杉木连栽土壤对其幼树生长的影响-应用生态学报.PDF

中国农业科学 2005,38(12):2486-2491 Scientia Agricultura Sinica 高分子吸水树脂对果树增产保墒的影响 1 1 1 2 3 韩玉国 ，杨培岭 ，徐 磊 ，刘洪禄 ，毕勇刚 1 2 3 （中国农业大学水利与土木工程学院，北京 100083; 北京市水利科学研究所，北京 100044; 北京水利水电技术中心，北京 100073 ） 摘要：通过两年来对高分子吸水树脂在果树生长上的试验研究，分析了其与黄腐酸类产品配合施用情况下， 对土壤墒情、果实生长、果实产量和叶片光合作用的影响。结果表明，施用高分子吸水树脂可提高土壤墒情、加 速果实生长、提高果实产量，同时对叶片光合作用也有提高作用。平均年增产2 957～3 766 kg·ha-1 ，年均增加利 润3 417～4 394元/ha。 关键词：高分子吸水树脂；土壤墒情；果树生长；光合作用 Studies on Increase of Yield and Soil Moisture of Fruit Tree by Using Super Absorbent Polymers 1 1 1 2 3 HAN Yu-guo , YANG Pei-ling , XU Lei , LIU Hong-lu , BI Yong-gang 1 2 （ College of Hydraulic and Civil, China Agricultural University ，Beijing 100083 ； Beijing Hydraulic Research Institute ， Beijing 100044 ；3 Center of Hydraulic and Hydropower Technology of Beijing ，Beijing 100073 ） Abstract: The experiments on growth of fruit tree by using super absorbent polymers were conducted in two years and its effects on soil moisture, fruit growth, fruit yield and photosynthesis under the condition of using it together with fulvic acid were analyzed. The result showed that the use of super absorbent polymers increased soil moisture, accelerated fruit growth, increased fruit yield, and improved photosynthesis of the leaves. The results showed that yield increased by 2 957-3 766 kg per hectare and the economic benefit increased by 3 417-4 394 yuan per hectare. Key words: Super absorbent polymers; Soil moisture; Gr