Effects of soil and foliar applications of nitrogen fertilizers on a 20-year-old Douglas-fir [Pseudotsuga menziesii] stand.
1979
Miller R.E. | Wert S.
书目信息
USDA Forest Service Research Note PNW (USA). no. 329.
语言
英语
注释
ill. 7 ref. AVAILABILITY: NAL, USDA, Beltsville, Md. 20705 - USA
类型
Monograph; Non Conventional
团体作者
AN SSSR, Novosibirsk.
2012-11-15
AGRIS AP
