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irrigation
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  灌溉
    Research on Water Consumption and Irrigation Regime of Main Landscape Tree Species in Beijing City
    北京主要园林树种耗水性及节水灌溉制度研究
短句来源
    TIMING AND INDEXES OF IRRIGATION FOR CITRUS IN SICHUAN
    四川柑桔灌溉期及灌水指标
短句来源
    Influence of Irrigation on the Growth of Oranges
    灌溉对柑桔果实生长的影响
短句来源
    Effect of Drip Tape Irrigation on Vegetable Production in Greenhouse
    温室大棚蔬菜生产中滴灌带灌溉应用效果分析
短句来源
    EFFECT OF HCO_3~- IN IRRIGATION WATER ON THE ABSORPTION AND DISTRIBUTION OF SOIL AVAILABLE NUTRIENTS OF BEAN
    灌溉水中HCO_3~-对菜豆吸收利用土壤有效养分的影响
短句来源
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  灌水
    Study on Physiological Mechanism and Application of Apple Trees under Partial Rootzone Irrigation
    苹果根系分区灌水的生理机制及应用研究
短句来源
    TIMING AND INDEXES OF IRRIGATION FOR CITRUS IN SICHUAN
    四川柑桔灌溉期及灌水指标
短句来源
    The effects of different irrigation quantity(100 mL,75 mL,50 mL and 25 mL per plant)on the growth and photosynthesis of two lettuce cultivars(cv.Hongnong and Lüling) were investigated.
    以2个生菜品种(弘农和绿领)为材料,研究了4种单株灌水定额处理(100 mL,75 mL,50 mL和25mL)对生菜生长和光合作用的影响。
短句来源
    Fv/Fm,Fv/Fo and qP decreased whereas qN increased with the decrease of irrigation quantity.
    对叶绿素荧光参数的分析表明,Fv/Fm、Fv/Fo、qP随着灌水量降低而逐渐减小,而qN则随着灌水量降低而增加。
短句来源
    The irrigation system and pure irrigation amount,based on the evaporation in the whole growing year,conform to 10687.5 m3/hm2 for 7 times. The irrigation amounts,different from plants,are 1687.5 m3/hm2 in each time except special irrigation to pear with 562.5 m3/hm2.
    在全年生长期蒸散量的基础上,香梨幼园整合了的灌溉制度应是全年的净灌溉量10687.5 m3/hm2,灌溉7次,除5月20日对香梨专门灌水562.5 m3/hm2外,其余皆1687.5 m3/hm2。
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  “irrigation”译为未确定词的双语例句
    A Study of Water Physiology of Turf-grasses and Saving Irrigation
    草坪草水分生理及节水灌溉的研究
短句来源
    A Study on Application of Micro-spray Irrigation and Soilless Culture Techniques in Cuttage Growing of Grape
    微喷与无土栽培技术在葡萄扦插育苗中的应用研究
短句来源
    Preliminary Study on the Effect of Covering with Straw forDrip Irrigation Fruit Tree
    果树滴灌秸秆覆盖效应的初步研究
短句来源
    Preliminary Study for Drip Irrigation of Fruit Trees with Straw Cover
    果树滴灌秸秆覆盖效应的初步研究
短句来源
    And the content of soluble sugar,Vc and organic acid were higher than T5.Compensate effect appeared after deficit irrigation,because the yield of treatment T1 was 3.8% higher than T5.
    T1、T3两个处理的果实品质明显改善:可溶性总糖、Vc和有机酸含量均与T5差异显著。 处理T1的前期产量比T5增加了3.8%,说明复水后有补偿效应,有利于向果实运转与分配,促进生殖生长。
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  irrigation
Characteristics of root growth in a fast-growing and high-yield poplar plantation under subsurface drip-irrigation
      
'I-214') were studied under two contrasting conditions, subsurface drip-irrigation (SDI) and normal irrigation (CK), on the sandy soil of Chaobai River, Beijing.
      
The Dabieshan District is a main ecological area with a function of soil and water conservation where seven large reservoirs and irrigation systems of the Pishihang are distributed.
      
Spraying wheat seedlings with these extracts, in contrast to the irrigation of soil, markedly diminished infection in plants with powdery mildew.
      
Since infiltration arises as a result of irrigation or input from atmospheric water, it actually acts in certain seasons of the year and not all year long.
      
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In 1974, 1975 and 1978, the authors made observations on fruit growth of 'Ging-Cheng' in Kiangtsin county and found that under the Kiangtsin climatic conditions, the growth rate of the fruit as was indicated by the increase in weight and volume of the fruit had two peaks, one in early middle August and the other from late September to early October. The highest growth rate occurred in the second growth peak. From late June to early July seems to constitute a turning point for the regular changes in the specific...

In 1974, 1975 and 1978, the authors made observations on fruit growth of 'Ging-Cheng' in Kiangtsin county and found that under the Kiangtsin climatic conditions, the growth rate of the fruit as was indicated by the increase in weight and volume of the fruit had two peaks, one in early middle August and the other from late September to early October. The highest growth rate occurred in the second growth peak. From late June to early July seems to constitute a turning point for the regular changes in the specific gravity of the fruit. Be-fore the later part of June, the specific gravity of fruit was above 1, whereas after early July, it dropped down to below 1. According to the morphological and physiological characters of the fruits, the growth of 'Ging-Cheng' can be divided into 3 periods. 1. the period of fruit-setting, beginning from the time of flower abscission to late June; 2. the period of rapid fruit enlargement, begin-ning from early July to early October; and 3. the period of colouring and matu-ring beginning from early October to early December. Based on these results, the authors suggest that some practical measures should be taken both to protect the fruit and to increase citrus production in Kiangtsin area. Attention must be given to the control of Phanonychus citri MCG and besides, to check summer flush in order to increase fruit-set. In the autumn, fertilizer must be applied sufficiently. In the case of autumn drought, irrigation should be practiced to pro-mote fruit growth as well as to increase fruit size.

1974、1975和1978年,在锦橙原产地——江津,对锦橙果实的生长发育规律作了系统的观察研究。提出在江津的气候条件下,果实生长的快慢以果重或体积的增长量作指标,有两次生长高峰,即8月上中旬和9月下旬到10月初,以第二次高峰期生长量最大。6月下旬到7月初是锦橙果实生长发育中一个显著的转折点,果实的比重发生规律性的变化:6月下旬以前比重都大于1,果实在水中沉底;7月上旬以后比重都小于1,果实在水中上浮。根据果实生长速率的变化和果实内各部分生长发育的特点,将锦橙果实生长发育划分为三个时期:一是幼果生长期,从谢花到6月下旬,二是迅速膨大期,从6月下旬到10月初;三是着色成熟期,从10月上旬到12月上旬。根据果实生长发育的规律,提出保果壮果农业技术措施的建议:在江津地区要注意控制夏梢和防治红蜘蛛,以提高座果率,要施秋肥,在秋旱期及时灌水,促进果实壮大,增加产量。

During the Ming and Qing dynasties,merchants, bankers and goverment officials in Shanxi built a number of home gardens.However, because of damage and outright destruction incurred during periods of unrest few exist intact today. Having investigated many of these home gardens, and visited the sites upon which some were built, we believe the following to be the characteristics of gardens in this period, 1. The gardens were relatively small, with an emphasis on quality rather than size. 2. They were built, for...

During the Ming and Qing dynasties,merchants, bankers and goverment officials in Shanxi built a number of home gardens.However, because of damage and outright destruction incurred during periods of unrest few exist intact today. Having investigated many of these home gardens, and visited the sites upon which some were built, we believe the following to be the characteristics of gardens in this period, 1. The gardens were relatively small, with an emphasis on quality rather than size. 2. They were built, for the most part, on level ground. 3. The 'Fengbi' (seal or close off) style of garden construction is typical. 4. Irrigation was done within the limits of he local water supply 5. The layout,construction, and floral displays of each garden were based on local condition. 6. The po-called 'flower tables',upon which potted plants Could be placed,Were used to create the illusion of varying elevations 7. The gardens were built with locally available materials and they were constructed with exquisite skill. We shall put forward to draw lessons from the construction garden.

明清两代山西的官僚、巨商建有大量的宅园,但经历代破坏所存无几。经实地调查、访问及查阅文献,对山西宅园的特色可归纳为:宅园较少而精小;以平地建园及封闭式庭园为主,因宅园一般建在城内及近郊,占地较少,故园林建筑物竖向比例较大,浑厚古朴,且以绝对高差和房基标高来形成起伏布局,以厅堂、长廊、楼阁、水池小门等来分隔庭院空间与宅院连接;其理水手法亦因地制宜;而园林建筑形式、装修和室内外陈设富有地方特色;又因山西苦寒,故在园内砌筑花墙放置应时盆景、盆花以丰富植物题材并就地取材叠石堆山,其手法精巧。最后并提出今后建园可借鉴之处。

This article deals with three parts: 1. Origin and history of walnut cultivated in our country. 2. Species and varieties and their classification. 3. Problems existing in walnut production and solu cions to them. Based on archaeological studies of our country, as early as geologic ages between the Tertiary period and Quaternary period there already were six species of walnut distributing in many distracts of southwest and northeast China. Moreover, in recent years walnut pollen grains have been found in several...

This article deals with three parts: 1. Origin and history of walnut cultivated in our country. 2. Species and varieties and their classification. 3. Problems existing in walnut production and solu cions to them. Based on archaeological studies of our country, as early as geologic ages between the Tertiary period and Quaternary period there already were six species of walnut distributing in many distracts of southwest and northeast China. Moreover, in recent years walnut pollen grains have been found in several proviences which situated in the strata from the Eocene Epoch to early pliocene, at least six thousand years ago. In addition, carbides of walnut nuts(Juglans regia, L) were discovered in Hebei province, 7335±100 years away from now, All of the evidences undoubtedly prove that China should be one of the walnutorigining regions and has grown those trees far over 2000 years. Three species are being applied in walnut production in our country, namely Juglans regia, Jnglans sigillata and Juglans mandshurica which is used as understocks. Nowadays there are some350-400 types of walnut, most of which are still single merit tree. Systematic collection and classification, therefore, are required in order to fully utilize those precious resources At present, following efforts should be put into practice in our walnut production: 1. Carry on selection of excellent types more widely. 2. Topwork inferior trees. 3. Popularize grafting techniques outdoors instead of seedling propagation and adopt asexual method to improve the quality and to bear early. 4. Strengthen the managements in walnut orchards such as topworking, pruning, fertilization, irrigation as well as control of diseases and pests.

本文共分三个部分,即我国核桃的起源和栽培历史;我国核桃的种类及品种的整理分类问题和当前核桃生产中存在的问题和建议。

 
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