroleum one.It is a suitable management system for developing Chinese agriculture and improving system productivity and nutritional cycling structure.

采用模拟养分循环开展长期定位试验的方法对黑土区不同养分循环结构农业经营制度进行了比较研究,结果表明,有机-无机相结合的农业制度包括传统农业与“石油农业”两者之长,是我国农业生产常久不衰、提高系统生产力和养分循环再利用的有效途径.

The total potassium (K) content of soils in Heilongjiang was relatively high in general and the available potassium content in soils was quite different for different soil types. The results of electro - ultra- filtration (EUF) analysis showed that the dark brown forest soils and the black soils in the northern part contained relatively high EUF-K, ranged from 12.5 to 15.7 mg per 100 g soil. In the black soils in the southern part, the EUF-K ranged from 8 to 9 mg per...

The total potassium (K) content of soils in Heilongjiang was relatively high in general and the available potassium content in soils was quite different for different soil types. The results of electro - ultra- filtration (EUF) analysis showed that the dark brown forest soils and the black soils in the northern part contained relatively high EUF-K, ranged from 12.5 to 15.7 mg per 100 g soil. In the black soils in the southern part, the EUF-K ranged from 8 to 9 mg per 100 g soil. The albic and aeolian sandy soils contained low EUF-K, ranged from 3.2 to 4.8 mg per 100 g soil. Field experiment in 1982 indicated that potassium fertilizer in soils with medium or low EUF-K, increased soybean yield by 17%-34%, and obviously prevented the epidemic of meadow moth and soybean mosaic virus. Application of potassium fertilizer increased the protein and total sugar content of the plants, promoted transportation of nutrients, speeded up the growth of the plants, improved the resistance of crops to adverse conditions. Application of potassium fertilizer resulted in early maturity of crops (4 - 7 days earlier than control), which had great significance for preventing crops from early frost damage. Hence, in order to keep nutrients balance in the soil and to increase soil fertility, potassium fertilizer or materials containing potassium must be applied to soils with medium and low EUF- K, such as black soils in the south part, ablic soils and aeolian sandy soils in Heilongjiang province.

The total potassium (K) content of soils in Heilongjiang was relatively high in general and the available potassium content in soils was quite different for different soil types. The results of electro - ultra- filtration (EUF) analysis showed that the dark brown forest soils and the black soils in the northern part contained relatively high EUF-K, ranged from 12.5 to 15.7 mg per 100 g soil. In the black soils in the southern part, the EUF-K ranged from 8 to 9 mg per 100 g soil. The albic and aeolian sandy ...

The total potassium (K) content of soils in Heilongjiang was relatively high in general and the available potassium content in soils was quite different for different soil types. The results of electro - ultra- filtration (EUF) analysis showed that the dark brown forest soils and the black soils in the northern part contained relatively high EUF-K, ranged from 12.5 to 15.7 mg per 100 g soil. In the black soils in the southern part, the EUF-K ranged from 8 to 9 mg per 100 g soil. The albic and aeolian sandy soils contained low EUF-K, ranged from 3.2 to 4.8 mg per 100 g soil. Field experiment in 1982 indicated that potassium fertilizer in soils with medium or low EUF-K, increased soybean yield by 17%-34%, and obviously prevented the epidemic of meadow moth and soybean mosaic virus. Application of potassium fertilizer increased the protein and total sugar content of the plants, promoted transportation of nutrients, speeded up the growth of the plants, improved the resistance of crops to adverse conditions. Appl

in this paper we have studied the diagnosis of soil nutrition by usins the systematic approach on four kinds of soil in Heilungjiang province. The result shown that the blacksoil with thin layer were deficiency in N,P,K and S. Without the nutrients application,the.yield decreased by 60%, 15%, 8% and 25%. respectively. The Lessive were dificency inN,P,K and Zn, without the nutrients applieation,the yield decreased by 80%, 53%, 17%and 21%, respectively. The black soil with medium layer were deficiency...

in this paper we have studied the diagnosis of soil nutrition by usins the systematic approach on four kinds of soil in Heilungjiang province. The result shown that the blacksoil with thin layer were deficiency in N,P,K and S. Without the nutrients application,the.yield decreased by 60%, 15%, 8% and 25%. respectively. The Lessive were dificency inN,P,K and Zn, without the nutrients applieation,the yield decreased by 80%, 53%, 17%and 21%, respectively. The black soil with medium layer were deficiency in N, P, K. andZn, without their application, the yield reduced by 58% , 20%, 22% and 29%.respectively. Meadow black soil were deficiency in N,P,K , and S, Without their application, the yieldreduced by 77%, 55%, 23% and 7%, respectively. Except for S, the four kinds of soilhave fairly strong intensity of adsorption for P, K, Zn, B, Cu and Mn.

本文采用系统研究法对黑龙江省四种土壤进行营养诊断研究。结果表明:哈尔滨薄层黑土缺氮减产60%,缺磷减产15%,缺钾减产8%,缺硫减产25%;林口白浆土缺氮、磷和钾分别减产80%、53%和17%,缺锌减产21%;双城中厚黑土缺氮磷和钾分别减产58%、20%和22%,缺锌减产29%;庆安草甸黑土缺氮、磷、钾、和硫分别减产77%、58%、23%和7%。供试4种土壤除对硫吸附强度较小外,对磷、钾、锌、硼、铜、锰都有较强的吸附能力。

 
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