Composition for increasing plant productivity protein nitrogen l

Details Composition for increasing plant productivity protein nitrogen l Composition for increasing plant productivity protein nitrogen l

1981-09-11

1986-11-04

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 76, 71 77, 71DIG1, A01N 4352, A01N 4358

Patent

active

046208712

ABSTRACT:
The invention relates to new compositions which contain 0.5 to 90% by weight of a phthalazine derivative having the general formula (I), ##STR1## wherein R.sub.1 stands for hydrogen, halogen, a straight-chained or branched C.sub.1-4 alkyl group having optionally a chlorine or hydroxy substituent, a C.sub.2-4 alkenyl group, or an optionally alkyl-substituted amino, sulfhydryl or hydroxy group, and

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patent: 2940844 (1960-06-01), Gysin et al.
patent: 3317554 (1967-05-01), Goldsmith et al.
patent: 3592822 (1971-07-01), Gilbert et al.
patent: 3736121 (1973-05-01), Zeeh et al.
patent: 4229204 (1980-10-01), Howe
Grzycka, "Preliminary Evaluation etc.," (1977), CA 89, No. 100876w, (1978).

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