减产

The straw mulching and plastic film mulching with seeding in furrow can improve water use efficiency, in this sense, mulching is water saving.

秸秆覆盖和地膜覆盖垄沟种植春玉米产量大幅度提高，地膜覆盖垄背种植在一定程度上保蓄土壤水分，但由于垄背较高，土壤水分供应不足，较不覆盖减产显著。

D Wide fluctuations in the size of the potato crop over a twenty-year period are not unusual.

前面以20年前的产量高和去年的产量低来判断减产，也就假设了B的这种情况。

Stripe rust is one of the most important diseases of wheat. It once was popular in China and resulted in a massive loss of wheat yield.

条锈病是小麦的主要病害之一，在我国曾多次流行造成小麦严重减产。

Along with increase of infecting area and diseased plant rate year after year, the harm of rice stripe blight reached peak in 2005 and resulted in serious rice yield reduction. Yield of Wuyujing series cultivars was reduced about the 50 percent and there was almost no any output in some farmland.

发病面积逐年上升和发病率逐年提高。2005年更是达到发生危害的高峰，造成水稻严重减产，武育粳产量损失达到50％左右，严重田块几乎绝收。

However, frost or low temperature frequently occurring in spring affects barley grain production significantly, because the plants at reproductive stage are quite sensitive to low temperature.

在冬大麦种植区，冬季极端低温一般并不导致苗期遭受严重冻害，而春季时常发生的低温寒潮常造成减产。

These discarded plastic products are difficult nature of light and heat degradation, so Plastic buried in the soil may be Ersanbainian not rot, waste plastic products mixed in the soil and affected crops absorb nutrients and moisture will lead to crop production.

这些废旧的塑料制品很难被自然界的光和热降解，所以，塑料埋在土壤里可能会二三百年不腐烂，废塑料制品混在土壤中影响农作物吸收养分和水分会导致农作物减产。

Owner Chen Hou-hua believes that the current economic crisis is already feeling the impact of a number of factories in southern Jiangsu closed or reduced production, and some construction sites slowed down the progress of the works, especially the iron and steel enterprises along the river, sea Jin Jiang ore decline in demand, the impact of the transport business.

船主陈厚华认为，目前已感到经济危机的影响，苏南的一些厂关门或减产了，一些建筑工地的工程进度放慢了，特别是沿江的钢铁企业，对海进江矿石的需求下降，影响了运输生意。

Brazil and India, adverse weather factors make the market cut expectations rose to the international raw sugar futures provided a boost.

巴西和印度的不利天气因素使得市场出现减产预期，给国际原糖期货上涨提供了助力。

It showed that slightly root cutting can stimulate activity and increase yield for varieties with large root/shoot ratio.

根冠比较小的品种二青矮则在不同程度的断根处理中均为大幅度减产，主要由于每穗粒数和结实率有所下降。

"Excessive bankruptcies and production cuts will lead to massive unemployment and stir social unrest," he said.

&过多的破产和减产将导致大规模失业和引发社会动乱。&他说。

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％。