生物钾肥的应用及其对水稻生长的有效性
USE OF BIOLOGICAL POTASSIUM FERTILIZER AND ITS EFFECT ON THE GROWTH OF RICE
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摘要: 本文阐述了近年生物钾肥寻求和应用的简况。分析了稻草回田的供钾特点、施用方法和钾素肥效,概述了水花生、水浮莲、红萍等水生绿肥的富钾能力和特点,以及生物钾肥对水稻生长的有效性,比较了几种生物钾肥的施用方法及其供钾效益。本文对生物钾肥开发与应用提出看法和建议,并讨论了今后寻求富钾植物的潜力和可能的途径。Abstract: In this paper, how biological potassium fertilizers have been sought for and used in recent years has been summarized; the character of supplying potassium by incorporating rice straws into paddy fields as well as its application method and efficiency has been analyzed; the ability to enrich potassium and characters of Alternanthera philoxeroides(Mart.), Pistia stratiotes L. and Azolla as well as the effect of biological potassium fertilizer on the growth of rice have been discussed; comparisons have been made of different application methods of different biological fertilizers and their different benefits; views and suggestions as to the development and use of biological potassium fertilizers have been given; and the potential and possible ways of seeking for potassium-rich plants have also been dealt with.
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[3] 翁伯琦,1982,大有可为的生物“钾肥厂”.农村科学 11:10-11. [5] 谢建昌,1979,我国主要土壤钾素养分供应潜力与需钾前景.中国土壤学会1979年学术年会论文集,1:130. [11] 彭克勤,1936,空心莲子草K+吸收动力学研究.植物生理学报12(2)187-193. [19] 刘中柱等,1986,红萍富钾生理研究,Ⅱ,红萍钾对水稻生长的有效性.中国农业科学5:59-64. -
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