| 单词 | crop rotation |
| 释义 | crop rotation noun[U] uk/ˈkrɒp rəʊˌteɪ.ʃən/us/ˈkrɑːp roʊˌteɪ.ʃən/amethodoffarmingwhere anumberof differentplantsaregrownone after the other on afieldso that thesoilstayshealthyandfertile(=abletoproducecrops) 庄稼轮作Farming - general words
Examplesofcrop rotationcrop rotation These practices may include cover crops, manures, compost,croprotation, intercropping, and biological pest control. From theCambridge English Corpus Furthermore,croprotation, and particularly no-till, promote diverse invertebrate populations, which play an important role in maintaining nutrient cycling and soil structure. From theCambridge English Corpus On the other hand, organic production techniques, particularlycroprotation, can reduce risk in the longer term. From theCambridge English Corpus Soil samples were collected from the same plots for the duration of onecroprotationcycle. From theCambridge English Corpus But obtaining a certificate required not only that one adopt techniques such ascroprotation, manuring and the building of field contours. From theCambridge English Corpus Therefore, once a candidate crop is identified, it may be many years before the crop is ready to be included in acroprotation. From theCambridge English Corpus The added fertilizer to thecroprotationis adjusted to allow spring barley to receive fertilizer too. From theCambridge English Corpus Commercial oats are often contaminated with wheat due tocroprotation, although oats prolamins are less toxic. From theCambridge English Corpus The two alternatives include continuous soybean and acroprotationthat includes winter wheat and soybean. From theCambridge English Corpus This study indicated thatcroprotationand reduced tillage have a number of positive effects on the ecological sustainability of agroecosystems. From theCambridge English Corpus Farmers will select crops based on the return they get from each crop and other constraints, such ascroprotation, labor, or machine availability. From theCambridge English Corpus The sustainability and productivity of the prevailing rotation are being compared with the sustainability and productivity of an improved high input and intensivecroprotation. From theCambridge English Corpus Subsequent trials were planted on a different patch of land following a pre-setcroprotationplan for each location. From theCambridge English Corpus As a result, a farmer who chooses to implement a long-term diversifiedcroprotationor other conservation practice assumes all the risks. From theCambridge English Corpus Effect ofcroprotationand fertilization on maize and wheat yields and yield stability in a long term experiment. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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