Äð è ! µ à Ê ¹ G FçFöF¸ FçFÔ4(#.G %±1 G0b FçF¸+¬ (FþG...

→ →

(goo )

Thomas S.Kuhn

( )(1962)

1966(S41) 1974(S49) 1960(S35) 1974(S49)

MAX

→ →

1937

→ → ( )

24

/

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

( )

60%

65%

70%

75%

80%

0

50

100

150

200

250

2008 20

200

250

30 30 300 7.5

→

18

N

10

11

12

13

14

15

16

(%)

P

K

↓

( )

176 120934 533

or90

1910

19201927 31 13

1931

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

1950

1951

1952

1953

1954

1955

1956

1957

1958

1959

1960

1961

1962

1963

1964

1965

1966

1967

1968

1969

1970

1971

1972

1973

1974

1975

1976

1977

1978

1979

1980

1981

1982

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

(%)

→

( )

( )

( )

( )

( )(1926 )( )(1940 )

)( )

(1902)

( 1923)

( )(1885)

(1909) (1901)

(1910)

(1888)

(1937)

(1948)

N (1919)

(1956)

(1950)

( (1927)

119 1898104 1913112 1905175 1842129108

18881909

107 1910116 1901

94 1923( ) 99 1918( ) 90 1927

39 1978

( , ) ( )

( ( )

( ), ( )

( (

) (M31) (S20 ))

( )

( ) ( )( ) (S30 )( )

( )

(S31) ( )

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

4,000,000

4,500,000

5,000,000

5,500,000

6,000,000

1912

1914

1916

1918

1920

1922

1924

1926

1928

1930

1932

1934

1936

1938

1940

1942

1944

1946

1948

1950

1952

1954

1956

1958

1960

1962

1964

1966

1968

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

2008

2010

2012

2014

(-1945) (1946-1974) (1975-)

(-1945) (1946-1974)

(1975-)

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

)

(S21 S30)

(S30S47)

(S48-H20)

(H20- )

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

, ,

0.00

50.00

100.00

150.00

200.00

250.00

300.00

350.00

400.00

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

(/

)

/ /

()

→()

→

( )

(1972)

0500,000

1,000,0001,500,0002,000,0002,500,0003,000,0003,500,0004,000,0004,500,0005,000,0005,500,0006,000,000

0500,000

1,000,0001,500,0002,000,0002,500,0003,000,0003,500,0004,000,000

( ) ( )( )

→

()

→ →

→

( )( )

(→ , )

( )

(1972)

(

1906

1908

1910

1912

1914

1916

1918

1920

1922

1924

1926

1928

1930

1932

1934

1936

1938

1940

1942

1944

1946

1948

1950

1952

1954

1956

1958

1960

1962

1964

1966

1968

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

2008

2010

2012

2014

2016

2018

0500,000

1,000,0001,500,0002,000,0002,500,0003,000,0003,500,000

1912

1914

1916

1918

1920

1922

1924

1926

1928

1930

1932

1934

1936

1938

1940

1942

1944

1946

1948

1950

1952

1954

1956

1958

1960

1962

1964

1966

1968

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

2008

2010

2012

2014

→ →

→→

( V )→→ → →

→ → →→ →

( ) ( 40 )

→ ( ) →

( ) ( )

( 2016)

( )

0.55 0.80 0.57 0.700.12 0.20 0.15 0.260.30 0.21 0.27 0.211.16 0.84 1.02 0.66

( )

( )

(

)

(

)

(1972)

8,890 11,66718,293

55,702 58,135

0

10,000

20,000

30,000

40,000

50,000

60,000

70,000

23 24 25 26 27

( )

DAP etc

pH

49

(

KC K2SO4 CaO MgO

600

800

1000

600

800

1000

(2015)

0%

20%

40%

60%

80%

100%

0

10

20

30

40

600 800 1000

CP/T

P,W

P/TP

TP,C

P,W

P(%

),pH

0%

20%

40%

60%

80%

100%

0

10

20

30

40

600 800 1000

CP/T

P,W

P/TP

TP,C

P,W

P(%

),pH

95% H2SO4

200g/ 5 95% 85% 0.45M /100g 7

(H27.1)

37,602( 19,214

18,388 )

365 t( )

1,784 t( )

1,419 t( )

36.5 t( )

(2012.7)

57,100 ( 54,500 , 2,600 ) 10,000

25 ( 20 ) 13 4.5 ( 10% )

International Fertilizer, p.24-28,455,BC Insight,London (2013)Controlled-Release Fertilizers Market,www.markets and markets.com

2013 2014 2015 2020 1,153.8 1,222.5 1,302.5 1,789.8 6.6% 591.5 623.3 658.9 878.8 5.9% 309.1 325.7 344.2 454.4 5.7%

186.0 193.0 200.7 244.1 4.0% 2,240.4 2,364.6 2,506.3 3,367.1 6.1%

2013 2014 2015 2020 164.6 174.0 184.0 243.9 5.8%

238.8 252.8 268.6 364.4 6.3% - 988.9 1,054.1 1,130.0 1,604.6 7.3%

46.8 49.7 53.1 74.2 6.9% 1,439.0 1,530.6 1,635.7 2,287.1 6.9%

2013 2014 2015 2020 722.8 766.9 815.2 1,106.5 6.3% 116 121.6 128.2 167.1 5.4% 64.6 68.2 72.3 96.8 6.0%

132.6 140.8 150.6 210.7 7.0% 163.2 173.8 185.8 260.0 7.0% 71.3 75.9 81.1 112.7 6.8%

121.3 127.3 134.5 177.1 5.7% 1,391.8 1,474.5 1,567.7 2,130.9

V.S.

S55)LP

25 80%

PE EVA100 0 130090 10 41080 20 33070 30 26065 35 18760 40 13550 50 98

PE:EVA

0.0

0.5

1.0

1.5

2.0

0123456789

10

0 10 20 30 40 50 60 70 80 90 100 110 120 130

(kg/

10a)

(kg/

10a)

( )

; (2011))

®®®

H2 (1990)

H12 (2000)

H22 (2010)

H27 (2015)

( ha) 398 380 368 34520ha 65 79 119 12920ha 333 301 249 216

20ha (%) 16 21 32 37

8 20ha 37

5272 (2000)→2 800 (2016)( 4 ) 4 9369 ( )→10 4269 (2015)( 2 )

2015 1 430 ( 36%) 20ha

,27

( 2004 )( )

( )

( )

( )

( )

( )

( )

( 001)

. .

008

009

010

007

006

005

004

003

002

001

000000000033

0022