npk 中文意思是什麼

npk 解釋
氮磷鉀肥料
  1. To meet the need of grain production, investigations such as property of nutrients uptake of high - yielding wheat, regularity of nutrient requirement of high - yielding maize, proper rate and ratio of npk fertilizers for high yields of wheat and maize, and rational rate and ratio of organic - n to inorganic - n in double cropping system have been conducted by shuming z. and yizhi l. et al. since 1980

    為了滿足糧食生產需要，自1980年以來，張漱茗和劉毅志等人就開始調查高產小麥養分吸收特性、高產玉米養分需求規律、高產小麥和玉米氮磷鉀肥適宜用量和比例、一年兩作制中有機氮和無機氮的合理用量和比例。
  2. On fertilizer effect, it would appeared that at shaoxing, the two fertilizer treatments of combination of organic manure and inorganic npk tended to give better yields than chemical npk alone, although there was no statistical significance observed

    關于肥料效應，在紹興似乎兩個有機無機肥配施的處理組合的產量比單施氮磷鉀化肥的產量更高，雖然沒達到統計學上的顯著意義。
  3. Compared with zero - fertilizer, only organic fertilizer, or chemical fertilizer applications, compound organic and chemical npk fertilizer applications greatly enhance soil microbial biomass in the whole corn growth period, increase the supply of soil nutrient and benefit soil fertility buildup

    研究結果表明，與無肥、單施有機肥、單施化肥相比，有機肥與n 、 p 、 k肥配合施用能顯著增加玉米各生育時期的土壤微生物量碳、氮，促進土壤微生物量顯著增長，增強了土壤養分容量的供應強度，有利於培肥土壤。
  4. Dry matter accumulation in and npk uptake by hybrids of stem lump mustard brassica juncea

    雜交莖瘤芥干物質積累和氮磷鉀吸收特性研究
  5. The application of plc in s - npk complex fat production system

    復合肥生產系統中的應用
  6. It is important, however, to focus more attention upon balanced npk fertilization for china because this offers one of the quickest and most economical ways of increasing yields

    更加重視氮磷鉀平衡施肥對中國至關重要，因為這可為增產提供一條迅速而經濟的捷徑。
  7. Balanced npk fertilization offers a well known and relatively easy technology for increasing crop production rapidly in china. however, this is not the only technology available

    氮磷鉀平衡施肥為中國盡快增加糧食產量提供了一項人所共識、相對易行的技術。當然，這不是唯一可行的技術。
  8. With nitrogen ( n ) consumption in 1989 at 15. 36 million tons, it would seem obvious that large economic loses occur due to inefficient use of part of this n because china does not use one of the simplest components of myr, balanced npk fertilization

    1989年中國氮耗用量為1536噸，由於中國未使用最高產量研究最簡單組成部分之一的氮磷鉀平衡施肥，致使一部分氮肥利用率低而造成巨大經濟損失。
  9. The fertilizer rate of fi gave significant higher yield than the other two at fuyang, further increasing in chemical npk would be unnecessary at the location

    在富陽， fi施肥量比其它兩處理獲得統計上的高產，進一步增施化肥似無必要。
  10. Quality of soils - terminology of npk fertilization

    土壤的質量. npk土壤改良的術語
  11. Report on application of tbs and npk combined fertilizers in peanut

    環保生態肥和三元復混肥試驗簡報
  12. Effects of zn stress on npk uptake and zn accumulation in 4 varieties of chinese cabbage

    鋅脅迫對大白菜養分含量及鋅積累的影響
  13. Effects of npk matches on the growth and yield of processing tomato under plastic mulched drip irrigation

    覆膜滴灌條件下氮磷鉀肥配施對加工番茄生物學性狀與產量的影響
  14. It would appear ( table 2. ) that the 1995 predicted needs could be met immediately by applying the known technology of balanced npk fertilization

    從表2看來，應用已知的平衡施肥（ npk ）技術現在就可達到1995年的需求量。
  15. The npk uptake rates by maize varied with the development of maize growing processes, but all of them appeared two peak periods

    玉米氮磷鉀吸收速率隨著玉米生長過程發展而改變，但所有玉米品種都出現兩個吸收高峰期（表1和圖1 ） 。
  16. In order to build a suitable soil circumstance with fertility maintaining or even inproving, principles of rational fertilization, combining organic manure with npk fertilizers and consideration of land utilization, maintenance and protection should be taken

    為了保持甚至改善土壤肥力以建立良好的土壤環境，要採用合理施肥、有機肥與氮磷鉀化肥配合、綜合考慮土地利用、維持和保護的原則。
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