crop yield 中文意思是什麼

crop yield 解釋
穀物收獲量
  • crop : n 1 農作物，莊稼；收獲；收成；〈the crops〉 一季的收獲量，產量。2 （同一時期出現的人物等）一批，...
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  1. Research interest : isolation of functional genes with agronomic importance ; stress responsive regulation, posttranscriptional rna processing, carotenogenesis regulation and crop yield and quality improvement

    主要致力於植物功能基因分離、逆境應答和次生代謝與品質發育的分子調控機制及轉基因生物安全評價等研究工作。
  2. Crop yield correlates closely with annual rainfall

    農作物的收成與年降雨量有密切關系。
  3. Can be used for production all year round, thus improve the crop yield

    整年可作生產，提高產量
  4. Monitoring crop yield using noaa avhrr - based vegetation indices

    基於植被指數的作物產量監測方法研究
  5. On the base of var. analysis significance of the experimental treatment, we investigated crop response to water - salt stress regularity, studied the quantity relationship about crop yield and soil water and salt, established a function about them referring to blank and jense water model. conclusions as follows : ( 1 ) the effect of germinating time and rate emergence are different in soil with different salt content, and limited seriously in heavy saline soil

    在方差分析確認試驗處理顯著的基礎上，對作物生理生育指標（株高、莖粗、葉片數、花盤直徑、干物質量、葉水勢、籽實產量）進行統計分析探索作物水鹽響應規律；研究作物產量與土壤水分鹽分聯合作用的定量關系，參照水分的blank加法和jense乘法模型結構，建立作物水鹽響應模型。
  6. The shading and its effect on crop yield under poplar - crop intercropping system

    楊糧間作系統林木遮蔭面積和株行距研究
  7. Analysis of spatial variability of soil characteristics and crop yield under subsurface drainage

    暗管排水條件下土壤特性和作物產量的空間變異性分析
  8. 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。
  9. Effects of ridge making of green manure and return of straws into soil on crop yield and soil fertility in guizhou karst mountainous region

    貴州喀斯特山區旱地綠肥聚壠秸稈還土的培肥增產效應研究
  10. The most important factors affected crop yield and economics in these experiments were : rape : population density ; early rice : interaction of p k ; late rice : rate of nitrogen application ; wheat : variety ; midrice. interaction of n k

    這些試驗中影響作物產量最重要的因素是：油菜：種植密度；早稻：磷鉀交互作用；晚稻：氮肥施用量；小麥：品種；中稻：氮鉀交互作用。
  11. Effect of long - term located organic - inorganic fertilizer application on fluvo - aquic soil fertility and crop yield

    無機肥長期配施對潮土土壤肥力和作物產量的影響
  12. ( 8 ) the most limited factor to the sustainable land use is the water resource, due to the increase of the crop yield and the crop sowing area, so it is important for sustainable land use to decreasing irrig

    門）士地利用變化及其效應的可持續評價表明，曲周縣存在的最主要的不可持續因素是耗水作物的大面積種植造成的水資源壓力，局部地下水硝態氮和重金屬含量超標，對區域的種植結構調整。
  13. Comparison show the swap 2. 0 is an attractive and effective tool to obtain evapotranspiration for the study of relationship between crop yield and water use. a model of crop response to water based on bp neural network for spring wheat was developed using deficit irrigation experiment data

    本文依據人工神經網路的基本原理在充分吸收其最新理論研究成果的基礎上，以非充分灌溉試驗得到的實測春小麥產量和各生育階段水分資料為樣本建立了基於bp神經網路的春小麥作物水分響應模型。
  14. Blooming period is also a sensitive period. ( 3 ) effect of dry matter and yield are different on different irrigation level in same salt level treatment in squaring period. too much or too less irrigation water use is not benefit for crop yield

    （ 3 ）現蕾期同一鹽分處理的不同灌水處理對作物現蕾后的干物質積累量和產量形成影響不同，灌水過多過少都不利於產量形成；對于同一灌水處理的不同鹽分處理，隨鹽分增加作物干物質積累量和產量降低。
  15. Based on the analysis of crop structure and crop yield according to the statistic data in 1949 ~ 2000 year. the total water consumption of main crops and the amount of rainwater utilized have been calculated. the rapid increase in water demand for crops production after the late eighties is the one of main reasons of the water resources crisis in baoding area. the efficient precipitation, the water demand and the deficiencies of main crops in different typical years and in different growth period in baoding plain have been studied in detail. the factors of water use efficiency of different crops have been put forward through the analysis of test data in typical year

    本文利用保定市1949 2000年主要農作物的種植面積與產量統計資料，在分析了歷年種植結構變化、單產變化的基礎上，明確了歷年糧食總產變化情況，計算了歷年糧食生產的總需水量及其變化；根據農作物的雨水資源的變化規律，分析了歷年用於糧食生產的有效降水量；得出了保定市農業用水量從90年代中後期大幅度增加而有效降雨量的明顯減小，是造成保定市水資源供需矛盾突出的主要原因之一。
  16. However, balanced fertilization ' s influence over crop yield, value and net profits provides an opportunity to china ' s market economy that is too large to ignore

    盡管如此，平衡施肥對作物產量、生產價值和純利潤的影響為中國的市場經濟提供了一個不容忽視的巨大機會。
  17. Diseases reduce crop yield through a variety of mechanisms that are too varied to be discussed in this paper

    病害造成減產的機理千差萬別，本文不能一一詳論。
  18. It can reflect soil water stress and salt stress. ( 6 ) choosing soil solution relative concentration as suitable variable established a funct - ion about crop relative yield, soil water and salt. using the way of testing model with actual data to valid its higher precision, it can reflect the relationship of crop yield, soil water and salt, and be considered as reference in water saving irrigation management

    （ 6 ）選取試驗條件下的適宜自變量-土壤溶液相對濃度建立作物相對產量與土壤水分鹽分水鹽響應模型，通過實測資料檢驗確認模型具有較高的精度，可以較準確地揭示作物產量與土壤水分鹽分的量化關系，為含鹽土壤的節水灌溉研究提供了一定的基礎研究，可供灌溉規劃管理參考。
  19. Much forest harvesting resulted in the diversification of region climate and consequently brought in the diversification of crop yield

    森林的過量採伐導致區域氣候變化，進而引起糧食產量的變化。
  20. Development of crop yield and water use efficiency in fengqiu county, china

    封丘地區糧食生產水分利用效率歷史演變及其潛力分析
分享友人
分享到 Line

分享到臉書