共 241 条
[11]
BARRINGTON SF, 1991, P NAT WORKSH LAND AP, P19
[12]
Barrow, 1980, ROLE PHOSPHORUS AGR, P330, DOI DOI 10.2134/1980.ROLEOFPHOSPHORUS.C14
[13]
BARROW NJ, 1974, SOIL SCI, V118, P82, DOI [10.1097/00010694-197408000-00004, 10.1097/00010694-197412000-00006]
[16]
BEEK J, 1977, J ENVIRON QUAL, V6, P1
[18]
RECYCLING ANIMAL WASTE AS A FEEDSTUFF - REVIEW
[J].
JOURNAL OF ANIMAL SCIENCE,
1975, 41 (05)
:1438-1457
[19]
TISSUE TEST FOR EXCESS NITROGEN DURING CORN PRODUCTION
[J].
AGRONOMY JOURNAL,
1990, 82 (01)
:124-129