EXPERIMENTS COMPARING EFFECTS ON YIELDS OF POTATOES OF 3 METHODS OF APPLYING 3 AMOUNTS OF NPK FERTILIZER AND RESIDUAL EFFECTS ON FOLLOWING WINTER WHEAT

被引：12

作者：

WIDDOWSON, FV

PENNY, A

WILLIAMS, RJ

机构：

来源：

关键词：

D O I：

10.1017/S0021859600018657

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

引用

页码：247 / +

页数：1

共 9 条

[1]

BOYD DA, 1961, P FERTIL SOC

[2] PLACEMENT OF FERTILIZERS FOR POTATOES PLANTED BY MACHINES [J].

COOKE, GW ;

JACKSON, MV ;

WIDDOWSON, FV .

[3]

METSON AJ, 1956, 12 B NZ SOIL BUR, P117

[4]

Olsen S. R., 1954, CIRCULAR, P939

[5]

OWERS AC, 1960, P REP MINIST AGRIC F, P22

[6]

WARREN RG, 1960, REP ROTHAMSTED EXP S, P45

[7] EXPERIMENTS MEASURING RESIDUAL EFFECTS OF NITROGEN FERTILIZERS [J].

WIDDOWSO.FV ;

PENNY, A .

WIDDOWSON, FV ;

WILLIAMS, RJ ;

PENNY, A .

[9]

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