春灌 的英文怎麼說
中文拼音 [chūnguàn]
春灌
英文
[農業] spring irrigation; irrigate in spring-
9. a gravity sprinkler fertigation device was developed and has been used in practice. it has been found more economical and effective in improving yield in comparison with manual fertilization and airplane application
同時，對噴灌條件下冬小麥、春小麥、油菜三種作物的試驗區與大田噴灌區、常規地面灌區，進行了產量與節水量的比較分析，得摘要出噴灌節水增產效果顯著。At halfway to dhyana awaken the spring dawn, on the southeast part, there stands a very large stone, its shape looks like incense burner
在禪林春曉東南側半山腰，一巨石傍坡獨立，形似鼎爐，頂上幾叢灌木，宛如香燭。As addenda, a tennis and fives court, a shrubbery, a glass summerhouse with tropical palms, equipped in the best botanical manner a rockery with waterspray, a beehive arranged on humane principles, oval flowerbeds in rectangular grassplots set with eccentric ellipses of scarlet and chrome tulips, blue scillas, crocuses, polyanthus, sweet william, sweat pea, lily of the valley bulbs obtainable from sir james w. mackey limited wholesale and retail seed and bulb merchant and nurseryman, agent for chemical manures, 23 sackville street, upper, an orchard, kitchen garden and vinery, protected against illegal trespassers by glasstopped mural enclosures, a lumbershed with padlock for various inventoried implements
可以增添一個網球兼手球場，一片灌木叢，用植物學上最佳辦法設置一座熱帶椰子科植物的玻璃涼亭，有噴泉裝置的假山石，按照人道的原則設計的蜂窩。在矩形的草坪上布置一座座橢圓形花壇，將深紅和淡黃兩色的鬱金香藍色的天蒜報春花西櫻草美洲石竹香豌豆花和歐鈐蘭都栽培成別致的卵形球根購自詹姆斯w馬凱伊爵士247的股份有限公司，他是個種籽與球根批發兼零售商，苗木培養工，化學肥料代理商，住在上薩克維爾街二十三號。果樹園蔬菜園和葡萄園各一座。Shrub - rosy periwinkle
灌木-長春花Shurb - rosy periwinkle
灌木-長春花There is an annual movement of salt with water in coastal solonchak in liaoning as follows : the thawing - evapo - salinization period in spring, irrigation - leaching - desalting period in rice growing season from may to september, evapo - salinization period again in late fall and relatively stable period in winter
遼寧沿海鹽土中鹽分每年隨水移動如下：春季為凍融-蒸發-鹽化期， 5 ~ 9月為灌溉-淋洗-脫鹽水稻種植期，晚秋為蒸發-鹽化期，冬季為相對穩定期。Results show that the growth of plants is limited, growth of root is enhanced, water consumption is reduced, water use efficiency increase apparently, yield has little reduce when reducing irrigation water and detaining irrigation time properly
結果顯示：分蘗拔節期適當減少灌水量並推遲灌水時間，能抑制春小麥地上部分的生長，促進根系生長，減少總耗水量，提高水分利用率。Since the spring of 2001, northern china has been hit by a severe drought, and as a result, brother tians family was recently left with over sixty acres of dry farmland without irrigation facilities. other irrigated farms were not doing any better, because the local mountain stream had long ago dried up. last spring, wild grass on the mountain was dry and yellow, a scene usually seen only in autumn
去年入春以來，大陸北方發生嚴重乾旱，田師兄家的六十幾畝田都是旱田，沒有任何灌溉設備，即使有灌溉設備的田地也好不到哪裡去，因為山谷的溪水早就斷流了，而山裡的野草都已枯黃，放眼望去，一片如枯草連天的秋景。The red apricots on spring branches are the witness to your diligent sweat
看那枝頭紅杏春意鬧，是您辛勤的汗水澆灌。Secondly, many crop water parameters, including eta, wue and water sensitive parameters etc., were studied through onsite experiment, typical household survey and other methods. by analyzing crop water usage characteristics, we concluded : 1. about eta : the amout of pear water consumption was highest ( 750. 2mm ), however, the watermelon planted in greenhouse consumed only 266. 5mm ; 2
通過對大田作物需水量與自然降水量的平衡分析，可以將順義區主要大田作物分為三類： 1 ）灌溉需求量較大的作物，包括水稻、冬小麥、苜蓿、棉花； 2 ）灌溉需求量較小的作物，包括夏播作物（夏玉米、夏花生、夏大豆）和耐旱、避旱作物（高梁、穀子） ； 3 ）中間型作物，包括大部分春播作物（春玉米、春花生、春大豆等） 。Compared with coupling fitness of water requirement to rainfall, crop ' s water requirement and irrigation requirement show the contrary trend
表明在當地自然資源環境和節水灌溉背景下，不宜過多種植秋播糧食作物，應以春夏播作物為主。This experiment was designed according to the special soil moisture in the north in china as well as the different water requirements in the different growth periods of the maize. the author put forward a practical technique by comparing the water - supply conditions in the different periods of time and ensuring the growth target and the yield target under the best water - supply condition
針對北方旱區土壤水分運動存在冬季緩慢散墑、春季進入強烈跑墑期以及玉米在不同生長期需水差異這一特點，試驗設計提出了節水滲灌這一技術的田間試驗方案，比較不同時期的供水狀況，最後確認在最佳的供水條件下的玉米生長指標及產量指標，提出一套較實用的玉米滲灌節水生產技術。Through 3 - year field experiment, mathematical models were established for yields of spring and winter wheat, soil wetness, designed irrigation depth and fertilization rate. 8
6 .通過三年田間試驗，建立了噴灌條件下冬小麥、春小麥產量與土壤濕度、計劃濕潤層深度和追肥量三因素間的數學模型。Main results are generalized as follows : in dry year, coupling fitness of water requirement to rainfall reaches 90 % for sorghum and spring millet during crop ' s growth and reproductive season in shunyi county, while 85 % for peanut and soybean, 70 % for spring com and cotton, 65 % for alfalfa, and 55 % for cropping pattern of rice followed by wheat
主要結論包括： 1 ）順義區乾旱年型下，高粱和春谷全生育期需水與降水的耦合度達到90 ；花生和春大豆其次，達到85 ；春玉米和棉花為70 ；苜蓿65 ；水稻和冬小麥?夏作物組合耦合度只有55 。需水量和灌溉定額則與耦合度大小相反。Based on the data getting from field experiment in 2004, the sas software is used to analyses the growth of plants and root, yield and its composition, water consumption and water use efficiency under different quantity of irrigation water and irrigation time in prophase
摘要依據2004年試驗資料，採用sas統計分析軟體，研究了在不同灌水量、灌水時間處理下，春小麥生長前期生長狀況、干物質積累、最終產量及其組成、春小麥田的耗水量和水分利用率。Comparison show the swap 2. 0 is an attractive and effective tool to obtain evapotranspiration for the study of relationship between crop yield and water use. a model of crop response to water based on bp neural network for spring wheat was developed using deficit irrigation experiment data
本文依據人工神經網路的基本原理在充分吸收其最新理論研究成果的基礎上，以非充分灌溉試驗得到的實測春小麥產量和各生育階段水分資料為樣本建立了基於bp神經網路的春小麥作物水分響應模型。Facing to the reduction of the water diversion from the yellow river for hetao irrigation district inner mongolia autonomy, and giving attentin to agriculture production and improvement of salinization, this paper researches optimization model of district water - saving irrigation water management. the paper also quests for the optimization model of crop irrigation system and the optimization irrigation strategy aiming at the short of water for agriculture. in order to save water and use water high efficiently, this paper researches the change regulation of irrigation system of spring - wheat that is the important crop in the irrigation districted establishes the multidimensional dynamic model of irrigation rules of spring - wheat. lt also makes the simulation model of salt leaching of fall irrigation rules during non - growing period, and sorts the elements influencing water - saving of irrigation system
在內蒙古河套灌區的引黃水量減少又要兼顧灌區的農業生產和土壤鹽漬化向良性發展的形勢之下，本文針對灌區內區域灌溉水管理的現狀，對灌區內區域節水灌溉水管理優化模型進行了研究。研究針對農業水資源短缺的現狀，在節水灌溉條件下，對作物的灌溉制度進行優化模型探索，尋求最優灌溉策略。全文圍繞節水與高效用水，綜合應用了系統分析、灌溉排水及節水灌溉的原理和知識，研究了灌域內主要作物春小麥的灌溉制度的變化規律，建立了春小麥灌水制度的多維動態優化模型；建立了非生育期的秋澆制度的鹽分淋洗模擬模型；對節水灌溉水管理的影響因素的重要性進行了排序研究。The area for corn planted in spring occupies 76 % of the country while there is only 70. 31 % for corn in autumn
由於土壤狀況和灌溉條件越南玉米主要種植在春季和秋季，可能種植玉米佔全國總面積76 % 。At the same time, using the results of model, the paper provides the optimization irrigation quota and the aim of high yield and high benefit based on the principle that the net benefit of unit water is highestusing the model, we can reasonably distribute the irrigation water for spring - wheat during growing period on the condition of different irrigation quota. through evaluating the comparative yield by the model, the paper gains that the reduction of spring - wheat output is biggest when the irrigation quote is between 100 and 200. the thesis also gains that the corresponding economic irrigation quota is 170 - 120m3 / 667m2. above results can provide scientific reference for irrigation water optimization distribution for crops in the individual irrigation area and the programming of irrigation district
在現有的生產條件下，可以利用模型在不同的灌溉定額下對春小麥生育期灌水進行合理的分配，並可以利用模型進行作物相對產量的評估，得出當灌溉定額在100 m 200范圍內時，春小麥的產量下降幅度較大，最後得出相應的經濟灌溉定額為170 120m ~ 3 667m ~ 2 ，為今後河套灌區各灌域多作物灌溉水量最優分配以及灌區的規劃設計方面提供了科學參考依據。The experimental results showed that chlorophyll content and photosynthetic rate of irrigated sugarbeet seedlings were increased under the drouthy springtime, especially high photosynthesis of leaf was kept during growth anaphase
摘要春季乾旱條件下，苗期灌溉處理可以提高甜菜葉片葉綠素含量和光合速率，尤其對于生育後期保持葉片較高的光合能力有明顯作用。分享友人