productive soil 中文意思是什麼

productive soil 解釋
肥沃的土地
  • productive : adj. 1. 生產的,生產性的;有生產力的;多產的。2. 產生[出產]…的 (of)。adv. -ly ,-ness n.
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  1. Our soil is fertile, our agriculture productive.

    我們的土地肥沃,我們的農產富饒。
  2. The major strategies for developing non - timber product forest crops during constructing the shelterbelt of the changjiang river are to transform non - timber in the serious water and soil erosion areas, to plan the development scales of non - timber forest in the areas of returning farm to forest, to adjust non - wood products distribution, to establish high productive production bases of non - wood products and to strengthen the macroscopic guide of government for developing non - timeber forest

    對水土流失嚴重的經濟林分佈區進行技術改造、做好退耕還林地上發展經濟林的規劃、適當調整經濟林生產布局、建立高效經濟林生產基地、強化政府的宏觀指導是在長防林建設過程中發展經濟林的主要對策。
  3. Further, research clearly shows that as soil nutrient levels are maintained, as crop yield levels are increased and more residues are returned to the soil, productive capability continues to increase and the natural resource of the soil is protected

    再者,研究清楚地表明,如果保持住土壤肥力水平,作物產量增加,更多殘茬還田,生產能力會持續上升,天然土壤資源也得以保護。
  4. Some of them undoubtedly made use of the fertile alluvial soil left by rivers after the flood season, but this simple method of agriculture is not thought to be productive enough to support cities

    他們中的一些人毫無疑問是利用洪水季節過後由河流留下來的肥沃沖積土壤,但這種簡單的農藝模式並不足以生產出足夠食物來支持城市。
  5. But about 20 years ago, local farmers recognized that their once - productive soil was being carried away by severe winds

    但20年前當地的農民發覺他們從前的肥沃土壤已被大風吹走了。
  6. Generally, karst rock desertification refers to the evolving process that leads to intense human - land conflict, destruction of vegetation, soil erosion, bare rock, failing productive forces of the land and the land surface appearing as desert from visual sense, because of the frail ecological environment formed by karst, and of the irrational social and economic activities of human beings

    喀斯特石漠化指在喀斯特脆弱生態環境下,人類不合理的社會經濟活動,造成人地矛盾突出、植被破壞、水土流失、巖石逐漸裸露、土地生產力衰退喪失,地表在視覺上呈現類似於荒漠景觀的演變過程。
  7. This paper chooses the indicators of economy and land quality input which has influence on the output, depending on cd - productive function to establish the function between input and output : y : productive forces of the cultivated land f : input of the fertilizer and agricultural chemical i : input of the irrigation l : input of the labor q : input of the land quality a : the level of average management t : the level of changing management a, b, c, d, f : productive elasticity coefficient the factor of the land quality includes texture, content of the organic matter, degree of the pickled, the structure of the soil

    本項研究選擇了影響農用地總產出的經濟投入指標和土地質量投入指標,藉助c - d生產函數,建立土地投入產出的函數關系: y = a ? e ~ ( ft ) ? f ~ a ? i ~ b ? l ~ c ? q ~ dy為以土地總產值表示的土地生產力f為化肥和農藥的投入i為灌溉投入,即灌溉所需用的水電費l為勞動力投入(考慮了農業機械投入的修正) q為土地質量投入a為平均管理水平t為變化的管理水平a 、 b 、 c 、 d 、 f分別為各相應生產要素的產出彈性系數其中,土地質量因子包括表土質地( t人有機質含量矚入鹽漬化程度px土體構型p )等。他們之間的關系為: q ( a ; xt a 。
  8. The results showed that the treatment of oxygen supply in the rhizosphere increased significantly the eh of soil and the dry matter production of the organs, promoted early tillering, and increased the productive panicles per plant, primary branches and grains per panicle, resulting in a markedly hither grain yield ( 8. 8 % more than that of the ck )

    結果表明,與淹水處理相比,根際供氧能提高稻田土壤氧化還原電位,提高各器官的干物重,促進分蘗早發,增加有效穗數、一次枝梗數和每穗實粒數,具有顯著的增產效果。
  9. Soil amelioration and ample supply of nutrients in the form of fertilizers is needed to convert poor soils into productive agricultural land

    土壤改良和增施肥料可使這些土壤逐步轉變成具有農業生產力的土壤。
  10. The production of wheat is increased by 9. 6 % under sewage irrigation ; ( 2 ). dry matter and leaf area index of the wheat is much higher during nourishment growth stage, while dry matter and leaf area index of the wheat under fresh treatment is significant lower during productive growth stage ; ( 3 ). heave metal from swage enriched in the soil stratum in the depth of 0 - 30 cm, and the root length under sewage treatment is larger than that under fresh treatment.

    田間試驗表明,在相同試驗條件下,污水灌溉與清水灌溉相比: ( 1 )污水灌溉可使冬小麥增產9 . 6 ; ( 2 )作物地上部干物重和葉面積指數,在營養生長階段清水灌溉比污水灌溉值高,而在生殖生長階段清水灌溉比污水灌溉值明顯降低; ( 3 )污水中營養物質主要富集在0 30cm土層中,在該土層中污水灌溉的小麥根量比清水灌溉的顯著增多。
  11. Soil water infiltration capacities and parameters of soil water infiltration model make severe change in agriculture productive period, but have definite change law as well

    土壤水分入滲能力與土壤水分入滲模型參數在農業生產周期內發生劇烈變化,但也有一定的變化規律。
  12. 16032 evaluation units of the potential land productivity were overlaid out. by using the mechamism methodology and relative computing models, yaan city ' s land productive potentiality was computed according to synthetic index of land productivity evaluation that was taken as soil effective coefficient. result of research indicated that : ( a ) siol effective coefficient changed from 0. 3047 to 0. 8550, respectively with medium - low yield farmland of 71. 28 percent. ( b ) the division of climate productivibilty is situated on the third degree and fourth class western area in east of chian

    4 、雅安市土地自然生產潛力與目前的實際生產水平比較,其增產潛力平均為23 . 53 ,說明農業技術和管理措施等的增產潛力較大;將目前土地的實際生產水平與15年前比較,土地的實際生產水平逐年上升,年均遞增0 . 64 ,顯然,土地的自然生產潛力是可以通過各種農技措施來挖掘的。
  13. Functioned as the “ kidneys ” of the earth, wetlands provide comprehensive eco - environmental and productive services in terms of flood mitigation, climate control, pollution prevention, soil - erosion reduction, environment beautification, biodiversity maintenance, and bio - productivity protection

    濕地被譽為「地球之腎」 ,具有巨大的調蓄洪水、調節氣候、控制污染、減少土壤侵蝕、美化環境、維護生物多樣性、生物生產力等生態、環境和生產功能。
  14. Land - means “ the terrestrial bio - productive system that comprises soil, vegetation, other biota, and the ecological and hydrological processes that operate within the system ”

    土地,是指包括土壤、植被和其他生態區、生態和水文過程的陸地生態生產系統。
  15. Serious soil and water loss is not only drains the precious water and soil resources, but causes the soil fertility greatly to reduce, weakens the land productive potential, and reduces the agricultural income

    嚴重的水土流失不僅流失寶貴的水土資源,而且使土壤肥力大大降低,削弱土地生產潛力,減少農業收人。
  16. A large number of scientists have made a lot of carefully and thoroughly studying works and obtained many important results for widening absorbing ability of soil water, regulating suitability of roots to water stress, exploiting productive potential of dryland in the last several decades

    摘要幾十年來,大量科學工作者為拓寬小麥根系對土壤水分的吸收能力和調控根系對乾旱的適應能力,挖掘乾旱地區的生產潛力,實現高產做了大量細致的研究工作,取得了許多重要研究成果。
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