查询词典 mulches

Plastic mulches create a barrier preventing fumigant gases from escaping to the atmosphere, thereby increasing their effectiveness.

塑料薄膜覆盖可以形成防止烟熏气体逸散到大气的屏障，所以提高烟熏气体的杀虫效果。

You can choose from bark mulch with a deep cedar red color, or you can find greener or grassier mulches.

你可以选择从树皮复盖了深施红色或者你可以找到或grassier绿化复盖。

Wavelength-selective or photoselective mulches absorb photosynthetically active radiation and transmit solar infrared radiation.

波长选择性或光选择性塑膜吸收光合活性辐射并传递太阳红外辐射。

Apply mulches to a depth of 3 to 4 inches soon after planting.

申请覆盖物为3到4英寸深种植后不久。

The lifetime of the biodegradable mulches was 9 months and of the biodegradable low-tunnel films 6 months.

寿命可生物降解覆盖物为9个月和生物降解性低隧道薄膜的6个月。

A landscape fabric may be used under the organic mulches to improve weed control.

阿景观织物可用于有机覆盖物下，以提高控制杂草。

There are heavier mulches and lighter weight mulches also.

有较重复盖、复盖重量也较轻。

Reapply organic mulches each year to keep the depth to 4 inches.

每年重新应用有机覆盖物，保持深入到4英寸。

In order to reveal the leaves senescence of spring wheat grown with plastic film mulches, the content of chlorophyll, protein, MDA and the cell membrane permeability of the leaves for spring wheat grown with and without plastic film mulches were determined by using simulated tube cultivation.

为了揭示春小麦在地膜栽培条件下是否早衰的问题，采用管栽模拟试验的方法，研究了地膜覆盖和露地栽培条件下春小麦叶片的叶绿素、蛋白质、叶片丙二醛含量和细胞质膜相对透性的变化。

The infrared-transmitting mulches provide the weed control properties of black mulch and are intermediate between black and clear mulches in terms of increasing soil temperature.

红外线透性薄膜有黑色薄膜那种控制杂草的特性，在增加土壤温度方面介于黑色与透明薄膜之间。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。