施肥率 的英文怎麼說
中文拼音 [shībǐlǜ]
施肥率
英文
rate of fertilizer application-
The results showed that under copper and cadmium stresses sulfur and organic fertilizer fertilization increased the amounts of re - transported storage matter and nitrogen and the rate of transported storage matter and nitrogen in the leaves, leaf sheaths, glumes and spike stalks of wheat and the total amounts of re - transported storage matter and nitrogen and the total rates of transported storage matter and nitrogen in winter wheat before flowering compared with their own controls and the fertilizations with high sulfur and organic fertilizer rates did not presented a remarkable regular effect
結果表明，與各自對照相比，銅、鎘脅迫下低施硫和有機肥的處理增加了小麥葉片、莖鞘、穎殼穗軸等營養器官花前貯藏物質、氮素的再運轉量和運轉率以及營養器官花前貯藏物質、氮素的總再運轉量和總運轉率，高施硫和有機肥的銅、鎘處理則規律性不明顯。Studies on increasing n utilizing efficiency in maize by applying humic acid
施用腐殖酸對提高玉米氮肥利用率的研究Management of n in agricultural ecosystem is one of the most essential factors for agricultural sustainability. injudicious use of nitrogen fertilizer has induced a crucial environmental problem, which includes volatilization of nox to the atmosphere, acid rain, induced leaching of soil nutrients, changes in the global n cycle, and nitrate pollution of groundwater
農田生態系統中長期單一、過量偏施化學肥料特別是化學氮肥，造成農產品品質下降，肥料利用率低，不僅增加了農業生產成本，還嚴重污染環境，已成為農業可持續發展的一個重要制約因子。Phosphorus absorbed and immobilized in rhizosphere was less than that of in root zone and unroot zone. 2. the isothermal adsorption curve of each can be partition into two parts. phosphorus adsorption amount and phosphorus consistency slope in equilibrium solution are relatively higher than the slope of phosphorus adsorption amount and phosphorus consistency when fertilizer amount added increasing continuously
土壤的等溫吸附曲線可分成兩個部分：當土壤平衡溶液濃度很低時，磷的吸附量與（ x ）磷的平衡溶液濃度（ c ）的曲線斜率較大；當施肥量不斷增加后，土壤平衡溶液濃度也會隨之不斷增加，曲線斜率變小。In this paper, the techniques for perennial dongzao tree of not bearing fruits are introduced, such as fertilizer and water management, the technical methods of increasing fruit - bearing rate, winter pruning, and disease and pests control and so on
本文主要介紹多年不結果冬棗樹的肥水管理、提高坐果率的技術措施、冬季修剪及病蟲害防治技術。To release the burden of labor intensive and low efficiency manual wheat and maize interplanting, a maize interplanting - fertilizing implement was developed. to match the implement, the tread and ground clearance of small - four - wheel tractor are increased. when sowing wheat, the interplanting line for maize is reserved to mechanize the work for the next crop
借鑒保護性耕作在廣大旱農地區已取得的成功經驗，結合山東省的生產實際和種植模式，進行保護性耕作的試驗研究；針對人工套播玉米生產效率低、播種質量差的情況，利用設計的玉米施肥套播機和改裝的小四輪拖拉機進行機械化套播玉米試驗。Hubei province to investigate the effects of several water and nitrogen management patterns on eco - physiological conditions, yield, water use efficiency and nitrogen use efficiency in paddy rice
結果表明，在適當的施肥量和合理的追肥方式下，與傳統的淹灌相比，節水灌溉可提高水稻水分生產率及氮肥利用率，獲得高產。Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation
利用可精確控制水分條件的水肥平衡場，在不同水肥耦合處理的條件下，研究了水肥耦合對玉米光合特性及產量的影響，結果表明:不同水肥耦合處理的條件下，玉米的光合速率有所不同，氣孔導度的變化與光合速率的變化表現基本一致，而對蒸騰速率、細胞間co2濃度影響不大.其中，在自然降水條件下，有機肥和無機肥的配合，有利於玉米子粒灌漿期維持較高的光合速率，表現出良好的產量潛力.充足水條件下，有機肥和無機肥的配合，光合速率及氣孔導度表現較低，表現產量有所下降，說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下，為充分發揮玉米的產量潛力，最佳的管理措施是增施無機肥和有機肥的配合Effect of autumn fertilization combined with returning stalks to field on corn yield and water use efficiency in arid farming areas
旱農區秸稈還田秋施肥對春玉米產量及水分利用效率的影響Water and fertilizer influenced the ecophysiological characteristics of achnatherum splendens leaf markedly which raised with the increase of water and fertilizer. 7
水分和肥料對友友草光合生理生態特性的影響差異顯著，光合速率隨灌水量、施肥量的增加而增加。Studying on the mechanism of nitrogen transport and transformation under the conditions of fertilization and irrigation with sewage effluent is very important for utilization of sewage effluent and fertilizer and pollution control. based on laboratory and field experiment and numerical simulation, nitrogen transport and transformation has been investigated in this dissertation
污水灌溉和施肥條件下，氮素在土壤與作物系統中遷移轉化規律的研究，對于合理利用污水資源和合理施肥，最大限度提高水分和養分的利用率，減少硝態氮淋洗風險，具有十分重要的意義。However, the movement and transformation of n in soil under fertigation remains unclear. the methods of simulation experiment and culture experiment were used to study the movement and transformation of n in soil under fertigation by drip irrigation. the main experimental results were shown as folio wings : ( 1 ) the water infiltration under drop irrigation is a point infiltration ; and the soil moisture in vertical and horizontal directions was increased with the irrigation time, and the movement rate were decreased with the irrigation time
本研究採用室內模擬試驗和生物培養試驗相結合的方法，研究了在滴灌施肥條件下，化學氮肥施入土壤后的遷移、轉化規律以及對作物生長的效應，獲得了以下主要結論： （ 1 ）滴灌條件下水分以點源入滲土壤，水平和垂向的濕潤鋒均隨入滲時間的增加而逐漸變大，在入滲開始階段濕潤鋒的推進速率較大，隨入滲時間的延長，濕潤鋒的推進速率逐漸變慢。Effects of fertilization on the growth, development and water use efficiency of spring millet
施肥對春穀子生長發育及水分利用效率的影響With nitrogen ( n ) consumption in 1989 at 15. 36 million tons, it would seem obvious that large economic loses occur due to inefficient use of part of this n because china does not use one of the simplest components of myr, balanced npk fertilization
1989年中國氮耗用量為1536噸，由於中國未使用最高產量研究最簡單組成部分之一的氮磷鉀平衡施肥，致使一部分氮肥利用率低而造成巨大經濟損失。Abstract : according to the daga of crops yield and soil fertility changes of long term application of fertilizer and nutrients recycling obtained from ecological stations scatrtered in four typical areas under chinese academy of sciences and state minisetry of science and technology, the circulation ratios of organic carbon, phosphorus and nitrogen in the process of feeding - composting in were put forward in the agricultural system of black soi area, the ratios were about 0. 3, 0. 61 and 0. 49, respectively
文摘:根據中國科學院和國家科技部分佈於四大類型地區的生態站進行的長期施肥及養分循環再利用的作物產量、土壤肥力質量變化研究數據，提出了黑土區農業系統投料中有機碳和磷、氮在飼養? ?堆腐過程中的循環率。Effect of fertilization on the net photosynthesis rate and chlorophyll content of different wheat cultivars
施肥對不同品種小麥光合速率及葉綠素含量的影響Moreover, it means improvements in fertilizer use efficiency such as a better nutrient balance to counter depletion of soil nutrients and soil acidification, better application techniques to improve nutrient uptake and to reduce nutrient losses, and overall improvements of crop husbandry
更確切地說：是要通過平衡施肥提高肥料利用率和防止土壤養分過度損耗及土壤酸化，改善施肥技術以提高養分吸收，減少養分流失，從而全面改善作物生產。We use time domain reflectometry ( tdr ) to simultaneously estimate volumetric soil water content, soil solution electrical conductivity, and soil nitrate concentrations in combination with porous ceramic cup solution samplers to follow no3 - n transport in soil exposed to different irrigation, fertilizer quota and temperature. the experiment was conducted with nondestructive soil colums
本研究中以原狀土為研究對象，利用時域反射技術隨時測定土壤含水量和電導率的特點結合多孔陶瓷杯抽濾技術，研究在不同灌水、施肥和溫度下硝態氮的變化。Results indicated that, excessive fertilizer did not lead to high yield but reduced quality and inefficient fertilizer utilization, while appropriate organic fertilizer could improve rice quality and field conditions
結果表明：過量的施肥水平並不會獲得水稻更高產量，相反會導致品質水平下降及肥料利用率降低；適當的施用有機肥會改善稻米品質，同時起到養田、保田的作用。By an analysis of the statistical data of 2003 from the national agricultural technology center and the data of peasant household survey in 2000, the conditions are depicted of the spatial distribution and product mix of the consumption of nitrogenous fertilizers in china and the crop demand
通過對全國農技中心2003年統計數據和2000年農戶調查數據的分析，闡明了我國氮肥消費的空間分佈、品種結構和農作物需求狀況；並指出了農作物氮肥施用中存在傳統施肥習慣影響氮肥消費結構，氮肥施用面積不足、適量和超量各佔三分之一，施肥方式影響肥料利用率，氮肥價格的上漲也影響氮肥消費結構等問題。分享友人