multiple cropping中文什么意思

發(fā)音:

用"multiple cropping"造句

【農(nóng)業(yè)】復種。

multiple: adj. 1.多重的；復合的,復式的,多數(shù)的,多樣的。 ...
crop: n. 1.農(nóng)作物，莊稼；收獲；收成；〔the crops ...
multiple cropping acreage: 復種面積
multiple cropping areas: 復種面積
multiple cropping index: 復作指數(shù)

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Study on productivity and efficiency of six different multiple cropping systems
不同復種方式的生產(chǎn)力和效益研究
Wheat - maize interplanting of both crops ' high yield features shorter cycling period , higher multiple cropping index , stronger fertility exhaustion and no time for soil fertility to recover
小麥-玉米套種兩作產(chǎn)量皆高是以周期短、復種指數(shù)高、肥力耗竭強為特征，土壤肥力沒有時間得以復原。
In order to increase the fanner ' s economic benefit and sufficient use resource of field and sunlight in xinhe county of aksu area , the experiment was carried out on multiple cropping the processing tomato in intercropping system of fruit trees and winter wheat after harvest
摘要為了充分利用地力，光熱資源和提高復播指數(shù)，增加種植農(nóng)戶的經(jīng)濟效益，在阿克蘇地區(qū)新和縣進行了果樹行間冬麥收獲后，復播加工番茄的試驗，獲得成功。
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(jié)果表明：土地生產(chǎn)力處于基本可持續(xù)發(fā)展階段。土地生產(chǎn)率、公頃糧食產(chǎn)量、中低產(chǎn)田的面積、復種指數(shù)等對土地生產(chǎn)力的持續(xù)發(fā)展起限制作用；資源環(huán)境保護從初步可持續(xù)發(fā)展到基本可持續(xù)階段。
Other factors that were found to have positive effects on soil nutrients include the multiple cropping index and the practice of plowing stalks back into the land . these findings lead to several policy recommendations . first , it shows that economic variables are very important in determining changes in soil fertility , and therefore the theory and method of economics should be taken seriously by soil scientists
然后，根據(jù)理論預(yù)期以及單因素分析結(jié)果，我們建立了土壤肥力變化的社會經(jīng)濟及政策影響因素模型，分別采取差分和固定效應(yīng)兩種具體模型形式，對各種可能的社會經(jīng)濟及政策因素對土壤肥力變化影響的方向和程度做了定量估計。