氮缺乏 的英文怎麼說
中文拼音 [dànquēfá]
氮缺乏
英文
scarcity of nitrogen-
Eng. ) 1. know the fertilizers ( the appearance, properties, physical and chemical nature which includes the organic and inorganic fertilizers ) ; 2. determining the quality ( three major elements of the fertilizers ) and quantity ( the content of the moisture, nitrogen, phosphorus, and potassium ) of chemical fertilizer ; 3. the fertilizer composition expresses and calculation of the amount of application ; 4. it is cultivated in a pot or nutrient solution to test fertilizer effects ; 5. observe plant body : besides observing one ' s own test cultivated in a pot, and another diagnose the picture is for comparing ; 6. making of the compost
中) 1 .認識肥料(包括有機、無機肥料的外觀、性狀、理化性質) ; 2 .化學肥料的定性(肥料的三要素)及定量(水分、氮、磷、鉀的含量)檢定; 3 .肥料成分表示方法及肥料施用量的計算; 4 .盆栽試驗或水耕試驗(印證報酬漸減率、麥氏理論或肥料元素缺乏徵狀,並進行農藝性狀調查) ; 5 .植體觀察:除了觀察自己的盆栽試驗以外,另備有診斷圖片以供比較; 6 .有機堆肥的製作。For nutritional substance exists in organic state with weak process of mineralization, the available elements are low, especially a lack of available nitrogen and phosphorus, the soil condition can not meet the needs of plant growing
。有機質含量高,其總氮總磷和鉀的儲量較豐富。由於礦化作用弱,營養物質缺乏,特別是有效氮和有效磷的缺乏難以滿足植物的生長。Little is known about how to control anpsp due to lack of the related theory and practical experience. especially there is no satisfactory measure to reduce the runoff and leaching of n and p from agriculture into rivers and lakes. it ' s very significant in both theory and realism to reduce agricultural non - point source pollution and protect our ecological environment for realizing the harmonious development of resource, environment and agriculture in china
農業面源污染是困擾我國社會、經濟持續發展的一個嚴重的環境問題,主要是由於農業面源污染具有量大面廣、分散的特點,並受自然條件突發性、偶然性和隨機性的制約,現階段我們對農業面源污染情況的了解程度遠遠不如點源污染,還缺乏整治的相關理論基礎和實踐經驗,減少污染物尤其是氮、磷營養的排放具有相當大的難度,因此控制農業面源污染、保護和優化生態環境對實現我國資源、環境和農業協調發展有重要的理論和現實意義。Soil analysis showed that the two soils in ezhou and xiangyang counties were deficient in n, p, k, b and zn
土壤分析表明鄂州和襄陽兩地供試土壤缺乏氮、磷、鉀、硼和鋅。Dr stamler thus wondered if a lack of nitric oxide was causing the problems associated with transfusions
斯塔姆勒博士因此懷疑正是缺乏一氧化氮導致了輸血中的種種問題。分享友人