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Effects of farmyard manure compost and biodynamic preparations

Long-term trial at IBDF Darmstadt (since 1980)


1980-1984 Yields

First period (research focus: Food quality)


 

 

 

MIN

CM

CMBD

low

medium

high

Carrots 1981
1982
1983
1984
713
602
736
615
710
667
784
625
759
637
860
631
692
605
731
573
726
657
792
632
764
645
858
666
Beetroot 1981
1982
1983
1984
617
618
682
624
620
724
648
574
648
693
732
612
567
544
562
519
619
710
702
602
700
782
798
688
Potatoes 1981
1982
1983
1984
335
254
219
193
277
255
180
244
327
281
195
260
291
254
162
184
315
262
205
238
333
274
228
275
Rye 1982
1983
1984
25,4
38,2
48,4
23,2
33,8
48,3
23,1
36,3
48,7
23,5
30,2
39,8
23,0
37,1
48,8
25,3
40,9
56,8
Yields (dt ha-1) of different crops cultivated with manure (CM, CMBD) and mineral fertilization (MIN) at 3 levels
 

The main objective when calculating fertilizer amounts, namely to realize comparable yields with organic and mineral fertilization, was essentially achieved.
 
Thus it was possible to monitor quality parameters of the products without interference by effects of different yield levels.

 

 




 

                                                         
                                             Reference: ABELE (1987)
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