crop index 中文意思是什麼
crop index
解釋
作物指數-
The results indicate that ( 1 ) land production is on the basic development level, the restrictive factors of land production are the ratio of land production, product of crop, the area of medium and low production, multiple crop index
研究結果表明：土地生產力處于基本可持續發展階段。土地生產率、公頃糧食產量、中低產田的面積、復種指數等對土地生產力的持續發展起限製作用；資源環境保護從初步可持續發展到基本可持續階段。 -
Based on the cultivated land fertility, according to grain yield, the planting coverage, the ratio of the grain crops to industrial crops and multiple crop index, the cultivated land population carrying capacity in 2010 and 2030 at the different population increasing modes were attained by predicting and analysing the food produce and the cultivated land carrying capacity
摘要以耕地地力為基礎，根據糧食單產、種植面積、糧經比和復種指數對河南省糧食產量和耕地資源承載力進行了預測和分析，得出不同人口增長模式下的河南省2010年和2030年耕地資源人口承載力。 -
Want to have consideration to findings, circumstance of fall victim of density of the mouth that be like bug, crop ( index of be murdered rate, be murdered, loss late ), computation of result of test of field drug effect
對調查結果要進行計算，如蟲口密度、作物受害情況（被害率、被害指數、損失率） 、田間藥效試驗結果計算等。 -
For a given rice variety, the crop harvest index, which is calculated by the grain yield divided by total dry matter produced above ground, may vary with crop management practices used
對于給定的水稻品種，作物收獲指數（由籽粒產量除以地上部分總干物重求得）可能隨作物管理措施不同而變化。 -
Based on the experimental results, several measures including the selection of high - yielding, high nutrient - efficiency variety, correct crop management practices to increase harvest index and returning rice straw to soil were suggested to keep nutrient ( particularly k ) balance in soil - crop system with high - yielding rice production
根據試驗結果推薦了幾項高產措施，包括選用高產、高養分利用率品種、改進作物管理措施以提高收獲指數和稻草還田，在水稻高產生產土壤作物系統中保持養分（尤其是鉀）平衡。 -
It is shown that forest coverage rate, crop replanting index and unit labor input have significant effects on soil erosion
研究發現，森林覆蓋率、作物復種指數以及單位勞動投入等因素對土壤侵蝕作用顯著。 -
In the agricultural total output value internal structure, output value of forestry and animal husbandry occupy 80 % of it, and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure, the economical crop output value occupy 51. 18 % of it, and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure, the grass - eating animals output value ( including rabbit output value ) occupy 84. 55 % of it, thereinto, the rabbit output value occupy 66. 2 % of it, and realize operation of large scale ; enhance meat, egg and milk per person ( increase proportion of beef and mutton, reduce proportion of pig ), and reduce grain per person and oil plants per person, and enhance forest - coverage rate, source of manure index etc, and enhance ecological benefit
到2020年時農業總產值達到了2000年的2 . 75倍，人均產值達2753 . 42元，是2000年的2 . 39倍，總產值內部，林業和牧業產值佔80 ，充分實現了優勢環境因子的開發利用；種植業內部，經濟作物產值佔51 . 18 ，突出了區域優勢（資源優勢）和特色農業（中藥材等）的發展；牧業內部，草食畜產值（含兔）佔84 . 55 ，其中兔產值占牧業產值的66 . 2 ，實現了規模化經營；提高了人均肉蛋奶佔有量（其中增加牛羊肉比重，降低了豬肉比重） ，降低了人均糧食和油料佔有量，同時還提高了森林覆蓋率、肥源指數等指標，從而提高了生態效益。 -
His presentation, entitled " the energy crop - sweet sorghum breeding and bioethanol conversion technology " described the sweet sorghum plantation in heilongjiang provingce in the year 2004 and in liaoning province in 2005, compared sweet sorghum with bulrush in salt march, analyzed the economical index of producing bioethanol with sweet sorghum, and equipments and plant developed for the production. mr. wu chuangzhi, research fellow deputy director general of guangzhou institute of energy conversion, chinese academy of sciences china, spoke on biomass gasification electricity generation and its industrialized application model
他指出，該技術具有靈活性較大多功能單位投資較低完全國產化，技術可復制性強等特點，適應谷殼木屑秸稈豆殼等各種原料，可實現200至6000kw不同發電規模，目前已簽訂合同23項，建成21項，並就其在中國東北華北華東華南和東南亞國家等不同地區的應用情況和前景進行了分析。 -
The sensitive index obtained by least - squared method sometimes can not be scientifically explained in terms of crop physiology. the phenomenon is related to the statistical distribution of experiment data in addition to the number of experiment treatment and water deficit level
受最小二乘法求優數學解的約束，在求解作物水分響應模型的敏感指標時常出現從作物生理和物理上難以科學解釋的情況，這除與試驗處理數量多少及缺水水平有關外，也與試驗數據的統計分佈有關。 -
Primary investigation on the relationship between the crop water stress index and the soil moisture
作物水分脅迫指數與土壤含水量關系探討 -
By studying the lithologjcal and mineral parameters ( pebbled elastics percent ratio, clastic maturation index, heavy crop stability factor ) of mesozoic sedimentary strata, the result shows that the northern boundary of present basin is near to the boundary of original basin and the moving distance of elastics is short, but the southern boundary of present basin is far from the boundary of original basin and the moving distance of elastics is long. the fades of northern basin are mainly delta fades and the fades of middle and southern basin are lacustrine fades
通過對盆地中生代沉積地層中各種巖礦參數（碎屑巖含礫百分比、碎屑成熟度指數和重礦物穩定系數）分析和綜合研究認為，今盆地北部距離原始盆地沉積邊界較近，碎屑物搬運距離較短；南部距離盆地古沉積邊界較遠，沉積物搬運距離較遠；中生代盆地北部主要為三角洲沉積相，中南部為湖泊相沉積。 -
Firstly, this dissertation estimated the size of carbon source ; sink and net carbon sink of farmland ecosystems in china costal regions ( including ten provinces ) with statistic data from 1981 to 2001, which include data of crop yield and agricultural consumptions. then analyzed the temporal - spatial differences of carbon source, sink and net carbon sink of china costal farmland ecosystems. secondly, estimated npp ( net primary productivity ) of farmland ecosystems in china costal regions with per month noaa - avhrr ndvi ( normalized difference vegetation index ) data and estimation model
本文首先運用1981 - 2001年的統計資料（作物產量和各種途徑的農業投入數據） ，對沿海十省區農田生態系統碳源匯及凈碳匯進行了估算，並分析了其時空差異；然後運用1998年逐月ndvi數據通過建模對沿海地區農田生態系統npp進行了估算，並分析了npp分佈與農田生態系統碳吸收的相關性；最後通過對農田生態系統碳源匯的影響因素分析，提出了不同的農田生態系統碳增匯減排技術。 -
In this paper, the research advance in diagnosis of crop water deficit is summarized from the aspects of soil index, meteorology index and crop index, the advantages and disadvantages of different methods are discussed, and the problems faced in the study application are also analyzed
本文從土壤指標、氣象指標和作物指標角度綜述了作物水分虧缺診斷的研究進展，討論了各種方法指標的利弊，並從應用研究角度分析了應用尺度存在的問題。 -
A cultivated land evaluation system was constructed in the light of land evaluation and site assessment in american. with analyzing the character of natural factor and socio - economic factor and taking the productivity of specified indicator crop as the index of quality of cultivated land, the contributing ratio of natural factor and socio - economic factor to the quality of cultivated land was ascertained
借鑒美國土地評價與立地分析系統（ lesa ）的模式，建立了一套耕地質量評價體系，對耕地的自然因素與社會經濟因素進行具體分析，並確定在本文所界定耕地質量內涵下，自然因素與社會經濟因素對耕地質量的貢獻率。 -
This paper summaries the evolution and methods of studying on crop condition monitoring using remote sensing in our country, and points out that the spatial resolution of remote sensing image selected is very low, and the monitoring index ndvi is limited
筆者總結了中國農作物長勢監測的研究進展、研究方法，指出用於長勢監測的遙感數據空間解析度較低，常用的監測指標具有局限性，監測精度有待提高。 -
Method for estimating crop leaf area index of china using remote sensing
全國農作物葉面積指數遙感估算方法 -
The physical meaning of sensitive index for six worldwide representative models of crop response to water ( stewart a, jensen, minhas, blank, stewart band singh ) was analyzed based on multi - variable linear regression theory and was verified by a case study
結果表明，敏感指標是以作物水分響應模型所表達的統一回歸方程的偏回歸系數，反映回歸自變量（水分）對因變量（產量）的作用效應，故可度量作物對水分的敏感程度。 -
Abstract : on the basis of the atmosphere - crop - soil systems, the synthetical production potentiality model of the grain crops is established in guizhou, the concept of crop increase production potentiality index is posed, the prospects of the synthetical increase production potentialities of crop uder the present and future circumstances are analysed
文摘:從大氣作物土壤系統出發，建立了貴州省主要糧食作物綜合生產潛力模式，提出了作物增產潛力指數的概念，分析了在現實條件下和未來條件下作物綜合增產潛力的前景。
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