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[热点] 2025 - Greene's Protective Groups in Organic Synthesis - 6th Edition asymmsyn 2026-01-16 刚刚
[农林综合] [已完结]水培实验方案的设计（统计高手进啊！） (评阅+1) (3/1018) 学员x4ipC2 2011-07-15 2011-07-16 23:29:45 by ly197408
[水产] [已完结]有谁知道鱼的氮素含量怎么测定吗？ (4/666) huzhen885 2011-07-14 2011-07-14 18:18:28 by 缺友情
[园艺] [已完结]一些生理问题    ( 1 2 ) (11/1029) lw2100 2011-07-04 2011-07-12 12:42:04 by henry520524
[畜牧兽医] [已完结]谁有兽药产业发展报告2009，发给我，谢谢 (6/1210) appman 2011-05-25 2011-07-11 13:27:05 by 小二郎哥
[植保] [已完结]果树叶螨的药剂防治 (2/932) xudong-2009 2011-07-11 2011-07-11 13:01:47 by ly197408
[林学] [已完结]急求松香铁钴比色标准溶液的配制方 (0/512) 科科220 2011-07-09 2011-07-09 21:41:41 by 科科220
[植保] [已完结]求助植物病毒方面的中英文期刊杂志？ (2/1104) wzc4884 2011-06-06 2011-07-08 23:52:00 by wzc4884
[农林综合] [已完结]测光和出现问题 (0/182) lw2100 2011-07-08 2011-07-08 22:38:30 by lw2100
[林学] [已完结]PCR之后条带很不清晰，请问有什么改进方法？ (评阅+1) (金币≥1)(5/78) heimei0211 2011-07-06 2011-07-08 17:56:33 by 十一月
[农林综合] [已完结]请教钙镁磷肥和硫酸镁混合制粒会增加肥料作用还是降低作用？ (4/3556) lianglianghu 2011-07-08 2011-07-08 12:38:35 by ly197408
[植保] [已完结]PXO99和PXO99A的区别 (0/920) lixinlx79 2011-07-08 2011-07-08 09:56:03 by lixinlx79
[植保] [已完结]请问Tetramesa romana 是啥 (0/341) 小阿哥 2011-07-08 2011-07-08 09:51:49 by 小阿哥
[植保] [已完结]敌敌畏，用80％乳油对水1000倍喷雾,换算成质量浓度是多少？ (4/1194) 铖色天空 2011-07-04 2011-07-07 14:54:02 by 铖色天空
[林学] [已完结]求助电子版书 (0/319) batian2000 2011-07-07 2011-07-07 13:14:10 by batian2000
[作物] [已完结]关于作物模拟模型的数据如何分析 (评阅+1) (1/641) wx860910 2011-07-05 2011-07-06 21:40:59 by qumingnan
[作物] [已完结]张宪政. 作物生理研究法. 北京: 农业出版社, 1992: 140–142, 197–198 (1/1759) zfe915 2011-07-05 2011-07-06 13:02:12 by 木虫/panda
[植保] [已完结]被蜜粉蛰了 (农林EPI+1)(6/1784) taojia7560 2011-07-05 2011-07-06 10:54:33 by 木虫/panda
[农林综合] [已完结]碳13葡萄糖在果树上如何利用 (1/3439) wcis250 2011-07-06 2011-07-06 10:37:58 by 木虫/panda
[作物] [已完结]求文献 (0/194) zfe915 2011-07-05 2011-07-05 16:21:33 by zfe915
[作物] [已完结]何钟佩, 农作物化学控制实验指导. 北京: 北京农业大学出版社, 1991: 60-65. (金币≥10)(0/37) zfe915 2011-07-05 2011-07-05 16:19:57 by zfe915
[作物] [已完结]]章骏德, 刘国屏, 施永宁. 植物生理实验法. 南昌: 江西人民出版社, 1982: 52-57 (金币≥10)(1/27) zfe915 2011-07-05 2011-07-05 13:23:51 by 木虫/panda
[农林综合] [已完结]阿维毒素、多杀菌素不能杀死哪种虫子或卵？急 (2/372) xiaohong88 2011-06-30 2011-07-04 23:21:26 by lw2100
[植保] [已完结]矿物油蒸馏设备有谁知道？ (0/191) 金鑫891 2011-07-04 2011-07-04 22:36:10 by 金鑫891
[作物] [已完结]试验数据 (8/1068) taojia7560 2011-06-29 2011-07-04 11:08:54 by jzhe961
[植保] [已完结]博士做什么呢？ (5/729) 硫化钠 2011-06-30 2011-07-04 10:19:59 by flypigging
[农林综合] [已完结]帮忙看下图上“工”是什么意思？是最大、最小值吗？origin怎么弄上去的？谢谢！    ( 1 2 ) (11/2795) ziyouao111 2011-05-25 2011-07-04 09:58:52 by flypigging
[畜牧兽医] [已完结]小孔雀舌头发白，全身冰冷是什么原因？ (1/653) wxl-soaring 2011-06-26 2011-07-03 14:17:10 by zhuxiugao
[农林综合] [已完结]求助CID的CI-301光合作用仪说明书 (1/479) xiang320513 2011-07-01 2011-07-03 10:23:18 by ly197408
[植保] [已完结]在工程应用中，对农药配比时，农药质量浓度（ug/l或mg/l）在多少范围？ (2/433) 铖色天空 2011-07-02 2011-07-02 20:39:06 by 小法师
[畜牧兽医] [已完结][关贴]【急用，求助】 允许使用的抗生素饲料添加剂，最新的 (2/387) okjstor 2011-07-01 2011-07-02 08:03:54 by yjlfirst
[农林综合] [已完结]专业符号 (3/567) Vincent1984 2011-06-29 2011-07-01 19:58:29 by yjlfirst
[植保] [已完结]请教植物病毒问题 ~~~ (5/815) z340624808 2011-04-22 2011-06-28 16:30:31 by leesya
[林学] [已完结]林产化学抽提问题~~在线等 (3/827) 水煎包 2011-06-27 2011-06-28 15:01:07 by 水煎包
[农业资源] [已完结]测土配方施肥 实验室各种仪器购置及其价位 (5/1475) lvning 2011-05-03 2011-06-26 21:23:01 by 出棋不意
[农林综合] [已完结]试问：干旱锈病的西部小麦方向研究突破点    ( 1 2 ) (10/890) nap007_2002 2011-06-20 2011-06-26 19:55:21 by ly197408
[农业资源] [已完结]里斯托瓦尔石是什么东西？ (3/925) tjyaya 2011-06-16 2011-06-26 18:03:43 by no87843319
[水产] [已完结]我想看催乳素在鱼体内的分布，用什么方法，具体点···    ( 1 2 ) (12/1339) 小二郎哥 2011-05-25 2011-06-26 11:14:50 by zqfood
[植保] [已完结]请对苯醚甲环唑，戊唑醇，丙环唑介绍 (3/1038) lw2100 2011-06-19 2011-06-25 22:16:32 by zhou341122
[农林综合] [已完结]【求助】秸秆样品总可溶性糖检测方法 (0/266) jason796 2011-06-24 2011-06-24 11:38:20 by jason796
[植保] [已完结]哪里可以买到五氯磺草胺的原料？ (2/488) amghuang 2011-06-23 2011-06-23 23:12:40 by 木虫/panda
[农业资源] [已完结]请问谁有无公害栽培或是有机栽培方面的申报书，借来学习一下，是什么物种没关系。 (3/740) hz-daniel 2011-06-13 2011-06-22 23:01:24 by hz-daniel
[作物] [已完结]pre-heading是什么意思？ (4/1233) zhanglei847833 2011-06-02 2011-06-21 08:50:47 by 蓝皮鼠7983
[植保] [已完结]北京周边斑潜蝇发生情况哪里可以查询到？ (1/433) hutudgr 2011-06-18 2011-06-20 16:10:35 by yatou575
[植保] [已完结]胡萝卜苗后防治阔叶杂草的药物有哪些？ (2/844) 1031020004 2011-06-10 2011-06-19 18:40:47 by 1031020004
[植保] [已完结]今年来水稻细条病的的发病情况 (0/237) wangya2010 2011-06-19 2011-06-19 11:31:22 by wangya2010
[农林综合] [已完结]赤霉素膏剂 (3/1214) dongchao 2011-06-14 2011-06-19 09:44:00 by dongchao
[畜牧兽医] [已完结]诚求 畜牧场岗位编制及其职责。。。 (1/541) iamyeah 2011-06-16 2011-06-16 17:02:47 by 木虫/panda
[作物] [已完结]烟草分析都分析什么?求助于高手！ (2/633) 长_风 2011-06-08 2011-06-16 15:42:01 by jwpeng2000
[植保] [已完结]南美斑潜蝇虫源求助 (1/256) hutudgr 2011-06-15 2011-06-15 17:10:13 by long6265
[林学] [已完结]求助《森林资源专项分析——第七次全国森林资源清查》中松树资源部分内容（报酬双方商 (0/324) 虫妹妹 2011-06-15 2011-06-15 09:34:30 by 虫妹妹
[园艺] [已完结]求图片下载网址 (1/321) aiguaile 2011-06-13 2011-06-13 15:33:35 by 木虫/panda
[已完结]急！！！！离散型随机变量的方差分析和多重比较 (评阅+2) (2/2135) mengyl2004 2011-06-03 2011-06-11 11:07:58 by mengyl2004
[农林综合] [已完结]现阶段，可以用于生物防治的抗生物质有哪些 (4/685) taoyao117 2011-06-06 2011-06-10 16:29:52 by jieer_v
[畜牧兽医] [已完结]玉米蛋白粉中蛋白是不是已经变性 (5/1575) zhshaoke 2011-06-03 2011-06-10 09:03:58 by 孟俊英
[植保] [已完结]求作物农药残留的步骤 (1/381) 余恨 2011-06-07 2011-06-07 23:06:15 by 木虫/panda
[园艺] [已完结]有关种子水培的 (2/333) zhhuijun 2011-06-06 2011-06-06 23:48:54 by yanyading
[园艺] [已完结]测叶片相对含水量 (4/1601) lw2100 2011-05-30 2011-06-04 22:22:25 by lw2100
[农林综合] [已完结]求高人指点几种 受光照影响较大 的观赏性植物？ (评阅-10) (1/546) seekerboy 2011-05-04 2011-06-04 16:29:13 by 木虫/panda
[园艺] [已完结]求教关于绿化问题 (4/718) ninesnow 2011-06-02 2011-06-03 13:36:57 by ninesnow
[植保] [已完结]求助一篇文献 (0/243) ytflark 2011-06-02 2011-06-02 17:18:27 by ytflark
[农林综合] [已完结]原子吸收分光光度法测定植株中钙镁前期干灰化处理的问题（已搜索无重复） (5/1136) sui422 2011-06-01 2011-06-02 15:49:16 by sui422
[农林综合] [已完结]小麦和玉米的秸秆重量 (4/1474) cheshg 2011-05-17 2011-06-02 01:19:49 by upboxer
[植保] [已完结]大家帮忙寻找文献 (9/1090) ytflark 2011-05-13 2011-05-31 23:23:54 by ytflark
[植保] [已完结]请教一下生物测定 (3/845) 恶灵骑士 2011-05-07 2011-05-31 15:30:51 by zoe_ji2009
[农业资源] [已完结]有没有谁知道如何辨别野生油菜？ (1/384) luludede 2011-05-31 2011-05-31 11:50:49 by 木虫/panda
[园艺] [已完结]请懂植物的看下这是什么？ (评阅+1) (6/811) ~春梦秋云~ 2011-04-27 2011-05-31 09:00:34 by chenyun080
[作物] [已完结]鞭尾病 (2/1290) 回忆123 2011-05-30 2011-05-30 15:14:02 by 木虫/panda
[植保] [已完结]农药生测 肉芽肿病变 (0/148) 2008102128 2011-05-30 2011-05-30 15:11:05 by 2008102128
[畜牧兽医] [已完结]求助伴性遗传的一道问题 (3/626) baobaoyang 2011-05-26 2011-05-28 00:28:08 by SUXING2008
[农林综合] [已完结]（急）求助——“爷爷”和“孙子”的关系 (8/1223) Crescendo 2011-05-26 2011-05-27 08:06:34 by Crescendo
[农林综合] [已完结]谁能帮我解释一下“气孔限制值”这个名词到底是什么意思 (3/4534) lmand1 2011-05-26 2011-05-26 22:12:24 by 木虫/panda
[畜牧兽医] [已完结]求高手翻译一下 (6/746) whate0545 2011-05-23 2011-05-25 19:04:07 by xiaozhan063
[水产] [已完结]Biodiversity and conservation杂志怎么样，审稿快么？谁投过？ (1/906) 幻影坦克 2011-05-16 2011-05-24 14:46:34 by minor
[水产] [已完结]向各位前辈请教 (评阅-1) (2/669) sunzhiwu000 2011-05-20 2011-05-22 18:23:22 by 小鱼小雨
[作物] [已完结]请问目前水稻育秧盘的主要成分是什么？　 (0/897) benjamming 2011-05-18 2011-05-18 14:45:01 by benjamming
[农林综合] [已完结]大樱桃裂口 (3/741) erickliu 2011-05-17 2011-05-18 11:26:39 by zjhzky
[农林综合] [已完结]马铃薯出口企业 (0/190) sars33 2011-05-17 2011-05-17 08:41:06 by sars33
[作物] [已完结]matlab做次数分布图的histfit命令 (0/1481) majuanjuan2596 2011-05-16 2011-05-16 20:11:39 by majuanjuan2596
[农林综合] [已完结]2011中国的农业政策是什么 (1/431) qingqing1 2011-05-15 2011-05-15 16:49:08 by 木虫/panda
[林学] [已完结]当前林学或林业上的研究热点有哪些？ (3/1657) 2010sea 2011-05-10 2011-05-11 23:05:11 by ynyaf
[植保] [已完结][关贴]悬浮体系流变学 (2/348) ndhuajiu 2011-05-06 2011-05-11 09:43:12 by ndhuajiu
[农林综合] [已完结]土壤酸碱调节液 (0/348) qiyushzu 2011-05-10 2011-05-10 17:52:57 by qiyushzu
[农林综合] [已完结]粤北经济林选种 (1/418) 有机精细 2011-05-07 2011-05-09 11:49:07 by juzhen0711
[植保] [已完结]河南农科院招博士现场要学位证吗？ (3/822) holy518125 2011-05-06 2011-05-06 20:46:03 by holy518125
[农林综合] [已完结]求助 (1/382) hello飘过 2011-05-05 2011-05-06 10:45:21 by sj1972
[园艺] [已完结]【已完结】请问根域和根际有什么区别 (农林EPI+1)(5/1127) lw2100 2011-04-19 2011-05-05 21:42:55 by lw2100
[农业资源] [已完结]求一些渔业统计数据，学校图书馆查不全呐！望高人救助 (0/300) feiye2214 2011-05-05 2011-05-05 19:26:57 by feiye2214
[作物] [已完结]酶活性测定 (4/696) zanghecang 2011-04-21 2011-05-03 20:28:47 by swbslp
[水产] [已完结]THB 总异养细菌量怎么测啊 (0/370) lystar01 2011-05-02 2011-05-02 09:24:07 by lystar01
[农林综合] [已完结]如何根据气候和土壤水分状况设置不同的干旱处理梯度？ (1/705) sawssy 2011-04-30 2011-04-30 13:16:47 by chenjuan309
[园艺] [已完结]请问土中的苹果烂根会对新种的苹果树有影响吗 (4/1137) lw2100 2011-04-29 2011-04-29 19:31:34 by lw2100
[作物] [已完结]作物产量评估模型 (0/661) sj1972 2011-04-29 2011-04-29 16:51:15 by sj1972
[农林综合] [已完结]求助一植物水分生理名词 (0/347) 虎爪 2011-04-29 2011-04-29 14:37:58 by 虎爪
[农林综合] [已完结]求助有关小麦多酚氧化酶提取！ (0/279) lslsdjn 2011-04-29 2011-04-29 10:57:10 by lslsdjn
[畜牧兽医] [已完结]求大学宠物营养类专家 (0/334) zhshaoke 2011-04-28 2011-04-28 17:40:04 by zhshaoke
[农林综合] [已完结]培养箱温度控制 (6/1175) durui0409 2011-04-24 2011-04-27 09:20:21 by flypigging
[农林综合] [已完结]谁能帮我介绍一下现在有机农业的相关研究 (2/335) lmand1 2011-04-22 2011-04-26 09:46:36 by ermeihappy
[作物] [已完结]“库”活性的评价指标有哪些？ (3/462) chai沙沙 2011-04-22 2011-04-25 09:24:16 by flypigging
[农林综合] [已完结]活性炭磷酸的消耗 (0/221) w19860107 2011-04-22 2011-04-22 16:23:38 by w19860107
[作物] [已完结]【已完结】求华北平原冬小麦夏玉米主要品种 (8/1366) fly0805 2011-04-20 2011-04-22 12:55:36 by userwater
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