SURFACE SOIL PHYSICAL-PROPERTIES AFTER 36 YEARS OF CROPPING TO WINTER-WHEAT

被引：29

作者：

UNGER, PW ^{[1
]}

机构：

[1] TEXAS A&M UNIV,TEXAS AGR EXPT STN,USDA SEA,COLLEGE STN,TX 77843

来源：

关键词：

D O I：

10.2136/sssaj1982.03615995004600040027x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

引用

页码：796 / 801

页数：6

共 19 条

[1]

[Anonymous], 1959, METHODS CORRELATION

[2]

CHEPIL W. S., 1962, SOIL SCI SOC AMER PROC, V26, P4

[3]

Day R.P., 1965, METHODS SOIL ANAL 1, P545, DOI DOI 10.2134/AGRONMONOGR9.1.C43

[4]

Jackson M.L., 1958, SOIL CHEM ANAL, P205

[5]

JOHNSON WC, 1950, USDA860 CIRC

[6]

JOHNSON WC, 1972, USDA16 AGR RES SERV

[7] AN ACCURATE METHOD FOR DETERMINING VOLUME OF SOIL CLODS [J].

JOHNSTON, JR .

[8]

Kemper W.D., 1965, METHODS SOIL ANAL, P499, DOI 10.2134/agronmonogr9.1.c39

[9]

Le Clerg E., 1962, FIELD PLOT TECHNIQUE

[10]

RICHARDS LA, 1954, AGR HDB USDA, V60