防护林科技
防護林科技
방호림과기
PROTECTION FOREST SCIENCE AND TECHNOLOGY
2013年
7期
7-9
,共3页
辽东地区%林型%经营措施%森林土壤%化学性质
遼東地區%林型%經營措施%森林土壤%化學性質
료동지구%림형%경영조시%삼림토양%화학성질
eastern Liaoning area%forest types%management measures%forest soils%chemical properties
通过野外实地调查与室内分析，探讨了不同林型、不同经营措施下，红松林和杂木林土壤的化学性质，结果表明：杂木林的全 N 、碱解 N 和速效 P 的含量皆高于红松林，但速效 K 和磷、有机质的含量却低于红松林；择伐上层林木栽植的红松林对土壤的改良效果较皆伐造林和直接林冠下造林要好，中度择伐改良土壤效果显著。
通過野外實地調查與室內分析，探討瞭不同林型、不同經營措施下，紅鬆林和雜木林土壤的化學性質，結果錶明：雜木林的全 N 、堿解 N 和速效 P 的含量皆高于紅鬆林，但速效 K 和燐、有機質的含量卻低于紅鬆林；擇伐上層林木栽植的紅鬆林對土壤的改良效果較皆伐造林和直接林冠下造林要好，中度擇伐改良土壤效果顯著。
통과야외실지조사여실내분석，탐토료불동림형、불동경영조시하，홍송림화잡목림토양적화학성질，결과표명：잡목림적전 N 、감해 N 화속효 P 적함량개고우홍송림，단속효 K 화린、유궤질적함량각저우홍송림；택벌상층림목재식적홍송림대토양적개량효과교개벌조림화직접림관하조림요호，중도택벌개량토양효과현저。
@@@@Through field investigation and laboratory analysis ,chemical properties of Pinus koraiensis and weed trees were discussed under different forest types & management measures .Result shows that :content of the total nitro-gen ,alkali-hydrolyzed nitrogen ,available P of weed trees are higher than that of Pinus koraiensis forest ,but availa-ble K and P ,organic matter content of weed trees are lower than that of Pinus koraiensis forest ;selectively cutting in the upper layer of Pinus koraiensis forest has optimal soil improvement effect than clear cutting and directly plant under forest canopy .Moderately selective cutting have significant soil improvement effects .
