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- Liquid film mulching improved physical and chemical properties of soil. Liquid film was a kind of polymer mixture. It combined with soil particles and formed a black solidified membrane on the soil surface after adding water and spraying on the soil. 2 液体地膜覆盖改良土壤理化性状 液体地膜是高分子混合物,兑水喷施于土壤表面后,这些高分子与土壤颗粒相结合,在土壤表层形成一层黑色的固化膜。
- Liquid film mulching 液体地膜覆盖
- A thin skin or film, such as an organic membrane or a liquid film. 薄皮,薄膜如生物膜或液体膜等细薄的皮或膜
- A thin skin or film,such as an organic membrane or a liquid film. 薄皮,薄膜如生物膜或液体膜等细薄的皮或膜。
- Effect of plastic film mulching on crop yield and nitrogen efficiency in semiarid areas. 半干旱地区地膜覆盖对作物产量和氮效率的影响。
- The difference of yield with two film mulching treatments was significant(P<0.05). 垄覆膜条件下;聚土使小南瓜产量差异达显著水平(P<0.;05)。
- The difference of yield and output value between silver gray film and cornon film mulching was significant. 银灰膜覆盖与普通膜覆盖相比,烟株产量、产值差异达显著水平。
- The technique of Squeeze Liquid Film Damping is adopted in precise boring. 在精镗孔加工中采用挤压液膜阻尼技术。
- 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 yield, water use efficiency, dry weight, soluble protein and sugar of radish under plastic film mulching with different culture ways were studied. 摘要采用小区试验的方法研究地膜覆盖平作和高畦作方式下萝卜产量、水分利用效率、干物质、可溶性糖和蛋白质积累。
- Therefore,the yield product was markedly increased by using salt-tolerant wheat cultivar and plastic film mulching cultivation in saline soils. 利用耐盐小麦品种进行覆膜穴播显著提高盐碱地小麦产量。
- Plastic film mulching markedly increased biomass per a plant,flag leaf area,tillers per unit soil area,grains per ear and 1 000-grain weight. 覆膜显著增加单株生物量、旗叶面积、亩穗数、穗粒数和千粒重。
- Underground water quality in rice field under plastic film mulching cultivation was monitored during rice growth period. 对水稻覆膜旱作条件下稻田地下水水质变化作了动态检测。
- The integrated effects exhibited grass mulching> plastic film mulching > shallow scarification > soil surface scarification > the control. 综合各种效应,不同处理优劣顺序为覆草>盖膜>浅松土>表层松土>对照。
- Liquid film method was researched to recover naphthalene sulfonate from T-acid mother liquor. 采用液膜法回收T酸母液废水中的奈磺酸盐。
- There is a technology by the name of Imperforate Film Mulching Method for Crop Planting, simply as 'New Film Method', which can save arable land from white pollution. 有一技术“地膜覆盖无孔种植法”,简称[新膜法],可免除耕地的白色污染。
- Foam consists of bubbles, which are very thin liquid films with air inside. 水花含有气泡,气泡其实是外面一片很薄的液体,内里包著空气。
- In contrast, the imperforate film mulching method is a way to cover the topsoil with the film fixed by compacted soil on its ends when the crop is planted beside the film. 地膜覆盖无孔种植法,用地膜平铺于表土,边沿用土压紧封闭,将庄稼种在地膜旁边,膜下土壤中的水分和热量不易散失,却容易吸收外界水分,因此,庄稼增产不比传统覆盖法少。
- Metal pairs are adhesive together due to asperity peaks penetrating the liquid film. 此时,存在表面微突体的磨损和表面损伤。
- The results also showed that plastic film mulching increased N accumulation from reviving stage to harvesting stage and N translocation during reproductive stage. 覆膜亦能显著增加冬小麦各生育期氮素的积累,提高氮素转移量;