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Carbonate strata am in I often have sand between the rock surface exposed, developmental nagorye red soil, the growth of the Yunnan pine or evergreen oak forest.

碳酸盐地层分在我常间有砂面岩出露,发育山原红壤,生长着云南松林或常绿栎林。

The changes of microorganisms' number in different kind of Red Soil from CAS Ecological Experiment Station were detected.

跟踪检测中科院红壤生态站三种不同土壤中微生物数量在一年中的变化。

The changes of microorganisms number in different kind of Red Soil from CAS Ecological Experiment Station were surveyed.

调查了中科院红壤生态站内不同土壤中的微生物数量及区系组成,跟踪检测秸秆自然降解状况。

The low-P tolerance genetics of a set of 'Hexi41×Dabaidao' and RILs planted respectively in low phosphorous ferruginous acid red soil and high phosphorous soil were studied to investigate the expression of low phosphorus tolerance characteristics of hybrids under low-P stress, which provided the theory basis for the orderly improvement of rice germplasms with phosphorus efficiency.

以严重缺乏有效磷的酸性红壤开展合系41×大白稻强耐低磷杂种后代及重组近交系的遗传特性研究,以期明确低磷胁迫下杂种后代的耐低磷特性的表达,为磷高效水稻种质资源的定向改良提供理论依据。

In the subtropical cropland soil, decompositionrate of organic carbon in paddy soil due to ground water is periodical water-logginghuangnitian>gley huangnitian>submerged huangnitian; decomposition rate of organiccarbon in dry land soil is vegetable soil in Nanjing>red soil in Yujiang>fluvo-aquic soilinYujiang.

亚热带农田土壤中,水稻土受地下水升降的影响,有机碳分解速率顺序:潴育黄泥田>潜育黄泥田>淹育黄泥田;旱地土壤有机碳分解速率曲线依次为:南京菜园土>余江红壤>余江潮土。

The hydrogeological character of the Dongxiang red graben basin in Jiangxi province, the nature of the river system and landforms and their relationship with the geologic structure in the developing area of red soil are demonstrated in this paper.

本文分析了江西省东乡县红色断陷盆地的水文地质特征,着重研究了红盆外缘含水系统中的地下水顺导水断裂向盆地径流对形成红壤裂隙的补给资源所起的作用,并概括出三种类型的剖面。

Red soil ; red beds ; red graben basin ; fracture water ; water resource

红壤;红层;红色断陷盆地;裂隙水;水资源

The results showed that interplanting herbage could significantly improve the physical and c hemical property of red soil.

从而为红壤园地土壤理化性状的改良,果品产量和品质的提高,果树生长环境的改善,创造了一条有效途径。

It is important to study the water budget in hilly region of red soil.

开展对红壤丘岗区水量平衡的研究,显得非常重要。

For such reasons, the author investigated comprehensively on cropping systems and agriculture development in Fenxin County from 2002 to 2004, using mathematics model and GIS, discussed the cropping systems characteristic and development orientation and optimized the cropping systems spatial distribution. The data were collected from literature, questionnaires to experts and farm households, on-site investigation and field experiments. The main results are as follows:1,Because of inconsequent exploitation and management of the resources, rapid increasing population in hilly region of red soil, the stress on soil, deterioration of farmland ecological environment and soil gleization become more and more serious. Natural features , water and thermal resources and species are abundance.

基于以上目的,作者于2002-2004年,通过资料调研、专家咨询、农户调查、实地考察和田间试验等手段,对江西奉新县的种植制度和农业发展进行了全面的调查,通过建立数学模型和运用地理信息系统,对奉新县的种植制度的特征和发展方向进行了全面的论述,并且对种植制度进行了空间布局优化,主要结果如下: 1、红壤丘陵区由于长期以来对资源的不合理利用和掠夺式经营以及人口的急剧增长,土地压力上升,农田生态环境恶化,土壤潜育化,土壤肥力退化非常严重,但区内自然条件优越、水热资源总量丰富、物种丰富,具有一定的区位优势,为区内种植制度调整提供了有利条件。

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