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- The quantity and quality of tobacco was better with straw mulching. 稻草覆盖比稻草翻压及地膜覆盖更有利于烤烟产量及品质的提高。
- Those of normal plastic membrane mulching, straw mulching and no any mulching were in that order. 渗水地膜覆盖下玉米的产量最高,以下依次为普通地膜覆盖、秸秆覆盖和露地。
- Effects of rice straw mulch and water-retaining agent on soil properties and crop yield. 施用保水剂和稻草覆盖对作物和土壤的效应。
- The increasing in grain yield was about 10.3%, 8.9%, 23.2%respectively as compared with the plastic film mulch, the straw mulch and the unmulched cultivatiom. 稻谷产量较地膜覆盖、秸秆覆盖、露地旱作栽培分别增产10.;3%25;8
- The shredding chamber is a combined structure and the cutter shaft adopts rolling bearings, which is convenient for both installation and maintenance. 破碎室采用组合式结构,刀轴采用滚动轴承支承,装卸维修方便。
- Straw mulching, cultivating and hoeing, regulating the root distribution in the topsoil are effective measures to reduce the soil evaporation. 秸秆覆盖、中耕锄划、调控表层土壤根系分布等可作为减少土壤蒸发的有效措施。
- The shredding chamber is closely mated with the left-hand drive.The power will be effectively transmitted to the cutter shaft. 破碎室的箱体与左支承紧密配合,能有效地把动力传送给刀盘。
- Straw mulch is a very common measure during wintry fallow period that can last more than five months in southern China. 冬季覆盖和裸田休闲作为两种主要的冬闲方式,在我国南方地区广泛存在,且有扩大趋势。
- Anti-kickback devices are built in front of spiral cutter shaft, eliminating the danger of workpiece kickback and ensuring the safety of the operator. 螺旋刀轴前设置反弹装置,可避免工件反弹,确保操作人员安全。
- Grinding machine cutter shaft with a squeeze film damper (SFD) for deep hole grinding is designed base on the squeezes film damping theory. 基于挤压油膜阻尼理论,设计了带挤压油膜阻尼器(SFD)的深孔内圆磨削刀杆,并在高精度内圆磨床上进行了与静压支撑刀杆的磨削性能对比实验。
- Based on soil field infiltration test,the effects of corn straw mulch on freezing-thawing soil infiltration capacity are discussed. 基于大田土壤入渗试验,讨论了玉米秸秆覆盖对土壤冻融特点及入渗能力的影响。
- The results showed that the values of N2O emissions were ranked in the order of straw mulching>without straw returning (control)>straw incorporating>straw burning. 结果表明,不同稻秆还田方式麦田N2O排放量为:表面覆盖>对照(不施稻秆)>均匀混施>原位焚烧。
- Field experiment was conducted to investigate the water-saving efficacy of membrane multhing and straw mulching and their influence on tobacco growth, yield and quality. 摘要在大田条件下研究了不同覆盖保水措施对烤烟生长发育、土壤含水量、烟叶产质及病害发生的影响。
- In Yongzhou of Hunan, with fixed position plot trials, straw mulching, film mulching, no mulching and no returning had beep compared for series three years. 摘要在湖南永州对稻草翻压、稻草覆盖、地膜覆盖、不还田不覆盖进行了连续3年定位试验。
- Experiment was carried out in tobacco’s field to compare effect of polythene mulch, straw mulch and straw manuring on soil moisture, flue-cured tobacco growth and leaf quality. 在大田条件下研究了地膜覆盖、秸秆覆盖和秸秆还田对烤烟生长发育、土壤相对含水率、烟叶产质量的影响。
- This paper investigated the effects of various till age and straw mulch on soil properties, soil water status and crop yield of summ er maize through field experiments. 通过夏玉米田间试验研究了不同耕作措施及秸秆覆盖对土壤特性、水分状况、作物产量及水分利用效率的影响。
- On this base, a new water managemat pattern of orchard on Weibei highland, “grass planting beween apple tree rows + wheat straw mulching on the region of apple tree roots”, was put forward. 在此基础上,提出了渭北旱地果园各种年型下“果树行间生草+树盘秸秆覆盖”的水分管理新模式。
- The effects of straw mulching and residue are different under different soil water conditions.The increasing of yield and water use efficiency reduce with increasing of soil water content. 不同土壤水分状况下,秸杆和残茬覆盖的效果是不同的,产量和水分利用效率以土壤湿度较小的地段增加最为明显。
- The results showed that the best water management pattern of Fuji apple orchard was wheat straw mulching under low annual precipitation and grass planting under high annual precipitation. 结果表明,在干旱年份,红富士苹果园水分管理模式以秸秆覆盖方式最佳,在多雨年份,红富士苹果园水分管理模式以果园种植白三叶草方式最佳;
- Objective:To properly guide farmer to utilize fertilizer and rice straw mulching and increasing the yield and quality of saffron,forms of variety fertilizer and mulching of saffron were investigated. 目的:探索西红花施肥和覆草方式,指导药农正确使用化肥和覆盖稻草,提高西红花产量和质量。方法:不同的施肥和覆草方式对比研究分析。