Black plastic mulch can help keep them warm.
黑色塑胶薄膜对保持它们温度。
Angelica under Ridge planting, Black plastic mulch coverage, Furrow planting show some disease resistance.
垄作、黑色地膜覆盖、沟植的当归对麻口病表现出了一定的抗性。
Plastic mulch increases soil temperature in the bed which promotes faster crop development and earlier yields.
塑料薄膜覆盖提高苗床的土壤温度，促进作物较快发育并提早成熟。
The mechanical collection of the plastic mulch is one of the effective ways to resolve plastic mulch pollution at present.
机械回收地膜是目前解决残膜污染的有效途径。
The researches in this paper showed the characteristics and mechanics of plastic mulch which preventing soil salt from moving to soil surface.
本文的研究揭示了地膜覆盖节水特征和抑制土表积盐机制。
The simulating models about the change of soil water content under plastic mulch were established by analysing the changes of soil water balance after mulching.
通过分析地膜覆盖后土壤水分平衡的变化特点，建立了地膜覆盖前后农田土壤湿度变化的模拟方程。
The research results showed that the difference of soil water profiles between plastic mulch and no - mulch treatments was obvious, and the former had more water than the latter.
结果表明：水稻覆膜节水灌溉措施与非覆膜措施相比对春季土壤墒情有明显影响，在本研究中覆膜节水处理区的剖面含水率低于非覆膜节水处理的剖面含水率；
On the other hand, strawberry growers in central California do not benefit from earlier harvest market-wise, but plastic mulch is widely used for another purpose, specifically fruit quality.
相反，加利福尼亚中部的草莓种植者并没有获益于提早收获的市场优势，但塑料薄膜覆盖广泛用于其它目的，特别用于提高果品品质。
The results showed: compared with traditional irrigation, drip irrigation under plastic mulch could reduce the height of cotton, lessen the number of cast bolls and centralize the root system.
结果表明：膜下滴灌与传统灌溉相比，可以降低株高、减少蕾铃脱落和使根系集中。
When conducting analysis method of reducing dimension to the rate of picking up spring plastic mulch, the analysis was conducted with comparing with the rate of picking up autumn plastic mulch.
在对春膜收膜率进行降维分析时，是按与秋膜收膜率相对比进行的。
The effect of plastic house and plastic film mulch on ginger's growth and yield was studied.
研究了大棚和大棚加地膜覆盖对生姜生长和产量的影响。
Wide plastic film mulch has demonstrated obvious positive effect on soil temperature.
宽地膜覆盖对土壤温度有明显的正效应。
Some characteristics of rice cultivated in aerobic soil mulched with semi-decomposed straw and plastic film and without any mulch were compared under field conditions.
通过半腐解秸秆覆盖旱作、地膜覆盖旱作、裸地旱作比较试验，研究了在田间覆盖条件下旱作水稻的生长发育以及产量形成特征。
The plastic film mulch can increase the soil temperature, and the straw mulch can improve soil fertility. Besides above advantages, the double mulch can also preserve soil moisture.
地膜和秸秆二元覆盖既有地膜覆盖的增温作用及秸秆覆盖的肥田改土作用，又有双重的蓄水保墒效应。
It was investigated that the soil water content and winter wheat yield affected by the means of BP anti drought reagent, plastic film mulch or organic fertilizer.
主要探讨了BP保水剂、地膜覆盖和有机肥等丰产措施对山坡地土壤水分含量及冬小麦产量的影响。
The following paper will focus on one expanding use of plastic in producing high-yielding and high-quality crops plastic for mulch.
本文主要讨论塑料在高产优质作物生产中一种日益广泛应用的覆盖用塑料。
This paper studied the effect of plastic film mulch cover on growth and development and water use efficiency of small squash in the dryland.
研究了地膜覆盖对旱砂地小南瓜生育特性和水分利用效率的影响。
Researched effects of plastic film mulch on spring wheat growth and water use efficiency in different conditions by field experiment.
通过大田实验研究了不同条件下覆膜对春小麦产量与水分利用效率的影响。
Based on experimental data, water saving and temperature raising effects of micro irrigation with plastic film mulch are analyzed and discussed.
在实验基础上，分析论述了微灌地膜的节水效果和增温保墒效应。
Thus the adaptive fields of flax under the mulch with plastic film were the areas of high and cold.
因此认为地膜胡麻的适应区域是高山冷凉山区。
Thus the adaptive fields of flax under the mulch with plastic film were the areas of high and cold.
因此认为地膜胡麻的适应区域是高山冷凉山区。
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