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LITERATURE CITED
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51. Rindt, D.W., G.M. Blouin, and J.G. Getsinger. 1968.Sulfur coatings on nitrogen fertilizer toreduce dissolution rate. J. Agric. Food Chem.16:773-778.
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92
Table 8. Effect of nitrogen source on color ratings of MerionKentucky bluegrass.
94
Treat-ment
No. Nitrogen Source 7/7/82
Color RatingsDate7/14 7/20
1. FLUF 4.5 abc 4.2 bed 4.8 ab2. FLUF PLUS 4.7 ab 4.7 ab 4.8 ab3. nJF 3.8 cd 3.8 de 4.2 cde4. FAN 4.3 abc 4.8 a 4.8 ab5. Formolene 4.8 a 4.7 ab 5.0 a6. Urea 4.7 ab 4.8 a 5.0 a7. Ammonium Nitrate 4.2 abc 4.8 a 4.8 ab8. Methylene Urea 3.8 cd 3.8 de 3.8 ef9. Ureaform Powder «0.25 mm) 2.3 fg 2.8 fg 3.2 g
10. IBDU (0.7-2.5 mm) 1.7 gh 1.8 ij 1.8 i11. Oxamide (1-3 mm) 1.7 gh 1.7 j 1.8i12. Oxamide «0.25 mm) 2.7 ef 2.8 fg 2.7 h13. 2/3 Oxamide « O.25) » 1/3 Urea 4.3 abc 3.8 de 4.3 cd14. 1/3 Oxamide « 0.25) ; 2/3 Urea 4.7 ab 4.7 ab 5.0 a15. CIL seu 3.2 de 3.8 de 4.3 cd16. AIM SCU 2.3 fg 3.7 de 4.3 cd17. TVA SCU-25 (c) 1.8 gh 3.3 ef 4.2 cde18. TVA SCU-lS (f) 1.5h 2.3 ghi 4.0 def19. TVASCU-6 (f) I.Sh 2.5 gh 3.7 f20. 30-2-9 3.8 cd 4.5 abc 4.5 bc21. 18-5-9 4.2 abc 4.0 cd 4.5 bc22. 1/2 ClL SCU; 1/2 Urea 4.0 be 4.7 ab 5.0 a23. Milorgani te 1.5h 2.0 hij 2.8 gh24. Sludge Compost 2.0 fgh 1.7 j 1.7 i25. 1/5 Sludge Compost; 4/5 Urea 4.2 abc 4.2 bed 4.5 be
Table 8 • (Continued).95
Color RatingsDate
Treat-mentNo. 7/26 8/1 8/8 8/19 8/26 9/1
l. 4.3 abe 3.3 abe 3.2 ede 2.7 fgh 2.8 ef2. 4.5 abe 3.7 ab 4.0 ab 3.3 ede 3.3 bed3. 3.5 efg 2.7 ede 2.7 ef 2.2 h 2.2 g4. 4.7 ab 4.0 a 3.8 ab 3.2 e-f 3.2 ede5. 4.8 a 4.0 a 3.8 ab 3.3 ede 3.5 be6. 4.7 ab 3.8 ab 4.2 a 3.7 abe 3.5 be7. 4.7 ab 3.8 ab 3.7 abe 3.7 abe 3.2 ede8. 4.0 ede 3.2 bed 3.0 de 2.5 gh 2.8 ef9. 2.5 h 2.2 ef 2.2 f 2.2 h 2.2 g
10. 1.7 i 2.2 ef 2.2 f 2.8 efg 3.0 def11. 1.8 i 2.5 de 2.7 ef 2.7 fgh 3.0 def12. 3.3 fg 3.3 abe 3.5 bed 3.2 e-f 3.2 ede13. 4.3 abe 3.3 abe 3.5 bed 3.0 d-g 3.2 ede14. 4.8 a 3.5 ab 3.7 abe 3.5 bed 3.3 bed15. 4.5 abe 4.0 a 4.2 a 4.2 a 3.7 ab16. 4.5 abe 3.8 ab 4.0 ab 4.0 ab 4.0 a17. 4.0 ede 3.3 abe 3.7 abe 3.2 e-f 3.0 def18. 4.2 bed 3.5 ab 3.8 ab 3.7 abe 3.7 ab19. 3.7 def 3.3 abe 3.7 abe 3.5 bed 3.3 bed20. 4.5 abe 3.7 ab 3.7 abe 3.5 bed 3.3 bed2l. 4.5 abe 3.2 bed 3.2 ede 2.8 efg 2.7 f22. 4.8 a 3.8 ab 4.2 a 4.0 ab 3.7 ab23. 3.0 gh 3.2 bed 3.2 ede 2.7 fgh 2.7 f24. 1.5 i 1.5 f 1.5 g 1.5 1 1.3h25. 4.3 abe 3.5 ab 3.2 cde 2.7 fgh 2.7 f
Table 8 • (Continued).96
Color RatingsDate
Treat-ment
No. 9/8 9/16 9/23 9/30 10/7 10/14
1. 2.7 def 4.3 be 4.3 a-d 3.8 cd 3.3 e-f 3.5 d-g2. 2.8 ede 4.5 abe 4.7 abe 3.8 cd 4.0 a-d 3.7 e-g3. 2.2 f 3.2 ef 3.7 def 2.7 efg 2.7 efg 2.7 hi4. 2.8 ede 4.5 abe 4.8 ab 4.7 ab 4.3 ab 4.2 a-d5. 3.2 bed 5.0 a 4.8 ab 4.7 ab 4.7 a 4.3 abe6. 3.0 b-e 4.7 ab 4.7 abe 4.3 abe 4.2 abe 4.2 a-d7. 3.0 b-e 4.5 abe 5.0 a 4.8 a 4.7 a 4.3 abe8. 2.5 ef 3.7 de 4.0 ede 3.3 de 3.2 def 3.3 e-h9. 2.2 f 2.7 fg 3.0 fg 2.0 g 2.2 gh 2.2 ij
10. 3.0 b-e 2.8 fg 3.2 fg 3.0 ef 3.2 def 3.2 fgh11. 2.8 ede 2.3 gh 2.8 g 3.0 ef 3.3 e-f 3.2 fgh12. 3.0 b-e 3.0 f 3.7 def 4.2 abe 4.2 abe 3.8 b-f13. 3.0 b-e 4.2 bed 4.2 b-e 4.0 bed 3.8 a-d 4.0 a-e14. 3.0 b-e 4.7 ab 4.8 ab 4.3 abe 4.5 a 4.2 a-d15. 3.5 ab 4.3 be 4.5 abe 4.2 abe 4.2 abe 4.5 ab16. 4.0 a 3.7 de 4.3 a-d 4.2 abe 4.2 abe 4.5 ab17. 3.0 b-e 2.8 fg 3.5 efg 3.3 de 3.3 e-f 3.5 d-g18. 3.5 ab 2.8 fg 3.2 fg 2.5 fg 2.8 efg 3.0 gh19. 3.3 be 3.0 f 3.5 efg 2.7 efg 3.5 b-e 3.7 e-g20. 3.0 b-e 4.5 abe 4.5 abe 4.5 abe 4.3 ab 4.2 a-d21. 2.2 f 4.0 cd 4.0 ede 4.2 abe 4.3 ab 3.8 b-f22. 3.3 be 4.7 ab 4.8 ab 4.7 ab 4.7 a 4.7 a23. 2.2 f 2.0 h 2.8 g 2.3 fg 2.5 fg 3.0 gh24. 1.0 g 1.2 i 1.0h LOh 1.5h 1.7 j
25. 2.5 ef 4.7 ab 4.8 ab 4.3 abe 4.3 ab 3.7 e-g
Table 8. (Continued).97
Treat-ment
No. 10/21 10/28
Color RatingsDate
4/28/83 S/S S/12 S/19
1. 3.3 e-e 2.S e-h 2.0 efg 2.S efg 2.S efg 2.S def2. 3.7 a-e 2.7 b-g 2.0 efg 2.S efg 2.3 fgh 2.8 ede3. 2.2 fg l.8 ghi 2.2 ef 2.3 fg 2.2 gh 2.S def4. 3.8 a-d 3.7 a 2.0 efg 2.S efg 2.3 fgh 2.3 efS. 4.0 abe 3.3 abe 2.7 e-f 3.0 d-g 2.7 efg 2.7 e-f6. 4.0 abe 3.3 abe 2.2 ef 2.7 efg 2.2 gh 2.S def7. 3.8 a-d 3.3 abe 2.0 efg 2.8 d-g 2.2 gh 2.7 e-f8. 3.0 def 2.3 d-h 2.2 ef 3.0 d-g 2.-7 efg 2.8 ede9. 2.0 g 1.7 hi L8 fg 2.2 g 2.3 fgh 2.5 def
10. 3.0 def 2.8 a-f 4.5 a 4.8 a 4.8 a 4.5 aII. 3.0 def 3.0 a-e 3.7 ab 4.2 ab 4.3 ab 3.8 ab12. 3.7 a-e 2.7 b-g 2.S def 3.2 e-f 2.8 efg 3.0 ede13. 3.5 b-e 2.8 a-f 2.5 def 2.8 d-g 2.8 efg 2.S def14. 3.7 a-e 3.0 a-e 2.3 def 2.8 d-g 2.7 efg 3.0 ede15. 4.3 ab 3.3 abe 3.2 bed 3.7 bed 3.3 ede 3.3 be16. 4.5 a 3.7 a 3.5 be 4.0 abe 3.8 bed 3.8 ab17. 3.5 b-e 2.8 a-f 2.5 def 3.5 bed 3.S ede 3.5 bed18. 2.8 efg 2.0 f-i 2.8 b-e 3.3 b-e 3.0 d-g 3.2 bed19. 3.5 b-e 3.2 a-d 3.2 bed 4.2 ab 4.2 abe 3.8 ab20. 3.8 a-d 3.2 a-d 2.5 def 3.0 d-g 2.8 efg 3.0 ede
2l. 3.5 b-e 3.7 a 2.2 ef 2.8 d-g 2.3 fgh 2.5 def
22. 4.3 ab 3.5 ab 2.7 e-f 3.3 b-e 3.3 ede 3.0 ede
23. 2.8 efg 2.7 b-g 2.3 def 2.8 d-g 2.8 efg 2.8 ede
24. l.Oh I.2i 1.2 g I.2h 1.5h 2.0 f
25. 3.7 a-e 3.3 abe 2.2 ef 3.0 d-g 2.7 efg 2.3 ef
Table 8 • (Continued).98
Treat-ment
No. 5/26 6/2
Color RatingsDate
6/9 6/16 6/23 6/30
1. 2.5 cd 1.8 cde 2.2 cde 4.2 a 4.0 c-f 3.3 gh2. 2.2 cd 2.2 bed 1.8 de3. 2.3 cd 2.2 bed 2.2 ede4. 2.0 cd 1.8 cde 1.5e 4.0 ab 3.8 d-g 3.5 fg5. 2.3 cd 1.8 cde 2.0 de 4.3 a 4.3 a-d 4.0 def6. 2.5 cd 2.0 b-e 2.0 de 4.5 a 4.8 a 5.0 a7. 2.7 bed 1.7 de 1.8 de 3.8 abe 4.8 a 4.8 ab8. 2.7 bed 2.2 bed 2.0 de 3.7 abe 3.3 gh 3.5 fg
9. 2.7 bed 2.3 bed 2.7 a-e 3.2 bed 3.0 hi 3.2 ghi10. 3.8 a 3.3 a 3.7 ab 3.0 cde 2.5 i 2.7 i
11. 3.7 ab 3.3 a 3.5 abe 2.7 def 2.5 i 2.8 hi12. 2.3 ed 2.0 b-e 2.3 b-e 3.2 bed 3.7 efg 4.2 ede13. 2.5 cd 1.7 de 2.2 ede 4.2 a 4.2 b-e 4.0 def14. 2.5 ed 2.0. b-e 1.8 de 4.3 a 4.8 a 4.7 ahe15. 3.0 abe 2.7 ahe 2.7 a-e 4.0 ah 4.2 b-e 4.3 bed16. 3.8 a 2.8 ah 3.0 a-d 4.0 ab 4.3 a-d 4.3 bed17. 3.3 ab 2.5 a-d 3.0 a-d 3.0 ede 3.3 gh 3.7 efg18. 2.7 bed 2.5 a-d 2.5 b-e 2.2 efg 3.0 hi 3.7 efg19. 3.8 a 3.3 a 4.0 a 3.2 bed 3.3 gh 3.7 efg20. 2.7 bed 2.2 bed 2.3 b-e 4.0 ab 3.5 fgh 3.2 ghi21. 2.5 cd 2.0 b-e 1.8 de 3.8 abe 4.0 e-f 4.0 def22. 2.7 bed 2.3 bed 2.3 b-e 4.3 a 4.5 abe 4.5 a-d
23. 2.7 bcd 2.5 a-d 2.7 a-e 2.3 d-g 2.5 i 2.7 i24. 1.8d 1.2e 1.7 de 2.5 def 1.0 j 1.3 j
25. 2.3 cd 1.7 de 2.2 ede 4.3 a 4.7 ab 4.2 ede
Table 8. (Continued).99
Treat-ment
No. 7/7 7/14
Color RatingsDate
7/21 7/28 8/4 8/11
1. 3.5 ef 3.5 def 3.3 de 3.3 fgh 2.8 efg 2.8 f-i2.3.4. 3.5 ef 3.3 def 3.2 e 3.0 hi 2.7 fg 2.3 ij5. 3.8 de 3.5 def 3.7 ede 3.5 efg 3.0 ef 2.8 f-i6. 4.7 a 4.5 a 4.5 a 4.2 abe 3.5 ed 3.5 b-e7. 4.3 abe 4.5 a 4.7 a 4.2 abe 3.7 be 3.7 bed8. 3.5 ef 3.3 def 3.2 e 3.0 hi 2.7 fg 2.7 ghi9. 3.0 gh 3.2 ef 3.3 de 3.5 efg 3.0 ef 2.8 f-i
10. 2.8 h 2.5 g 2.5 f 2.8 i 2.8 efg 3.0 e-h11. 3.0 gh 3.0 fg 3.3 de 3.2 ghi 2.8 efg 2.8 f-i12. 4.5 ab 4.2 abe 4.3 ab 4.0 bed 3.7 be 3.8 abe13. 3.8 de 3.7 ede 3.8 bed 3.3 fgh 3.2 de 3.2 d-g14. 4.7 a 4.7 a 4.5 a 4.3 ab 3.8 abe 3.8 abe15. 4.3 abe 4.2 abe 4.3 ab 4.0 bed 4.0 ab 4.0 ab16. 4.2 bed 4.2 abe 4.5 a 4.2 abe 3.5 ed 3.7 bed17. 4.0 ed 4.2 abe 4.5 a 4.2 abe 3.7 be 4.0 ab18. 3.8 de 4.3 ab 4.5 a 4.5 a 4.0 ab 4.3 a19. 3.8 de 4.2 abe 4.5 a 4.5 a 4.2 a 4.3 a20. 3.3 fg 3.0 fg 3.5 de 3.2 ghi 2.7 fg 2.7 ghi21. 4.2 bed 3.8 bed 4.2 abe 3.7 def 2.8 efg 3.2 d-g22. 4.5 ab 4.3 ab 4.5 a 4.0 bed 3.8 abe 3.8 abe23. 3.0 gh 3.0 gh 3.2 e 3.0 hi 2.5 g 2.5 hi
24. 1.7 i 1.3h 1.5 g 1.5 j 1.7h 1.8 j
25. 4.2 bed 4.2 abe 4.2 abe 3.8 ede 3.0 ef 3.3 e-f
Table 8 • (Continued).100
Treat-ment
No. 8/19 8/25
Color RatingsDates
9/1 9/8 9/15 9/22
1. 2.2 ef 2.3 ede 2.0 gf 1.8 fg 1.7 def 1.2 ijk2.3.4. 2.0 fg 1.7 gh 1.8g 1.5 gh 1.3 fg 1.0 jkl5. 2.3 def 2.3 ede 2.0 fg 2.0 ef 1.5 ef 1.5 ghi6. 2.8 bed 2.5 cd 2.2 efg 2.2 def 1.8 e-f 1.7 fgh7. 3.0 be 2.5 cd 2.5 ede 2.3 ede 2.3 abe 1.8 efg8. 2.3 def 2.2 def 2.3 def 1.8 fg 1.8 e-f 1.3 hij9. 2.8 bed 2.3 ede 2.5 ede 2.5 cd 2.2 a-d 1.7 fgh
10. 2.7 ede 2.5 cd 2.7 bed 3.0 ab 2.7 a 3.0 a11. 2.8 bed 2.3 ede 2.5 ede 2.5 cd 2.3 abe 2.3 cd12. 2.8 bed 2.7 be 3.0 ab 2.5 cd 2.0 b-e 1.8 efg13. 2.5 e-f 2.2 def 2.3 def 2.2 def 2.0 b-e 1.5 ghi14. 2.8 bed 2.7 be 2.7 bed 2.3 ede 2.2 a-d 2.2 ede15. 3.3 ab 2.7 be 2.8 abe 2.3 ede 2.0 b-e 2.2 ede16. 2.8 bed 2.3 ede 2.3 def 2.3 ede 2.2 a-d 2.0 def17. 3.3 ab 2.7 be 2.8 sbe 3.0 ab 2.5 ab 2.5 be18. 3.7 a 3.0 ab 3.2 s 2.7 be 2.7 a 2.3 cd19. 3.8 a 3.2 a 3.2 s 3.2 a 2.7 a 2.8 ab20. 2.3 def 1.8 fgh 2.0 fg 2.0 ef 1.8 e-f 1.7 fgh21. 2.5 e-f 1.8 fgh 2.0 fg 1.8 fg 1.7 def 1.8 efg22. 3.0 be 2.5 cd 2.5 cde 2.0 ef 2.0 b-e 2.2 ede23. 2.3 def 2.0 efg 2.2 efg 2.2 def 1.8 c-f 1.5 ghi24. 1.5 gh 1.5 hi 1.3h 1.2h 0.8 g 0.8 k125. 2.7 cde 2.2 def 2.2 efg 2.3 ede 1.7 def 2.0 def
Table 8 • (Continued).101
Treat-ment
No. 9/29 10/6
Color RatingsDate
10/13 10/20 10/27 11/3
1. 2.5 bed 3.8 def 4.0 e-f 3.5 d-g 3.2 bed 2.7 ede2.3.4. 2.2 de 4.2 b-e 4.5 abe 3.8 b-e 3.7 ab 3.2 be5. 2.5 bed 4.0 ede 4.5 abe 4.3 ab 3.a a 3.5 ab6. 3.0 a 4.7 ab 4.a ab 4.3 ab 3.7 ab 3.5 ab7. 2.8 ab 4.8 a 5.0 a 4.5 a 3.8 a 3.8 aa. 2.3 ede 3.2 gh 3.5 f 2.7 ijk 2.7 def 2.5 de9. 2.0 e 2.2 j 2.3 g 2.2 k 2.0 gh 1.a fg
10. 2.7 abe 2.5 ij 2.7 g 2.7 ijk 2.7 def 2.7 ede11. 2.0 e 2.0 j 1.5h 1.5 1 1.5 hi 1.a fg12. 2.0 e 2.3 j 3.7 ef 3.7 e-f 3.a a 3.5 ab13. 2.3 ede 3.0 hi 3.a def 3.0 f-1 2.7 def 2.8 ede14. 2.8 ab 4.2 b-e 4.3 bed 3.a b-e 3.3 abe 3.0 bed15. 2.5 bed 4.2 b-e 4.2 ede 3.a b-e 3.3 abe 2.8 ede16. 2.3 ede 3.3 fgh 3.8 def 3.3 e-f 3.0 ede 2.7 ede17. 2.3 ede 3.3 fgh 3.7 ef 2.a hij 3.0 ede 2.7 ede18. 2.0 e 2.3 j 2.8 g 2.7 ijk 2.8 e-f 3.0 bed19. 2.2 de 2.5 ij 2.7 g 2.5 jk 2.5 efg 2.3 ef20. 2.3 ede 3.3 fgh 3.7 ef 3.2 f-i 3.2 bed 2.5 de21. 2.3 ede 3.7 efg 3.8 def 3.3 e-h 2.7 def 2.7 ede22. 2.8 ab 4.5 abe 4.5 abe 4.2 abe 3.0 ede 3.0 bed23. 1.S f 2.0 j 2.5 g 2.7 ijk 2.3 fg 2.7 ede24. 1.0 g 1.3k 1.2 hi 1.2 1 1.2 ij 1.3g25. 2.8 ab 4.3 a-d 4.2 ede 4.0 a-d 3.3 abe 3.0 bed
Table 9 • Effect of nitrogen source on fresh-weight yields of MerionKentucky bluegrass.
102
Treat- Fresh-weight Yieldment Clipping Date
No. Nitrogen Source 7/8/82 7/15 7/22
2g/2m
l. FLUF 52 b-g 100 b-e 58 d-g2. FLUF PLUS 90 a 158 a 104 a3. TUF 48 c-g 83 e-h 51 e-h4. FAN 55 a-g 135 ab 93 abc5. Formo1ene 66 a-e 128 abc 75 b-f6. Urea 84 abc 127 a-d 101 ab7. Ammonium Nitrate 88 ab 153 a 104 a8. Methylene Urea 46 d-g 91 d-g 45 ghi9. Ureaform Powder «0.25 tmn) 46 d-g 55 g-j 27 hi
10. lBDU (0.7-2.5 tmn) 50 c-g 38 ij 20 i11. Oxamide (1-3 mm) 33 d-g 25 j 23 hi12. Oxamide (<:0.25 mm) 24 g 48 hij 26 hi13. 2/3 Oxamide «0.25); 1/3 Urea 46 d-g 81 e-h 58 d-g14. 1/3 Oxamide (<:0.25); 2/3 Urea 56 a-g no b-e 78 a-e15. ClL SCU 51 c-g 63 f-i 58 d-g16. AIM SCU 32 efg 42 ij 50 fgh17. TVA SCU-25 (c) 26 fg 36 ij 43 ghi18. TVA SCU-IS (f) 33 d-g 41 Ij 51 e-h19. TVA scu- 6 (f) 33 d-g 31 ij 42 ghi20. 30-2-9 54 b-g 95 c-f 57 d-g2l. 18-5-9 61 a-f 90 efg 79 a-d22. 1/2 ClL SCU; 1/2 Urea 67 a-e 99 c-f 69 c-g23. Milorganite 36 d-g 32 ij 27 hi24. Sludge Compost 33 d-g 24 j 21 i25. 1/5 Sludge Compost; 4/5 Urea 68 a-d 110 b-e 77 a-f
Table 9 • (Continued).103
Treat- Fresh-weight Yieldment Clipping Date
No. 7/29 8/5 8/12 8/19 8/26 9/2
2g/2m
1. 49 d-h 84 e-g 29 def 23 e-i 23 d-j 20 a-f2. 76 be III ab 42 abe 48 a 41 a 25 ab3. 36 g-k 40 jU 24 d-h 43 ab 16 h-k 12 e-h4. 80 be 103 abe 46 a 15 hij 30 a-e 22 a-d5. 75 bed 107 abe 41 abe 37 be 29 a-f 25 ab6. 83 abe 127 a 48 a 41 ab 39 ab 23 abe7. 108 a 85 b-f 45 ab 36 be 36 abe 19 a-f8. 37 g-k 61 f-k 25 d-g 20 f-i 19 _e-j 14 d-h9. 22 ijk 42 i-I 12 ij 16 hij 15 ijk 12 fgh
10. 17 jk 34 klm 17 g-j 18 ghi 18 f-k 14 d-h11. 19 jk 281m 13 hij 14 ij 11 jk 10 gh12. 31 h-k 64 f-j 22 e-i 21 f-i 19 e-j 16 b-g13. 47 e-i 101 a-d 33 ede 28 e-g 26 e-i 22 a-d14. 87 ab 93 b-e 35 bed 35 bed 28 b-h 21 a-e15. 47 e-i 66 f-j 33 ede 33 b-e 26 e-i 22 a-d16. 43 e-j 45 i-I 21 ghi 22 e-i 23 d-j 15 e-g17. 34 g-k 62 f-j 20 ghi 20 f-i 16 g-k 14 d-h18. 59 e-g 57 g-k 25 d-g 25 d-h 23 d-j 20 a-f19. 38 f-k 54 h-1 21 ghi 23 e-i 22 d-j 16 e-g20. 57 e-h 75 d-h 27 d-g 28 e-g 28 b-g 22 a-d21. 56 e-h 63 f-j 28 d-g 24 e-i 20 e-j 15 e-g22. 66 b-e 68 e-i 33 ede 43 ab 32 a-d 25 a23. 30 h-k 44 i-I 22 e-i 20 f-i 18 e-j 14 d-h24. 15 k 13m 7 j 6 j 6 k 6 h25. 65 b-f 73 e-h 27 d-g 30 e-f 26 e-i 18 a-g
Table 9 • (Continued).104
Treat- Fresh-weight Yieldment Clipping Date
No. 9/9 9/16 9/23 9/30 10/7 10/14
2g/2m
I. 11 e-f 34 b-g 44 e-i 37 d-i 50 d-h 37 e-j2. 20 abe 48 abe 69 a-e 52 bed 76 bed 49 b-e3. 8def 21 e-i 23 h-l 22 g-1 34 £-i 22 i-I4. 15 a-e 51 ab 88 ab 85 a 105 a 72a5. 15 a-e 52 ab 85 abe 64 abe 85 ab 55 abe6. 16 a-d 57 a 73 a-d 64 abe 80 abe 54 abe7. 20 a 53 ab 89 a 74 ab 82 ab 60 ab8. 9 def 19 f-i 27 g-1 28 e-k 41e-i 30 f-k9. 7 def 17 f-i 18 i-I 16 i-I 26 hij 19 jkl
10. 15 a-e 22 d-i 19 i-I 18 h-l 36 f-i 31 e-kII. 6 ef 12 hi 12 jkl 15 i-I 27 g-j 20 i-I12. 9 def 18 d-i 29 g-l 37 d-i 51 d-h 39 e-i13. 13 a-e 36 b-f 39 f-j 41 d-h 64 b-e 42 b-h14. 13 a-e 35 b-f 55 d-g 52 bed 70 bed 45 b-f15. 15 a-e 26 d-h 33 f-k 34d-j 55 e-f 43 b-g16. 11 a-e 14 hi 22 h-l 26 f-l 42 e-i 33 d-k17. 7 def 14 hi 9 kl 11 kl 23 ij 18 kl18. 12 a-e 19 f-i 17 i-I 14 jkl 30 f-j 24 h-k19. 11 b-f 15 ghi 16 jkl 16 i-I 32 f-j 25 g-k20. 15 a-d 41 a-d 58 e-f 51 bed 72 bed 49 b-e2l. 10 def 28 d-h 49 d-h 51 b-e 66 b-e 45 b-f22. 20 ab 41 a-e 60 b-f 47 e-f 70 bed 50 bed23. 9 def 16 f-i 16 jkl 18 i-I 32 f-j 21 i-I24. 2 f 4 i 3 1 4 1 6 j 4 125. 13 a-e 31 e-h 52 d-g 42 e-g 53 e-g 38 e-i
Table 9 • (Continued).105
Treat- Fresh-weight Yieldment Clipping Date
No. 10/21 10/28 5/5/83 5/12 5/19 5/262g/2m
1. 13 b-g 5 d-j 59 e-g 30 efg 87 b-e 37 e-h2. 17 a-d 7 a-f 86 abe 41 ede 119 a-d 40 d-g3. 8gb 3 g-j 34 fgh 21 fgh 55 ef 25 h4. 22 a 10 a 88 abe 38 e-f 95 a-e 35 fgh5. 19 abe 7 a-e 87 abe 39 e-f 100 a-e 38 d-h6. 22 a 8 a-d 83 a-d 39 e-f 104 a-e 40 d-g7. 21 a 10 a 78 bed 38 e-f 101 a-e 37 e-h8. 9 fgh 4 f-j 60 e-g 26 efg 80 ede 30 gh9. 8 gh 3 hij 30 gh 19 gh 71 def 33 fgh
10. 11 d-g 4 e-j 114 a 97 a 141 a 90 a11. 9 fgh 4 f-j 53 d-g 37 e-g 112 a-d 50 cde12. 13 b-g 6 b-h 52 d-g 27 efg 87 b-e 33 fgh13. 16 a-f 7 a-g 68 b-e 34 d-g 90 a-e 37 e-h14. 16 a-e 9 ab 70 bed 35 e-g 94 a-e 33 fgh15. 16 a-f 7 a-f 95 ab 61 b 130 abc 52 cd16. 12 d-g 5 d-j 75 bed 50 bed 133 abe 56 e17. 7 gh 4 e-j 45 efg 34 d-g 97 a-e 44 e-f18. 9 e-h 4 e-j 64 b-f 44 b-e 113 a-d 45 e-f19. 9 fgh 4 e-j 74 bed 53 be 139 ab 70 b
20. 20 ab 8 abe 77 bed 44 b-e 114 a-d 46 e-f
21. 17 a-d 7 a-g 68 b-e 38 e-f 104 a-e 34 fgh
22. 17 a-d 7 a-f 78 bed 43 b-e 98 a-e 38 e-h
23. 7 gh 2 ij 34 fgh 21 fgh 74 de 33 fgh
24. 3 h 1 j 7 h 5 h 21 f 11 i
25. 13 c-g 5 c-i 54 d-g 29 efg 72 def 30 gh
Table 9 • (continued).106
Treat- Fresh-weight Yieldment Clipping Date
No. 6/2 6/9 6/16 6/23 6/30 7/7
2g/2m
l. 59 e-h 36 e-h 31 e-h 42 ef 46 fgh 35 d-h2. 62 c-h 39 e-h3. 51 h 32 h4. 63 e-h 39 e-h 35 a-e 77 ab 73 ab 47 b-f5. 60 d-h 37 e-h 34 a-e 65 bed 66 a-d 45 b-g6. 61 d-h 32 gh 41 a-d 78 ab 77 ab 56 ab7. 71 b-g 40 e-h 40 a-d 81 a 80 a 64 a8._ 59 e-h 34 fgh 29 a-e 33 f-i 39 g-j 33 fgh9. 64 e-h 33 fgh 21 ef 17 jkl 24 jkl 21 hi
10. 108 a 69 a 46 a 25 g-k 28 ijk 34 d-h11. 78 bed 45 b-e 35 a-e 18 i-I 24 kl 32 gh12. 61 d-h 38 e-h 26 e-f 35 fgh 56 e-f 53 abe13. 56 fgh 36 e-h 30 a-e 38 efg 49 e-h 45 b-g14. 56 fgh 33 gh 41 a-d 67 abe 67 abe 55 ab15. 75 b-e 41 e-g 43"abe 38 efg 56 e-f 47 b-f16. 80 be 45 bed 41 a-d 40 efg 52 d-h 40 e-g17. 72 b-g 39 e-h 37 a-e 26 h-k 40 ghi 36 e-h18. 62 e-h 38 e-h 32 a-e 22 h-k 40 ghi 43 b-g19. 87 b 53 b 41 a-d 29 f-j 47 fgh 48 bed20. 73 b-f 46 be 45 ab 52 de 53 e-g 44 b-g21. 62 e-h 39 c-h 47 a 61 cd 63 b-e 47 b-e22. 68 e-h 36 d-h 44 abc 59 cd 73 ab 48 bed23. 68 c-h 43 e-f 25 def 15 jkl 31 ijk 31 gh24. 27 i 21 i 9 f 4 1 7 m 9 ij25. 54 gh 37 e-h 40 a-d 77 ab 72 ab 64 a
Table 9. (Continued).107
Treat- Fresh-weight Yieldment Clipping Date
No. 7/14 7/21 7/28 8/4 8/11 8/18
2g/2m
1. 16 g-j 9 d-g 11 e-h 17 d-g 17 e-h 8 e-f2.3.4. 22 b-h 9 e-g 14 e-g 14 f-i 16 e-h 6 e-h5. 19 e-i 10 b-f 15 e-g 20 e-g 19 e-h 7 def6. 24 b-e 15 ab 15 b-e 25 a-f 20 e-h 10 ede7. 32 a 16 ab 20 a 30 abe 22 b-g 11 a-d8. 15 hij 7 e-h 8 hi 16 e-h 15 f-i 7 d-g9. 11 jk 6 fgh 7 hij 14 f-i 13 hi 8 e-f
10. 16 f-j 9 d-g 11 e-h 22 a-g 17 d-h 10 bed11. 14 ij 8 e-h 10 fgh 18 b-g 17 e-h 7 def12. 29 ab 13 a-e 20 ab 33 a 31 a 14 ab13. 23 b-g 12 a-f 16 a-e 21 e-g 24 a-e 11 abe14. 26 a-d 15 abe 18 abe 28 a-d 27 abe 11 a-d15. 19 e-i 11 b-f 15 a-e 26 a-e 26 a-d 10 e-f16. 15 g-j 9 e-g 11 e-h 24 a-f 18 c-h 7 d-g17. 18 d-j 10 b-f 13 d-h 24 a-f 21 b-g 9 e-f18. 21 e-i 12 a-f 12 d-h 25 a-f 24 a-e 9 c-f19. 26 abe 15 a-d 20 ab 33 a 29 ab 14 a20. 20 e-i 10 b-f 11 e-h 17 d-g 20 c-h 9 e-f21. 18 d-j 13 a-e 11 e-h 19 b-g 16 e-h 7 def
22. 24 b-f 12 a-f 15 b-f 32 ab 26 abe 10 bed
23. 14 ij 6 fgh 8 hi 12 ghi 12 hij 6 fgh
24. 4 k 2 h 3 ij 4 i 3 k 3 h
25. 26 abe 17a 17 a-d 28 a-d 24 a-f 9 e-f
Table 9. (Continued).
108
Treat- Fresh-weight Yieldment Clipping Date
No. 8/25 9/1 9/8 9/15 9/22 9/29
2g/2m
l. 14 b-h 8 b-f 5 f-i 7 d-j 10 e-g 17 a-d2.3.4. 12 d-h 8 b-e 4 f-j 5 g-j 8 e-h 15 bed5. 13 c-h 8 b-e 5 d-h 6 e-j 8 e-h 12 e-f6. 16 a-e 9 bed B a-e 7 d-j 10 e-g 21 ab7. 16 a-e 10 bed 6 e-g 9 e-h 11 e-f 19 abe8. 10 £-i 8 b-f 4 f-i . 6 e-j 9 d-g 12 def9. 9 hi 4 e-f 4 f-j 7 d-j 6 f-j 8 f-i
10. 15 b-g 9 bed lOa 16 ab 18 ab 14 b-f11. 14 b-h 8 b-f 5 d-h 8 e-h 9 d-g 7 f-i12. 21 a 15 a 9 ab 17 a 19 a 16 bed13. 15 a-f 10 bed 8 abe 12 bed 13 cd 17 a-d14. 18 ab 11 abe 6 e-g 11 b-e 14 abe 20 ab15. 17 a-d 9 bed 7 b-f 11 e-f 11 e-f 15 b-e16. 11 e-h 6 d-g 4 f-i 5 g-j 7 e-i 7 f-i17. 15 a-f B b-e 5 e-i 8 e-h 11 d-g 9 e-h18. 18 abe 9 bed 6 e-g 10 e-g 13 cd 8 f-i19. 20 a 11 ab 8 a-d 13 abe 14 bed 10 d-g20. 12 d-h B b-e 6 e-g 8 d-h 10 e-g 15 b-e2l. 12 d-h 9 bed 5 e-i 6 f-j 8 e-h 14 b-f22. 16 a-e 11 abe 6 e-g 9 e-g 12 ede 17 a-d23. 9 ghi 7 e-g 4 g-j 6 f-j 6 g-j 5 ghi24. 3 j 3 gh 2 ij 2 ij 3 ij 3 hi25. 18 abe 11 abe 8 a-d 10 e-g 11 ede 23 a
Table 9 • (Continued).
Treat- Fresh-weight Yieldment Clipping Date
No. 10/7 10/13 10/20 10/27
2g/2m
l. 39 b-e 72 e-g 25 ede 14 d-g2.3.4. 48 ab 89 a-d 35 ab 18 bed5. 40 b-e 82 a-e 30 bed 17 ede6. 46 b 95 abe 28 b-e 21 ab7. 58 a 108 a 37 a 22 a8. 26 f-i 47 ghi 17 fgh 9 ijk9. 13 jk1 23 ij 8 jk 5 k1
10. 19 ijk 43 hi 13 hij 9 ijk11. 12 jk1 21 ij 6 jk 5 k112. 27 f-i 61 e-h 31 abe 21 ab13. 29 e-i 48 ghi 21 efg 13 e-h14. 44 be 83 a-e 25 ede 17 ede15. 31 d-g 61 e-h 23 def 12 f-i16. 20 g-k 54 fgh 15 ghi 10 hij17. 22 f-j 38 hi 15 fgh 10 hij18. 20 h-k 41 hi 14 g-j 9 ijk19. 20 h-k 45 hi 12 hij 8 jk20. 34 e-f 65 d-h 21 efg 12 g-j2l. 35 e-f 62 e-h 18 fgh 10 hij22. 43 bed 80 b-f 25 ede 16 e-f23. 11 k1 25 ij 11 hij 5 k124. 7 1 10 j 4 k 2 1m25. 59 a 105 ab 31 abe 19 abc
109
Table 10. Effect of nitrogen source on dry-weight yields of MerionKentucky bluegrass.
no
Treat-ment
Dry Weight1982
No. Nitrogen Source 7/8-9/9
9/16-10/28
2g/2m
1. FLUF2. nUF PLUS3. TUF
4. FAN
5. Formo1ene6. Urea7. Ammonium Nitrate8. Methylene Urea9. Ureaform Powder «0.25 mm)
10. lHOU (0.7-2.5 mm)11. Oxamide (1-3 mm)12. Oxamide «0.25 mm)13. 2/3 Oxamide (<;0.25);1/3 Urea14. 1/3 Oxamide «0.25); 2/3 Urea15. CIL SCU16. AIM SCU17. TVA SCU-25 (c)18. TVA SCU-1S (f)19. TVA SCU- 6 (f)20. 30-2-921. 18-5-9
22. 1/2 CIL SCU; 1/2 Urea23. Mi10rganite24. Sludge Compost25. 1/5 Sludge Compost; 4/5 Urea
133200102174166197194no
8071
5987
143162121
9981
11291
136
131153
76
42
145
56
8233
104
9391
100432936
26
49
6572
56
39
223129756676
28
8
59
Table 10. (Continued).
Treat- Dry Weightment 1983
No. 515- 6/16- 9/22-6/9 9/15 10/27
2g/2m
1. 84 82 442. 1003. 644. 99 103 525. 104 102 486. 102 120 567. 101 134 628. 80 70 349. 68 52 20
10. 180 84 3111. 102 67 1712. 82 113 4613. 116 97 3714. 86 122 5515. 118 103 4016. 120 91 3217. 75 77 2918. 98 88 3019. 129 110 3120. 107 97 4421. 96 101 3822. 104 116 4823. 74 58 1824. 23 19 925. 76 126 63
III
Table 11. Effect of nitrogen source on N content of leaf tissuein Merion Kentucky bluegrass.
112
Treat-ment
N Content1982
No. Nitrogen Source 7/8-9/9
%
9/16-10/28
1. FlUF2. FLUF PLUS3. TUF
4. FAN
5. Formo1ene6. Urea7. Ammonium Nitrate8. Methylene Urea9. Ureaf orm Powder « 0.25 mm)
10. lBDU (0.7-2.5 mm)11. Oxamide (1-3 mm)12. Oxamide «0.25 mm)13. 2/3 Oxamide « O.25); 1/3 Urea14.1/3 Oxamide «0.25); 2/3 Urea15. Cll SCU16. AIM SCU17. TVA SCU-25 (c)18. TVA SCU-15 (f)19. TVA SCU- 6 (f)20. 30-2-921. 18-5-922. 1/2 Cll SCU; 1/2 Urea23. Milorganite24. Sludge Compost25. 1/5 Sludge Compost; 4/5 Urea
2.993.202.863.053.173.313.312.972.873.203.013.203.21
3.133.343.243.043.213.153.122.873.263.092.443.00
4.114.503.984.734.764.684.804.013.71
3.934.054.414.434.584.514.503.563.803.984.524.474.583.843.004.30
Table 11. (Continued).
Treat- N Contentment 1983
No. 5/5- 6/16- 9/226/9 9/15 10/27
%
1. 3.27 3.32 4.642. 3.363. 3.144. 3.33 3.45 5.025. 3.31 3.55 4.846. 3.36 3.81 4.707. 3.26 3.92 5.028. 3.17 3.33 4.129. 3.27 3.14 3.43
10. 3.80 3.29 3.9211. 3.28 3.14 3.2512. 3.26 3.81 4.4713. 3.34 3.58 4.5814. 3.25 3.74 4.4615. 3.43 3.51 4.1816. 3.48 3.35 4.5117. 3.37 3.29 3.9618. 3.45 3.39 3.6419. 3.67 3.43 3.5120. 3.32 3.41 4.5921. 3.26 3.42 4.3422. 3.46 3.58 4.4423. 3.17 3.02 3.6224. 2.89 2.63 3.2125. 3.16 3.51 4.51
113
Table 12. Effect of nitrogen source on total N recovery of MerionKentucky bluegrass.
Treat- Total N Recoveryment 1982
No. Nitrogen Source 7/8- 9/16-9/9 10/28
2g/2m
1. FLUF 4.0 b-f 2.3 d-i2. FLUF PLUS 6.4 a 3.7 a-e3. TUF 2.9 d-g 1.3 g-j4. FAN 5.3 ab 5.0 a5. Formo1ene 5.3 ab 4.5 ab6. Urea 6.5 a 4.3 abc7. Ammonium Nitrate 6.5 a 4.0 a-d8. Methylene Urea 3.3 c-g 1.8 f-j9. Ureaform Powder (oe;: O.25 JIIIl) 2.3 fgh 1.1 ij
10. lBDU (0.7-2.5 mm) 2.3 fgh 1.4 g-j11. Oxamide (1-3 mm) 1.8 gh 1.1 ij12. Oxamide «0.25 JIIIl) 2.8 d-h 2.2 d-i13. 2/3 Oxamide «0.25) ; 1/3 Urea 4.6 bcd 2.9 b-h14. 1/3 Oxamide «0.25); 2/3 Urea 5.1 abc 3.3 a-f15. ClL SCU 4.1 b-f 2.6 c-i16. AIM SCU 3.2 c-g 1.9 e-j11. TVA SCU-25 (c) 2.5 e-h 0.8 ij18. TVA SCU-15 (f) 3.6 b-g 1.2 g-j19. TVA SCU-6 (f) 2.9 d-g 1.1 hij20. 30-2-9 4.3 b-e 3.4 a-f2l. 18-5-9 3.8 b-f 3.0 b-g22. 1/2 ClL SCU; 1/2 Urea 5.0 abc 3.5 a-f23. Milorgani te 2.4 e-h 1.1 ij24. Sludge Compost 1.0h 0.2 j25. 1/5 Sludge Compost; 4/5 Urea 4.4 bcd 2.5 c-i
114
Table 12. (Continued).
Treat- Total N Recoveryment 1983
No. 5/5- 6/16- 9/22-6/9 9/15 10/27
28/2m
l. 2.7 c-g 2.7 e-i 2.1 b-f2. 3.4 b-g3. 2.0 g4. 3.3 b-g 3.6 b-g 2.6 abc5. 3.4 b-g 3.6 b-g 2.3 b-e6. 3.4 b-g 4.6 ab 2.7 abc7. 3.3 b-g 5.3 a 3.1 a8. 2.5 d-g 2.3 ghi 1.4 f-19. 2.2 fg 1.7 ij 0.7 h-k
10. 6.9 a 2.8 c-1 1.2 g-j11. 3.3 b-g 2.1 hi 0.6 jk12. 2.7 c-g 4.3 a-d 2.1 b-f13. 3.8 b-e 3.5 b-h 1.7 d-g14. 2.8 c-g 4.6 ab 2.5 a-d15. 4.1 bcd 3.6 b-g 1.7 efg16. 4.2 bc 3.1 c-1 1.4 fgh17. 2.6 d-g 2.5 f-1 1.1 g-j18. 3.5 b-g 3.0 d-i 1.1 g-j19. 4.7 b 3.8 b-f 1.1 g-j20. 3.6 b-f 3.3 b-h 2.0 c-f21. 3.2 c-g 3.5 b-h 1.6 efg22. 3.6 b-f 4.2 a-e 2.1 b-f23. 2.4 efg 1.8 ij 0.7 ijk24. 0.7 h 0.5 j 0.3 k25. 2.4 efg 4.5 abc 2.8 ab
115