共 39 条
[36]
NITROGEN FERTILIZING AND PRUNING OF APPLE-TREES AS THEY AFFECT YIELD, FRUIT-QUALITY AND GROWTH IN NORTH-CAROLINA
[J].
NORTH CAROLINA AGRICULTURAL EXPERIMENT STATION TECHNICAL BULLETIN,
1978, (254)
:3-36
[38]
Influence of seedpiece spacing and population on yield, internal quality, and economic performance of Atlantic, Superior, and Snowden potato varieties in eastern North Carolina
[J].
American Journal of Potato Research,
1999, 76
:257-261