水田土壤化學 的英文怎麼說

中文拼音 [shuǐtiántǔrǎnghuàxué]
水田土壤化學 英文
the chemistry of submerged soils
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 田 : Ⅰ名詞1. （田地） field; farmland; cropland; land 2. （姓氏） a surname Ⅱ動詞[書面語] （打獵） hunt
  • 壤 : 名詞1. （土壤） soil 2. （地） earth 3. （地區） area 4. （姓氏） a surname
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 水田 : paddy [wet] field水田耙 paddy field harrow; 水田船 paddy field boat; 水田犁 paddy field plough; ...
  1. Field capacity the point at which the soil contains all the water it can hold by capillary and chemical attraction

    田間持水量：土壤通過毛細作用和化學吸力可維持的全部水量。
  2. This research investigated the variability and the quantitative relationships among soil nutrients ( soil ph, total n, organic matter, available p ), growth status ( spad, lai and spad lai ) and yield of rice. all data were analyzed by both classical statistics and geostatistics based on gis. by further integrating gis, gps and crop management knowledge model, a decision support system for precision farming ( dsspf ) was developed, which laid a technical foundation for the practical application of precision farming system

    本研究基於gis技術，以經典統計和地統計學為分析手段，確立了田區土壤養分（土壤ph 、全氮、有機質、速效磷、速效鉀） 、水稻作物長勢（ spad 、 lai 、 spad * lai ）和產量的空間變異特徵及定量關系；進一步以作物管理知識模型為智能決策支撐，提出了gis與模型及gis與gps的組件化集成技術，構建和實現了基於田區作物產量、土壤養分和苗情監測差異的精確農作決策支持系統（ dsspf ） ，為精確農作系統的應用奠定了技術基礎。
  3. For this reason, our objective is the research of the mechanism of runoff generation and characteristics of moisture changing process of slope farming purple soil, accordding to the theory of hydrology and the intergrated - means of compined the hydrology with the peodology, because it is the basis of the studies : soil erosion and protection, farming - land water balance, non - point pollute, etc., and the direction gist of runoff arrange implement, solving water hazard and management of irrigation and fertilizer

    綜觀國內外有關研究，我們認識到對紫色土土壤產流和水分變化特徵的認識，是認識該區土壤侵蝕與保護、農田水量平衡、非點源污染等的機理和規律的基礎，也是解決該區水患問題、實施徑流調節而提高旱地的雨水利用程度，以及水肥管理等的基本科學依據。因此，以水文學原理為基礎，採取水文學與土壤學、地理學、水土保持學等相結合的途徑，研究紫色土坡耕地的降雨產流機制與產流後土壤水分的變化特徵，是具有新的科學價值和現實意義的。
  4. The results of the 2 - year field experiments of reducing chemical n fertilizer application in rice growth and the 1 - year demonstration and extension on a rather of large - area showed that appropriately selecting various ways of reducing chemical n fertilizer application according to different contents of alkali - hydrolysable n in soil could decrease the application amount by 15 % ~ 20 % and maintain the current rice yield per unit area

    摘要通過2年水稻化學氮肥減量施用田間試驗及1年較大面積的推廣示範研究，結果表明：崇明常年高氮水平下的水稻栽培區，降低氮肥用量可以通過土壤高、中、低堿解n含量水平，以維持現有水稻單產為原則，針對性地選取減氮途徑進行減量， 2年結果可比習慣施肥減氮15 % ~ 20 % 。
  5. In research much importance was attached to the study of dry land and the physical, chemical and biologic properties of water land, but the relationship between soil microbes and soil fertility in the paddy field of long - term no - tillage and ridge culture was relatively ignored, so this experiment was conducted for further study

    縱觀國內外的研究概況，對旱地的研究比較多，對水田的物理、化學和生物性狀也有研究，但是，對稻田長期壟作免耕條件下的土壤微生物和肥力的關系的研究尚鮮見報道，因而著手于這方面的研究。
  6. Based on the principles of runoff agriculture and sloping fields runoff moisture balance of natural precipitation, the dynamical regularity of soil moisture in rainfall and fertilizer harvest terrace was studied, which can provide a scientific basis for improving the utilization of natural precipitation

    摘要應用徑流農業和坡地降雨徑流水量平衡原理，對代表燕遼低山丘陵區典型區域不同平坡比的集流聚肥梯田土壤水分動態變化規律進行了研究，為提高該區自然降水利用率提供了科學依據。
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