查询词典 rye grass

Some fields are infested with wild oats and rye grass (Lolium spp.). Twenty-eight per cent of fields in the 1984 survey were moderately or severely infested with Phalaris minor and these fields yielded 1.4 t/ha compared to 1.9 t/ha for fields without weeds.

一些田块受野燕麦和黑麦草的侵害。1984年的调查表明28%的大田中度或严重受到小粒虉草的侵害，这些田产量为1.4吨/公顷，而无草害田块产量是1.9吨/公顷。

This experiment that 75 mg / L concentration of the most appropriate for future experiments in the screening of the large concentration of rye grass seed.

所以。本实验的认为75mg/L的浓度最适宜作为今后实验中筛选黑麦草种子大的浓度。

Thick stands of wild rye grass mingled with yellow coneflower in the new territory.

野生黑麦草和金花菊茂密地覆盖了在这片新领地。

Effects of application of sesame cake, humic acid and ploughing back of alfalfa and rye grass on the growth and quality of tobacco were studied in the field experiment.

通过田间试验研究了施用芝麻饼肥、殖酸和翻压苜蓿、麦草对烤烟生长发育和烟叶品质的影响。

Results indicated that the growth and quality of tobacco were improved by the application of sesame cake, humic acid and rye grass.

结果表明，施用芝麻饼肥、殖酸以及翻压苜蓿、麦草均有促进烟株生长发育和提高烟叶品质的作用。

Thick stands of wild rye grass mingled with yellow coneflower in the new territory.

野生黑麦草和金花菊茂密地覆盖了这片新领地。

Therefore, this experiment that 75 mg / L concentration of the most appropriate for future experiments in the screening of the large concentration of rye grass seed, can be eliminated with this concentration of poor resistance to many of the seeds and improve the quality of ryegrass seed plants can enhance fertility.

所以，本实验的认为75mg/L的浓度最适宜作为今后实验中筛选黑麦草种子大的浓度，用此浓度即可淘汰许多抗性差的种子，提高黑麦草种子的质量增强植株可育性。

There were no negative relationships between shearing force and DM, NDF degradability of rye grass.

黑麦草茎剪切力与养分降解率之间无显著相关。

Planting winter cover crops, such as rye grass, reduces nitrous oxide emissions and boosts levels of organic matter in the soil, which makes for more fertile soil.

种植冬季复盖作物，如黑麦草、氧化亚氮排放量降低了层次，增强了土壤有机质，使得更多的沃土。

Under sunny condition,air temperature in the areas with intercropping of rye grass increased with increase in height in the all day,but the vapor pressure decreased with increase in height;air temperature in those areas without intercropping decreased with increase in height in the day and increased in the evening.

在晴天，黑麦草套种区近地层的空气温度均随离地高度的增加而升高，但水汽压均随高度增加而减小；在自然裸露区，白天空气温度随离地高度的增加而减小，夜间温度梯度方向和白天相反。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。