这一结果与前茬作物是一致的。
不可选用前茬作物对苗木易感染病害和地下害虫严重的土地。
Previous Crops can not use crop diseases and soil pests susceptible seedlings serious land.
通过盆栽试验研究了前茬季节稻草还田时间对稻田ch 4排放的影响。
A pot experiment was carried out to investigate the effect of rice straw application time in the previous crop season on CH4 emissions from rice field.
与前茬种植大豆相比，前茬作物水稻促进了后季麦田土壤硝化-反硝化作用。
Compared with the previous crop type of soybean, rice planting in the previous season accelerated soil nitrification-denitrification rate in the following wheat season.
土壤微生物活度在水稻生长过程呈增加的趋势，前茬冬季覆盖作物区明显高于冬闲田。
The former-stubble crop treatments were higher amount of microbe than winter fallow stubble during early rice growth.
新施于花生的肥料对花生产量不产生影响，根本原因在于前茬作物玉米已施过较高水平的肥料。
The fresh applied fertilizers to groundnut did not affect the groundnut yield, essentially because higher levels had already been applied to previous maize crop.
通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied.
前茬作物、播种方式、耕作制度和气候条件等都通过影响玉米的播期或灰飞虱的发生数量来间接影响当地或当年病害发生的轻重。
The others such as previous crops, sowing way for maize, cropping system and the climate were indirect factors, which affected the sowing date or amount of planthopper.
结果表明：所有不同放牧小区的四种牧草牧前高度远远低于对照小区，而且留茬高度差异不大。
The results showed that : all the pastures in different grazing communities were more lower than control, and the difference of the stubble heights was small.
为此，在国内首次研发了适合于这种模式的前限深圆盘破茬后水平圆盘清垄的独特结构。
The unique structure of smooth and depth disc coulter combined with horizontal disc cleaning residues for the mode is first researched in China.
小前犁，刮茬铲附置在犁上的三角形装置，用来将茬渣或垃圾覆盖在犁沟内。
A triangular attachment to a plow used in covering trash or refuse.
1996年在稻茬免耕小麦田，进行了播前和播后药剂除草试验。
In 1995-1996, field trials with herbicides to control weeds in rice stubble wheat field were carried out.
1996年在稻茬免耕小麦田，进行了播前和播后药剂除草试验。
In 1995-1996, field trials with herbicides to control weeds in rice stubble wheat field were carried out.
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