CAJ | 학술논문

施肥是速生丰产林培育的重要技术环节，科学施肥能有效地提高林地生产力。采用4因素4水平的正交试验设计，就配方施肥对西南桦幼林植株生长的影响进行了研究。结果表明，（1）施肥处理对西南桦植株高生长和径向生长具有促进作用，高生长最大提高幅度达55％，径向生长最大提高幅度达101％；（2）4种肥料对西南桦高生长影响的主次顺序为氮肥＞复合肥＞磷肥＞钾肥，高生长的最优组合为N3P2K4（CF）2；（3）4种肥料对西南桦植株径向生长影响的主次顺序为氮肥＞复合肥＞钾肥＞磷肥，径向生长的最优组合为N3P3K4（CF）2。研究结果可为西南桦速生丰产林的培育提供参考。
시비시속생봉산림배육적중요기술배절，과학시비능유효지제고임지생산력。채용4인소4수평적정교시험설계，취배방시비대서남화유림식주생장적영향진행료연구。결과표명，（1）시비처리대서남화식주고생장화경향생장구유촉진작용，고생장최대제고폭도체55％，경향생장최대제고폭도체101％；（2）4충비료대서남화고생장영향적주차순서위담비＞복합비＞린비＞갑비，고생장적최우조합위N3P2K4（CF）2；（3）4충비료대서남화식주경향생장영향적주차순서위담비＞복합비＞갑비＞린비，경향생장적최우조합위N3P3K4（CF）2。연구결과가위서남화속생봉산림적배육제공삼고。
Fertilization is an important techinal process in the cultivation of fast-growing and high-yield forest, and scientific fertilization can effectively improve land productivity.Effect of formula fertilization on sapling growth of Betula alnoides was studied by using orthogonal design with 4 factors and 4 levels.The results showed that: (1) Fertilizer treatment can enhance the growth of height and diameter of B.alnoides, the maximum extent reached to 55%and 101%.(2) The important order of effect of 4 fertilizers on height growth is nitrogen>compound fertilizer>phosphorus>potassium, the optimal combination is N3P2K4 (CF)2.(3) The important order of 4 factors on diam-eter growth is nitrogen >compound fertilizer >potassium >phosphorus, the optimal combination is N3 P3 K4 ( CF) 2 .The results can provide reference for cultivation of B.alnoides plantation.