日戳

Inverted surcharge of "temporarily used for" 2c on 3c junk 1st peking print, used on piece, tied by shanghai dater on sep 24, 1924, this stamp has the same position from the setting as that listed on p.270 of "prize selections爁rom the rocpex taipei'81", only about 20 pieces believed to exist, well-known as one of the "four rarities of republic of china", from overseas collector, extremely precious, vf rmb:

贴北京一版帆船加盖"暂作"改值邮票2分/3分倒盖变体剪片，销上海1924年9月24日戳，颜色鲜艳，齿孔完整，此票与台湾《邮展选萃》270页图为同一位置版式，存世仅二十枚左右，为"民国四珍"之一，此票源自海外藏家，首次在中国大陆拍卖会上出现，极少见，上品

Special 1c green 3rd issue cip postal card, space of inner frame is 116mm, space between top of the postage design and bottom line of upper frame is 2.5mm, uprated with 1c amp;2c cips, tied by chungking of szechwan lunar dater, chungking small cds alongside, with shanghai transit cds and shanghai german po in china cds, very rare for this particular card used in the 1st year of issuance, vf-f rmb:

1907年重庆寄德国清三次邮资明信片，为清三次片特殊版式，内框距为116mm，邮资图上端与上框下线距离为2.5mm，加贴蟠龙邮票1分、2分各一枚，销"四川重庆丁未九月三十日"干支戳，旁盖重庆11月5日小圆戳，有上海11月18日中转戳及上海德国客邮局11月18日戳，清三次片特殊版极少见，而首年使用更少见，是清代邮政用品邮集上乘素材，上中品

Registered cover sent to philatelist julius maus, f.w. small dragon 1ca, empress dowager issue 1ca, 4ca amp;12ca, tied by newchwang dater, quot;rquot; registration handstamp alongside, shanghai transit cds, added with quot;chinequot; overprint on french peace amp;commerce 50c, tied by shanghai chine cds, with germany arrival marking, rare.

1900年牛庄寄德国莫斯挂号封，贴小龙邮票1分银、慈禧寿辰邮票1分、4分、12分各一枚，销牛庄5月16日戳，旁盖"r"挂号戳，有上海5月23日中转戳，经上海法国客邮局，贴加盖"chine"客邮邮票50生丁一枚，销法国客邮局5月25日戳，有德国6月30日到达戳，少见，保存完好。

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。