本文關(guān)鍵詞：精準(zhǔn)農(nóng)業(yè)技術(shù)系統(tǒng)集成在新疆棉花種植中的應(yīng)用，由筆耕文化傳播整理發(fā)布。

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棉花種植     

cotton planting(14)

  

     The result also shows that between 2001 and 2002, the change rate of cotton plantation area is negative, but between 2002 and 2003, the change rate of cotton plantation area is positive.

     在2001~2002年度,棉花種植面積變化主要是減少,在2002~2003年度,棉花種植面積變化主要是增加。

短句來源

     Monitoring of the change of cotton plantation area in the Changjiang valleyby remote sensing-Taking Anqing City and Chizhou City as examples

     長江流域棉花種植面積變化遙感監(jiān)測(cè)——以安慶市和池州市為例

短句來源

     The paper takes Anqing City and Chizhou City as examples to introduce the procedure of monitoring cotton plantation area by remote sensing,and the area of cotton and its rate of change are monitored accurately by adopting such technology as interpreting and investigating.

     文章以安慶市、池州市為例,系統(tǒng)地介紹了在棉花種植面積遙感監(jiān)測(cè)過程中,通過土地利用背景數(shù)據(jù)庫建設(shè),以及基于背景數(shù)據(jù)的棉花種植面積遙感解譯,準(zhǔn)確地監(jiān)測(cè)了棉花種植面積及其變化率。

短句來源

  

     A study on the precision cotton growing in Shihezi Experimental Area in Xinjiang was carried out based on the characteristics of the mechanized, intensive and large-scaled production and the consideration of the actuality and basic conditions of cotton growing in Xinjiang Group Company of Production and Construction by using the new technology, conception, ways and means of GIS, RS, GPS, ES and MS.

     根據(jù)新疆生產(chǎn)建設(shè)兵團(tuán)農(nóng)業(yè)機(jī)械化、集約化、規(guī)�；a(chǎn)的特點(diǎn),結(jié)合新疆兵團(tuán)棉花種植的實(shí)際情況和基礎(chǔ)條件,利用GIS、RS、GPS、ES、MS等最新技術(shù)在棉花精準(zhǔn)種植試驗(yàn)區(qū)開展研究工作。

短句來源

     Analysis on the Spatial Change of Cotton Growing and Its Causes in China

     中國棉花種植空間變化及其原因分析

短句來源

     4) Sampling method research for cotton growing area estimation in XinjiangAfter analyzing several sampling methods used in China and abroad, a sampling method integrated two-stage sampling and stratified sampling method was adopted in this research.

     通過對(duì)各種農(nóng)作物遙感估算面積抽樣方法的研究、分析與比較，在新疆棉花種植面積遙感監(jiān)測(cè)中，采用了兩階段抽樣與分層抽樣相結(jié)合的新抽樣方法。

短句來源

     Up to now, there were more than 30 transgenic insect resistant cotton cultivars had been derived commercially in China, and more than hundreds cotton cultivars or hybrids with insect resistant genes were taking part in differnrt level of the regional cultivar tests in cotton production area, and the acreage of the transgenic insect resistant cotton had reached to 2/3 of the total cotton growing area in China.

     到目前為止,我國已審定轉(zhuǎn)基因抗蟲棉品種30多個(gè),正在參加各級(jí)區(qū)試的轉(zhuǎn)基因抗蟲棉品種(組合)多達(dá)數(shù)百個(gè),轉(zhuǎn)基因抗蟲棉推廣面積已占我國棉花種植面積的2/3左右。

短句來源

     Application of the integrated precision farming system of cotton growing in Xinjiang Region

     精準(zhǔn)農(nóng)業(yè)技術(shù)系統(tǒng)集成在新疆棉花種植中的應(yīng)用

短句來源

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     From the angles of cotton cultivation,selection of cotton structure,cotton bollworm raising,selection of larvae instar,method of chamber bioassay and evaluation criterion of resistant degree,the chamber evaluation technology of the insect resistance of Bt transgenic cotton was systematically summarized.

     從棉花種植、供試棉株器官選擇、棉鈴蟲飼養(yǎng)、標(biāo)準(zhǔn)試蟲選擇、室內(nèi)生測(cè)方法、抗性級(jí)別評(píng)價(jià)標(biāo)準(zhǔn)等方面 ,系統(tǒng)地總結(jié)了轉(zhuǎn) Bt基因棉抗蟲性的室內(nèi)鑒定技術(shù)。

短句來源

     The differential livelihood strategies of the different types of cotton growers are largely due to the difference of the area/acreage of cotton cultivation.

     不同類型的棉花種植戶所采取的不同生計(jì)策略表現(xiàn)于棉花種植面積的差異性;

短句來源

  

     Study on Insecticide Resistance of Housefly in South-western Henan Cotton Planting Area

     豫西南棉花種植區(qū)家蠅對(duì)常用殺蟲劑的抗藥性研究

短句來源

     The Resistance Gene Frequency to Cry1Ac Toxin in Helicoverpa Armigera Populations Collected from Bt Cotton Planting Region of Northern China

     Bt棉花種植區(qū)棉鈴蟲種群對(duì)Cry1Ac蛋白抗性頻率分析

短句來源

     By reviewed the history and present condition of country cotton production and analysed its potentialities,the article expounds that it is entirely possible to achieve cotton 4500kT by 2000,and pointed out further develop cotton production countermeasare-under the guarantee of the policy、science and technology and investment, by 2000.cotton planting area is stable at 5300k hm 2,per unit area yield 850_900kg·hm -2 ,potentialities to achieve cotton 4500kT is great.

     本文通過對(duì)我國棉花生產(chǎn)歷史與現(xiàn)狀的回顧和潛力分析，闡明到2000年實(shí)現(xiàn)我國棉花4500kt的目標(biāo)是完全可能的； 并提出進(jìn)一步發(fā)展棉花生產(chǎn)的對(duì)策，這就是在政策、科技、投入的保證下，至2000年，全國棉花種植面積宜穩(wěn)定在5300khm2，單產(chǎn)在850～900kg·hm－2，實(shí)現(xiàn)棉花450kT的潛力是巨大的。

短句來源

     To find out thermal indexes of frost and whole growth period ofcotton and guide cotton planting area division and cotton production in Ningxia, during the Period of 1991-1992 in Yongning and Yinchuan, adopting methodsof field test and contemporary meteorological observation, with New Luzao1 as a experimental variety, we made a study of the freezing damage indexesduring seedling stage and anaphase and the indexes of≥10℃ and≥15℃ accumulated temperature needed for normal boll opening of cottons in Ningxia.

     為了搞清寧夏棉花霜凍及全生育期熱量指標(biāo)，指導(dǎo)寧夏棉花種植區(qū)劃及棉花生產(chǎn)，于1991～1994年在永寧和銀川，采用田間試驗(yàn)和同期氣象觀測(cè)的方法，以新陸早1號(hào)為參試品種，，對(duì)寧夏棉花苗期、后期凍害指標(biāo)，正常吐絮所需≥10℃、≥15℃積溫指標(biāo)進(jìn)行了研究。

短句來源

     A Rosy Future for Cooperating in Cotton Planting with Namibia

     納米比亞棉花種植加工合作大有可為

短句來源

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  cotton plantation

The evaluation is based on observations over grassland, irrigated cotton plantation and spruce forest.

      

  cotton growing

Negative values of CWSI computed for cotton growing under non-water stressed conditions were associated with uncertainties in calculations of aerodynamic resistance (raand in estimating canopy resistance at potential evapotranspiration (rcp).

      

The verification study was carried out during a cotton growing season in Hula Valley, Northern Israel.

      

The potential groundwater rise during the 1992/1993 cotton growing season ranged from 465 mm beneath the cracking clay to 267 mm under the red brown earth.

      

Total soil N mineralized during the cotton growing season ranged from 60?kg?ha-1 to 80?kg?ha-1 following crimson clover and from 30?kg?ha-1 to 50?kg?ha-1 following rye.

      

Effects of fenamiphos and biocontrol agents on cotton growing in nematode-infested soil

      

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  cotton cultivation

This result supports an hypothesis of natural occurrence of the boll weevil in South America, prior to extensive cotton cultivation.

      

Bayer requests approval to commercially plant LLCotton25 wherever conditions are suitable for cotton cultivation.

      

But, it was not over a fundamental economic revolution in the South as the tools and techniques for cotton cultivation remained the same.

      

Crop productivity was not affected, suggesting that a large part of the current use of pesticides in cotton cultivation is unnecessary.

      

Cotton cultivation was shown to be a labourintensive activity, requiring 287 days/ha.

      

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  cotton planting

Nearly 40% of the rye and 60% of the clover biomass decomposed during the 6?weeks prior to cotton planting, with nearly 35?kg?N?ha-1 mineralized from clover.

      

Cotton planting dates and the abundance of cotton fleahoppers (Pseudatomoscelis seriatus [Reuter]) were also strongly linked to predator numbers during both years.

      

Ground preparation for cotton planting is begun about 10 days prior to planting by tilling 14-inch wide strips into the lupines.

      

In most cases, the early desiccation of the cover crop allows the soil to warm before cotton planting.

      

Kill the cover crop 3 to 4 weeks before cotton planting to conserve moisture.

      

Barley (rape or green manure) -rice -rice, Wheat-rice and Wheat-cotton. cropping systems have been practised for a long time in the suburbs of Shaghai. Recently a new cropping system, Combined grain with forage cropping designed, Was compared with those cropping systems. The results showed that combined grain with forage and barley-rice-rice cropping systems have much advantage than the others in ecological benefit (efficient of energy and matter discharge) Social effects economic efficient and soil improvement...

Barley (rape or green manure) -rice -rice, Wheat-rice and Wheat-cotton. cropping systems have been practised for a long time in the suburbs of Shaghai. Recently a new cropping system, Combined grain with forage cropping designed, Was compared with those cropping systems. The results showed that combined grain with forage and barley-rice-rice cropping systems have much advantage than the others in ecological benefit (efficient of energy and matter discharge) Social effects economic efficient and soil improvement and so on. On the basis of cropping pattern with rice and wheat (or barley) as the main crops, We may adjust rate of barley-rice or wheat-rice cropping system; reduce area of cotton crop by degree; develop special economic crops suitably such as medicinal herbs and spice crops; extend combined grain with forage cropping system vigorously for promoting the development of animal husbandry; set up pluralistic and compound structure of agriculture and realize a good circulation of agricultural ecosystem in the suburbs of shanghai.

上海郊區(qū)現(xiàn)行的麥(油、肥)-稻-稻、麥-稻、麥-棉種植制和我們根據(jù)上海大城市郊區(qū)的特點(diǎn)而設(shè)計(jì)的糧飼結(jié)合種植制,從生態(tài)效益(能流效率和物流效率)、社會(huì)效益、經(jīng)濟(jì)效益及土壤性質(zhì)變化等幾個(gè)方面的綜合研究評(píng)價(jià)結(jié)果看,糧飼結(jié)合種植制和麥-稻-稻三熟制比麥-稻、麥-棉及其他種植制度有著明顯的優(yōu)越性。因此,上海郊區(qū)應(yīng)該在堅(jiān)持以水稻和麥類為主體作物布局的基礎(chǔ)上,慎重調(diào)整麥-稻-稻和麥-稻之間的比例,逐步壓縮棉花的種植面積,適當(dāng)發(fā)展藥材、香料等經(jīng)濟(jì)作物,大力推廣糧飼結(jié)合種植制,促進(jìn)多種畜牧業(yè)的發(fā)展,建立多元多層次的復(fù)合農(nóng)業(yè)結(jié)構(gòu),實(shí)現(xiàn)農(nóng)業(yè)生態(tài)系統(tǒng)的良性循環(huán)。

The economic effect of distributional adjustment of cotton fields in China was at its best during the northward move in 1981～1989 and at its worst during the southward move in 1961～1980. Distributional index of cotton fields is an index for measuring economic effect of yield increase per ha resulting from distrtibution of cotton fields in China. Based on the tendency of spatial distribution of distributional index of cotton fields in China, locational directions for adjustment of distribution of cotton fields...

The economic effect of distributional adjustment of cotton fields in China was at its best during the northward move in 1981～1989 and at its worst during the southward move in 1961～1980. Distributional index of cotton fields is an index for measuring economic effect of yield increase per ha resulting from distrtibution of cotton fields in China. Based on the tendency of spatial distribution of distributional index of cotton fields in China, locational directions for adjustment of distribution of cotton fields are as follows:1. To expand the cotton-planting areas in the plains of North China lower reaches of Wei-Fen Rivers and Xinjiang.2. To reduce the cotton-producing scale in the south and north mountain areas of China.3. To condense the cotton fields in the south plains of the lower reaches of the Yangtze River.

調(diào)整我國大陸棉田布局,所獲經(jīng)濟(jì)效益,以1981～1989年北移最好;1960～1980年南遷最差。棉田布局指數(shù)是從總體種植業(yè)層次衡量各地單位棉田布局增產(chǎn)效益的指標(biāo)。根據(jù)我國大陸棉田布局指數(shù)空間分布態(tài)勢(shì),今后棉田布局調(diào)整的區(qū)位指向應(yīng)作如下安排:擴(kuò)大黃淮海平原、渭汾河谷下游平原和新疆等地棉花種植面積,縮減山區(qū)和江南平原棉花種植面積。

To find out thermal indexes of frost and whole growth period ofcotton and guide cotton planting area division and cotton production in Ningxia, during the Period of 1991-1992 in Yongning and Yinchuan, adopting methodsof field test and contemporary meteorological observation, with New Luzao1 as a experimental variety, we made a study of the freezing damage indexesduring seedling stage and anaphase and the indexes of≥10℃ and≥15℃ accumulated temperature needed for normal boll opening of cottons in Ningxia. Theresults...

To find out thermal indexes of frost and whole growth period ofcotton and guide cotton planting area division and cotton production in Ningxia, during the Period of 1991-1992 in Yongning and Yinchuan, adopting methodsof field test and contemporary meteorological observation, with New Luzao1 as a experimental variety, we made a study of the freezing damage indexesduring seedling stage and anaphase and the indexes of≥10℃ and≥15℃ accumulated temperature needed for normal boll opening of cottons in Ningxia. Theresults were: The frost indexes of cotton in spring and autumn ars take same.The light frost index i$2.0C, the daily lowest temperature, the heavy frostindex is 0℃;≥10℃ and ≥15℃ active accumulated temperature with 90%climate guarantee rate needed for normal boil opening of cotted are 2900℃.and 2650℃ respectiyely; ≥10℃ and≥15℃ active accumulated temperaturedwith 90% climate guarantee rate needed for full boll opening of cotton areabove 3150℃ and above 2750℃ respectively.

為了搞清寧夏棉花霜凍及全生育期熱量指標(biāo)，指導(dǎo)寧夏棉花種植區(qū)劃及棉花生產(chǎn)，于１９９１～１９９４年在永寧和銀川，采用田間試驗(yàn)和同期氣象觀測(cè)的方法，以新陸早１號(hào)為參試品種，對(duì)寧夏棉花苗期、后期凍害指標(biāo)，正常吐絮所需≥１０℃、≥１５℃積溫指標(biāo)進(jìn)行了研究。結(jié)果表明。棉花春秋霜凍的指標(biāo)相同，輕霜凍指標(biāo)為日最低氣溫２、０℃，重霜凍指標(biāo)為０℃；棉花正常吐絮需９０％氣候保證率的≥１．０℃活動(dòng)積溫２９００℃、≥１５℃活動(dòng)積溫２６５０℃；棉花充分吐絮需９０％氣候保證率的≥１０℃活動(dòng)積溫３１５０℃以上、≥１５℃活動(dòng)積溫２７５０℃以上。

 

  本文關(guān)鍵詞：精準(zhǔn)農(nóng)業(yè)技術(shù)系統(tǒng)集成在新疆棉花種植中的應(yīng)用，由筆耕文化傳播整理發(fā)布。

本文編號(hào)：200977