田间

Bait with 40000 nematodes per plant killed 68.53%of black cutworm on average.

毒饵法（线虫剂量为40000条.株-1）防治小地老虎的田间平均防治效果可达68.53％.

The farmers were distributing manure over the field.

农民们正在田间施肥。

A ditch diverted water from the stream into the fields.

一条沟渠把水从河里引向田间。

Therefore, these methods deserve to be extensively applied in quarantine and control of codling moth in China.

因此，这些结果为苹果蠹蛾的内外检疫和和田间控制提供了重要的参考。

Simple Application: How to distinguish the harmful characters of chewing mouthpart and sucking mouthparts?

在田间如何鉴别咀嚼式口器和刺吸式口器的为害特征？

Severe“ whiptail” condition in field specimen from and acid soil . Bare midribs or very narrow residual lamina.

甘蓝缺钼“尾症：在田间试验和酸性土壤上有严重的尾症状，中脉突出，狭小的叶片残留。

Field experiment was conducted to investigate the effects of treflan injection on dripper clogging and root distribution,yield and quality of winter wheat.

通过田间试验,研究了地下滴灌施加氟乐灵对滴头根系入侵堵塞的控制效应及其对冬小麦产量、品质和根系分布的影响。

The chemical control under field test showed that 75% Daconil WP and 58% Ridomil-MZ WP obtained the best control of this disease.

在田间行药剂筛选，以75%四氯异苯腈及58%锌锰灭达乐混合可湿性粉剂效果最佳。

Decomposition of mixed foliar litters from the four typical plantitions in upper reaches the of the Minjiang River was studied by using the litterbag method.

摘要龙分解袋的方法，对四川岷江上游地区连香树、云南松、糙皮桦和云杉4种典型人工林凋落叶进行田间混合分解试验。