查询词典 fertilizer efficiency

The fertilization practices exhibited distinct influences on crop productivity insoils developed from different parent materials. In the gleyed paddy soils developedfrom slate, application of NPK organic fertilizer showed the highest rice yield,followed by NPK CaO_2 and specific fertilizer for rice and NPK Si.

主要研究结果如下： 1、供试施肥措施在不同母质发育的潜育性土壤上对提高潜育性水稻土壤的生产力的影响不同，在板页岩母质发育的潜育性稻田上的效果要好于第四纪红土发育的潜育性稻田。

For researching the effects of Silicon Fertilizer on quality of paddy rice we adopted randomized blocks design established 6 different silicon fertilizer handlings and duplicated 3 times.

硅肥是水稻正常生长的必需营养元素，对水稻的产量和品质都有重要的影响。

The iron transformation , their effects on soil factors and iron availability of compound iron fertilizer (CF,self-made iron fertilizer) and sulphate iron(FeSO 4) in calcareous soil were investigated by using soil incubation method.

通过土培试验的方法，研究了复混铁肥、硫酸亚铁两种肥料在石灰性土壤中的形态转化、对土壤因子的调控作用及在有效性上的差异。

Product purpose:(1) calcium carbide (CaC2), organic synthesis of the basic raw materials, Cyanamid, chlor-alkali products, the main raw materials;(2) polyvinyl chloride, used for light industry, construction materials, agriculture, packaging, medicine , electronic equipment, cars, daily necessities;(3) caustic soda, used in paper making, leather processing and textiles;(4) hydrochloric acid, used in paper making, cleaning, rare earth, organic chemical raw materials, fuel , food leather, metallurgy and other industries;(5) lime nitrogen (CaCN2), used in the manufacture of containers of cyanide, cyanides, alkaline drug fertilizer, lime nitrogen particles, soil particles slow-release fertilizer to improve the main raw material;(6) double Cyanamid (H2CN2 2, melamine in raw materials, synthetic pharmaceuticals, dyes intermediates.

产品用途：（1）电石（CaC2），有机合成的基本原料，氰胺、氯碱类产品的主原料；（2）聚氯乙烯，用于轻工业、建筑材料、农业、包装、医药、电子设备、汽车、日用品；（3）烧碱，用于造纸、皮革加工和纺织业；（4）盐酸，用于造纸、清洗、稀土、有机化工原料、燃料、食品皮革、冶金等行业；（5）石灰氮（CaCN2），用于制造氰容器、氰化物、碱性药肥、颗粒石灰氮、土壤改良型缓释颗粒肥的主要原料；（6）双氰胺(H2CN22 ，三聚氰胺的原料，是合成医药、染料的中间体。

In the range of 0～60kg/667m~2, The contents of tannin and organic acid reduced significantly as potassium fertilizer increased, but the effect was minished while more than 60kg/667m~2 potassium fertilizer(K_2O)were used.

在20～60 kg/667m~2 范围内，随着K_2O 用量的增加，黄瓜叶片和果实中SPS 活性均逐渐升高，而K_2O 用量达80 kg/667m~2时有下降趋势。

This paper statists and analyses the data about phosphate fertilizer of Chongqing from 1990 to 2003, evaluates the quality of phosphate fertilizer production and analyses the reason that why the rate is so low.

本文统计分析了1990年来重庆市流通领域抽查的磷肥数据，评价了重庆市农资市场中磷肥产品质量，分析了合格率低的具体原因。

The amount and ratio of nutrient translocations from leaf to grains vary with the mulching, and the supply of water and nitrogen fertilizer, indicating that the different water-fertilizer control measures can regulate nutrient transport and distribution in plant.

养分由植物叶片向子粒的转运量及转运效率随水分、氮素和覆盖条件的变化而发生显著变化，说明不同肥水调控措施可以调控养分在植物体内的运输和分配。

The production of crop specific controlled release BB fertilizer is simple and easy to do by mixing different nutrient-lapsed time fertilizers according the different nutrient demand ratio of crops,it should be the developing direction of compound fertilizer in China.

分析了树脂和硫磺包裹尿素缓释肥料发展缓慢的原因和弊端，提出以水溶性聚合物作为尿素和复混肥料的包膜胶结和内质缓释剂，具有降解快对作物无害改善土壤结构成本低等特点，将促进缓释肥料的发展采用生产不同时间段释放养分的缓释肥，按作物不同生育期对养分的需求比例掺混在一起，生产作物专用的缓/控释BB肥料简单易行，应是我国缓/控释肥料的发展方向

The results showed that 1518kg farmyard manure and 59.9kg chemical fertilizer, equal to 38kg N, P and K pure nutrient, were applied per unit area (667m2) of arable land,and that the nutrient ratio of farmyard manure and chemical fertilizer was 4.9∶5.1 (N∶P2O5∶K2O=1∶0.4∶0.62), and that the total complex grain output per year and the complex output value were 479.6kg and 804.47yuan per 667m2 respectively, and that the manure cost and the pure income from manuring were 148.25 yuan and 716.22 yuan per 667m2 respsctively, and that 12.6kg grain output could be gotten averagely from 1kg nutrient input The main factors affected the manuring effect were topography, cropping systems and crops kinds and manuring quantity from a peasant household as well effected the soil fertility significantly.

结果：平均每667m2耕地投入农家肥1 518 kg，化肥59.9 kg，折氮磷钾纯养分38 kg，农家肥与化肥养分比为4.9∶5.1，N∶P2O5∶K2O=1∶0.4∶0.62，全年粮食复合单产479.6 kg/667m2，复合产值864.47元，肥料成本148.25元/667m2，肥料纯收入716.22元，肥料产投比值5.9，投入1 kg养分产粮12.6 kg。影响投肥效应的主要因素为地势、耕制和作物。农户投肥数量对土壤肥力影响较大。

It features in well-distributed seed planting, sideway fertilization with bigger quantity of fertilizer and 40kg/mu fertilizer quantity. It has structures of profiling compacting machine, with reliable performance in earth backing and compacting.

整体功能位于国内领先水平，能满足牧草播种的特殊要求，播种均匀，侧深施肥且排肥量大，亩排肥量可达40公斤；仿形镇压机构具有可靠的复土性能和对行镇压功能。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"