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The polymer structure is characterized with IR, NMR and is proved to be PASP. The suitable reaction temperature and time are 220℃～240℃ and 3-4 h at no catalyst in the fields of scale inhibition and fertilizer synergia.

反应机理和实验数据表明，在本文研究范围内，无催化的缩聚反应属于三级反应，生成聚合物聚合度的平方与天冬氨酸初始浓度的平方和反应时间成正比。

An experiment on artificial soils consisting of peat , sand and cooking coal ash suggests that the optimum ratio of peat and sand lor best growth and fertilizer efficiency is 75:25 or 50:50 in volume for Chrysanthemum and Tagetes erecta .

用泥炭、河砂和煤渣分别组成花卉营养土的试验表明，泥炭与河砂以75∶25或50∶50容积比例组成的基质对黄菊和万寿菊的效果最好，肥料效率也最高，煤渣的效果明显低于河砂；从组分的细度看，河砂以粒径2—0.15mm最好，煤渣在使用前除去过细部分会大大提高其利用价值。

The results indicated that application of compost and chemical fertilizer increased the concentrations of available P in soil at TARI.

试验结果显示，就农业试验所土壤而言，施用堆肥及搭配化学肥料的处理，可以使土壤有效性磷增加。

Green house experiments as well as field experiments will be conducted at TARI, 6 district improvement stations, and some farmers' farms. A workshop for reviewing and discussing performance of past and future soil and fertilizer projects will be held at Hwalien.

试验将分别於农试所、各区改良场或合作试验之农民田区举行，且亦将出版87年期之土壤肥料试验报告一册，举开检讨会一次，共同商定有关土壤肥料试验研究重要课题。

It is the relative simple,safty,effective method that reduction of sodium thiosulphate instead of chromium power in determination of nitrate nitrogen in fertilizer.

肥料中硝酸态氮检测中，用硫代硫酸钠代替铬粉还原，是一种相对简便、安全、有效的方

The results showed that appropriate amount of potassium fertilizer could increase the contents of soluble solids and vitamin C in harvest, and reduce titratable acid content in fruits; slow down the reduction of fruit titratable acid content under refrigeration, inhibit the increase of the content of soluble solids and losses of vitamin C, and well preserve the quality of fruit and its storability.

结果表明适量增施钾肥能提高无花果采收时可溶性固形物含量和维生素C含量，降低果实可滴定酸含量；减缓冷藏期间果实可滴定酸含量的下降，抑制果实可溶性固形物含量的上升和维生素C的损失，较好地保持了果实的品质，提高了果实的耐贮性。

The effect of compound fertilize on the trampling resistance of Shanghai JD-1 Zoysia was tested through simulative tramper. The results showed that both aboveground phytomass and green grass rate were increased along with the application amount of compound fertilizer with or without the trampling stress.

通过践踏器模拟践踏，研究氮、磷、钾复合肥对践踏胁迫下上海&JD-1结缕草&草坪耐践踏性的影响，结果表明：非践踏区和践踏区内，结缕草Zoysia japonica的地上生物量和绿叶率随着复合肥用量的增加而增加。

The invention provides a foliar fertilizer specially used for Chinese gooseberries, which has the functions of cold resistance and consists of the following raw materials according to weight percentage: 0.1 to 8 percent of DMSO, 0.05 to 5 percent of trimethylene glycol, 0.05 to 5 percent of salicylic acid, 0.05 to 2 percent of compound ammonium nitrate, 1 to 15 percent of humic acid, 0.5 to 10 percent of chitosan, 1 to 10 percent of citric acid, 2 to 15 percent of urea, 1 to 10 percent of borax, 1 to 20 percent of zinc sulfate, 0.5 to 10 percent of ferrous sulfate, 0.05 to 5 percent of ammonium molybdate, 1 to 15 percent of manganese sulfate, 0.1 to 2 percent of SDBS and 35 to 80 percent of water.

本发明提供一种具有抗寒作用的猕猴桃专用叶面肥，它由下述各组分重量百分比的原料组成：二甲基亚砜0.1％～8％、丙二醇0.05％～5％、水杨酸0.05％～5％、复硝铵0.05％～2％、腐殖酸1％～15％、壳聚糖0.5％～10％、柠檬酸1％～10％、尿素2％～15％、硼砂1％～10％、硫酸锌1％～20％、硫酸亚铁0.5％～10％、钼酸铵0.05％～5％、硫酸锰1％～15％、十二烷基苯磺酸钠 0.1％～2％、水35％～80％。

The study on effects of water and fertilizer spatial coupling on biological characteristics and biomass of winter wheat Triticum aestivum L.

研究水肥空间组合对冬小麦形态指标及生物量的影响，对指导旱地施肥具有一定理论和实践意义。

The results showed as follows:Maize grown in the treatment of compound fertilizer containing urea alone had significantly lower germination rate than the maize receiving mixed CO(NH2)-N/NH4+-N or mixed NO3——N/NH4+-N in compound fertilizers in Udic Isohumisols.However,there was no significant affect of nitrogen forms on maize germination rate in Udic Cambosols.

结果表明，在黑土上，施用酰胺态氮为单一氮素形态的复混肥料时，玉米的出苗率明显下降；而用部分铵态氮替代酰胺态氮后制成的混合态氮和由铵态氮与硝态氮构成的复混肥对玉米的出苗率影响较小；不同氮素形态配比的复混肥对潮土上生长的玉米出苗影响较小，各处理的出苗率可达到90%以上。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。