Suitable for large, medium, plastic film mulching and rob early work. the cultivation.
适宜大、中、小棚及地膜覆盖抢早栽培。
Effects of plastic film mulching and pre-sowing irrigation on yield formation of spring wheat.
地膜覆盖和底墒灌溉对春小麦产量形成的影响。
Bast fiber film mulching can stimulates the growth and development of crops and finally increases the yields.
麻地膜覆盖能促进作物生长发育，增加产量。
Experiments of plastic film mulching and time of removing were carried out in Liangshan Tobacco Research Institute.
在四川省凉山州烟草科学研究所进行了地膜覆盖与揭膜时期试验。
The field trial of plastic film mulching on dryland spring wheat was conducted in the semiarid region of Loess Plateau.
在黄土高原半干旱地区，对旱地春小麦进行短期地膜覆盖试验。
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 results showed that the plastic film mulching could improve the soil moisture and heat condition in the rhizosphere of rape.
结果表明：地膜覆盖能显著改善油菜根际的水、热状况。
Moreover, the root yield and sugar yield for film mulching two lines within wide row were increased by31.5%and33.1%respectively.
其次是大垄双行覆膜，块根产量、产糖量比对照小垄直播分别提高31.5%、33.1%。
Compared normal plastic film and straw mulching, winter wheat yield with water-osmosis plastic film mulching increased by 43.1% and 40.4%.
与常规地膜覆盖和秸秆覆盖比较，渗水地膜覆盖冬小麦增产分别为43.1%和40.4%。
Results indicated that the best control effect and yield increase were obtained from the cultivation of early sowing with plastic film mulching.
结果表明，早播覆膜防病增产效果最好，防效达827％，产量成倍增加。
It has been proved that the film mulching cultivation had better control of underground water pollution caused by fertilizer application in rice field.
水稻覆膜旱作栽培方式能对施肥造成的稻田地下水水质非点源污染起到良好的控制效果。
The soil salt contents were increased in all growth stages of rice with film mulching cultivation, especially in panicle initiation stage and harvesting stage.
各生育期土壤盐分含量有所增加，尤以幼穗分化期、收获期为甚。
The wheat planting and film mulching all increased the soil phosphatase activity and N2O emission flux, applying fertilizer could enhance the phosphatase activity.
农田种植小麦和覆膜均增加了土壤磷酸酶活性和N2O的排放。
The test mostly analyse the film mulching hill-drop planter from two aspects: One is mechanism of duck-mouth type punching-opener, One is analyse of metering device .
本文主要从两个方面对覆膜穴播机具进行分析：一是鸭嘴式成穴器的成穴机理；二是外槽轮式排种器的分析。
The effects of double-row concave ridge and film mulching on phosphorus content in flue-cured tobacco leaves and soils were studied by field and laboratory experiments.
采用田间试验与室内分析相结合的方法，探讨了烤烟地膜覆盖与双行凹型垄结合对烤烟及土壤磷素含量的影响。
The effect of temperature-increasing and insulation of water-permeability plastic film mulching was superior to the common plastic film mulching's in sorghum growing prior season.
渗水地膜覆盖加速了有效养分的转化，其生长发育吸收的土壤营养大于普通地膜覆盖和露地。
There was no significant difference of rice grain yields between the treatments of straw mulching and plastic film covering but the cost and soil pollution in the latter should be concerned.
覆膜处理虽在产量和水分利用效率上略高于盖草处理，但差异不显著，且覆膜处理存在成本高，污染土壤等缺陷。
Along with mulching fixed number years lengthening, because of remains film recovery rate is low, the amount of remains film in the soil progressively increase and cause film pollution.
随着地膜覆盖栽培年限的延长，由于残膜回收率低，土壤中残膜量逐步增加，造成地膜污染。
This paper deliberated on the status of pollution brought by chemical fertilizer, pesticides and mulching plastic film, and according to each problem the corresponding treatments were put forward.
分析和探讨了化肥、农药及地膜对我国农田环境的污染状况，提出了控制农业自身污染的对策。
The key technical questions in producing carbon black masterbatch for coloring of LLDPE mulching film in China and abroad were reviewed.
论述了国内外LLDPE地膜着色专用碳黑母粒制造中的技术问题。
The results were as follows:Compared with conventional flooded paddy soils, rain fed and mulching plastic film slightly reduced bulk density, increased total porosity of the soils.
与常规水作相比，覆膜旱作稻田土壤容重有所下降，总孔隙度增加显著；
In view of this, this article will give a detailed presentation about the contents related on liquid mulching film to the public readers in the form of knowledge quiz.
鉴于此，本文就该地膜的相关内容，以知识问答的形式向广大读者进行详细的介绍。
The results showed that the ground temperature increased significantly in early growth stage of early-maturing potato after mulching with film.
结果发现：覆盖地膜后，在早熟马铃薯生长前期具有明显的增高地温作用。
Through R & D on the preparation of black weeding mulching film, the adequate recipe of black masterbatch and the manufacturing technology of black weeding mulching film were developed.
通过对黑色除草地膜的研制，找到较为合理的黑色母粒的配方以及黑色除草地膜的生产工艺。
The conclusion shows that degradable mulching film is still at experimental and extending stage due to the limitations of technology, ligh cost and general recognizations.
结论认为：由于技术、成本、认识等方面的限制，可降解地膜的仍处于试验和推广应用阶段；
The covering areas of the mulching film did not reduce, the light transmittance did not lower down, however the cost decreased and good economic benefit could obtain.
地膜在应用过程中覆盖面积没有减少，透光率未降低，成本降低，具有较好的经济效益。
Therefore it is the effective way to protection and recovery soil fertility through comprehensive controlling soil erosion and mulching with film and interplanting in the sloping farmland.
因此，进行水土流失综合治理、坡耕地覆膜套种等是保护与恢复土壤肥力的有效途径。
The results show that, under the dual mulching mode of plastic film and straw, the grain yield increase by 12.
结果表明，地膜和秸秆双元覆盖模式下小麦籽粒产量比对照增产12。
The results show that, under the dual mulching mode of plastic film and straw, the grain yield increase by 12.
结果表明，地膜和秸秆双元覆盖模式下小麦籽粒产量比对照增产12。
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