防护林科技
防護林科技
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PROTECTION FOREST SCIENCE AND TECHNOLOGY
2014年
9期
13-14
,共2页
高英旭%刘红民%魏忠平%汪成成
高英旭%劉紅民%魏忠平%汪成成
고영욱%류홍민%위충평%왕성성
煤矸石山%树木施肥%树木生长量
煤矸石山%樹木施肥%樹木生長量
매안석산%수목시비%수목생장량
Gangue hill%forest fertilization%tree growth mass
在煤矸石山地,通过对树木进行施肥处理来研究不同施肥处理对白榆、臭椿和沙棘等3个树种生长量的影响,结果表明:对树木施肥1年后,地径和树高生长速度要快于对照,以施过磷酸钙100 g ?株-1处理效果最好;但施肥2年后,各处理间的差异不显著。这说明施肥能够促进矿区废弃地人工幼林的生长,并且磷肥效果好于氮肥,但速效化学肥料极易被淋溶,第2年化肥已经消耗殆尽,所以在矿区废弃地对幼树施肥,应少量、多次使用速效化肥或选用一些分解缓慢的长效肥料。
在煤矸石山地,通過對樹木進行施肥處理來研究不同施肥處理對白榆、臭椿和沙棘等3箇樹種生長量的影響,結果錶明:對樹木施肥1年後,地徑和樹高生長速度要快于對照,以施過燐痠鈣100 g ?株-1處理效果最好;但施肥2年後,各處理間的差異不顯著。這說明施肥能夠促進礦區廢棄地人工幼林的生長,併且燐肥效果好于氮肥,但速效化學肥料極易被淋溶,第2年化肥已經消耗殆儘,所以在礦區廢棄地對幼樹施肥,應少量、多次使用速效化肥或選用一些分解緩慢的長效肥料。
재매안석산지,통과대수목진행시비처리래연구불동시비처리대백유、취춘화사극등3개수충생장량적영향,결과표명:대수목시비1년후,지경화수고생장속도요쾌우대조,이시과린산개100 g ?주-1처리효과최호;단시비2년후,각처리간적차이불현저。저설명시비능구촉진광구폐기지인공유림적생장,병차린비효과호우담비,단속효화학비료겁역피림용,제2년화비이경소모태진,소이재광구폐기지대유수시비,응소량、다차사용속효화비혹선용일사분해완만적장효비료。
The growth mass of Ulmus pumila ,A ilanthus altissima , H ip pophae rhamnoides three tree varieties on gangue hill area were determined under different forest fertilization treatments .The results showed that diameter and height growth rates of treatment groups were faster than those of control after 1 year fertilization ,with the best effect under 100g calcium superphosphate per plant ;but the difference between each treatment was not significant after two years fertilization .This shows that fertilization can promote the growth of young plantation on the aban-doned mining wasteland ,which phosphatic fertilizer is better than nitrogen fertilizer ,but fast-acting chemical fertil-izers can easily be leached ,and depleted at the first two years utilization ,so fast-acting fertilizers should be used with a small amount ,and repeated ,or controlled availability fertilizers with slow decomposition be adopted as sap-lings fertilization in the abandoned mining area .