田间的

Nowadays, the pest mites are increasingly becoming rampant, such as the spider mites, eriophyid mites and tarsonemid mites which can cause damage to crops and forestry plants and acarid mites which can harm plants both in storage and the field.

近年来，害螨为害日益猖獗，如田间作物上的叶螨、瘿螨和跗线螨，以及田间和室内均可发生的粉螨等。

Packing on field is certifiable only if it concerns final packing and last human contact during the process.

如果田间包装是终包装产品并且是加工中的最后一道工序，只有在这种情况下田间包装的产品才可认证。

Farm food products, dry field farming, so that the city kids to experience the hard field-work and food precious.

品农家美食，干田间农活，让城里孩子体验田间劳作的辛苦和粮食的珍贵。

Methoxychlor,salithion,phoxim,triazophos,Lorsban,tirchlorfon,Marshall,RH5849,chlorfluazuron,cyromazine,imidacloprid and Regentfor controlling rice water weevil using conventional spray method of the recommend concentration,was tested.

按农药田间药效试验准则试验了 12种杀虫剂的常规用量之常量喷雾防治稻水象甲的田间药效。

Frequency Domain Reflectometry is an effective instrument of measuring soil volumetric water content, but it need a good calibration.

为了获得精确的土壤含水量测定数据，在室内和田间分别进行了频率域反射仪测定土壤含水量的校正，并在田间运用土钻取样和烘干法对模型参数进行了验证。

The results showed that there are significantly different in growing period of Salvia Splendens under natural high temperature.

本试验研究了9个一串红品种在田间自然高温下的生育期及田间生长指标的变化情况。

Calculation of irrigative institution: making use of the data transmitted by the sensor installed in fields and irrigation ditches, with the calculation procedure of irrigative institution, to work out the demanded volume of water for fields.

灌溉制度计算：利用安装在田间和渠道中的传感器传来的数据，通过灌溉制度计算程序，算出田间需水量。

Pot and field experiments were conducted to study the response to application rate of urea labeled with ~(15)N combined with compound nitrogen fertilizer synergists in the growth,yield,uptake and utilization rate of urea of maize,In pot experiment,the standard urea application rate is 120mg/perpot;in field experiment,the standard urea application rate is 157.5kg/hm~2. Maize with ~(15)N-lurea.

用15N-尿素进行盆栽和田间试验(盆栽试验尿素标准用量为120mg/盆，田间试验尿素标准用量为157.5kg/hm2)，研究了复合氮肥增效剂用量、尿素减量与复合氮肥增效剂配施对玉米生长、籽粒产量和氮素吸收利用的影响。

The field water capacity, wilting coefficient and effective water content have negative correlation with crop water requirement, and the linear negative correlation of field water capacity, effective water content and crop water requirement is above the significant level.

土壤田间持水量、萎蔫系数、有效水含量均与作物需水量呈负相关关系，其中，田间持水量、萎蔫系数与作物需水量的线性负相关均达显著水平以上。

They can sing high in the field,ride horses along a brook and do interesting farm work.

他们可以在田间高声歌唱，沿着小溪骑马，做些有趣的田间劳动。

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。