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Είστε εδώ
Βέλτιστος χρόνος για τη διαφυλλική θρέψη στη σόγια
Η έναρξη εμφάνισης των λοβών ήταν το πλέον κατάλληλο στάδιο για την εφαρμογή του Multi-K
Crop/cultivar | Soybeans / A-4100 ; A-4501 ; Dorado 4.8. ; Dekalb 458 | |||
---|---|---|---|---|
Country / location | North cent. Argentina / Junin ; Murphy ; Arequito ; Va. Dafonte | |||
Objectives | Increase yields | |||
Haifa product tested | Multi-K | |||
Application method | Foliar nutition | |||
Tested treatment | 1x 3% or 1x 6% or 3x 6% Multi-K at 200 lit./ha, combined with insecticides (against a caterpillar eating the stem base) at three different physiological stages: flower initiation, pod initiation & beginning of bean filling | |||
Locations: Control treatment results Kg/ha | Junin | Murphy | Arequito | Va. Dafonte |
Best treatment results Kg/ha | 2735 | 5030 | 5030 | 2579 |
Characteristics of best treatment | Best timing in all locations was spraying the Multi-K at pod initiation. In ¾ of the cases 6% produced best results. In one location 3% Multi-K was even better. The result obtained in Murphy is statistically very significant (P<0.01), and the mean of all locations is significant (P<0.05). Mean yield increase: 0.4 MT/ha Grower’s revenue from yield: 155.- US$/MT Cost of treatment (material only ): 6 $/Ha | |||
Net benefit of best treatment | 0.4 x 155 –6 = $ 56 | |||
Benefit/Cost ratio | 62 / 6 = 10.3 | |||
Conclusions | This experiment is additional to several previous positive results showing considerable beneficial value for the soybean grower. Therefore, the results of this experiment can be implemented for all tractor- spraying at volumes of 100-200 L/ha. This experiment should be followed by an experiment with 20-40 L/ha (rates used in aerial sprays), and 9-12% Multi-K. | |||
Reference | G. Farbman and R. Melgar / Almidar & Haifa Chemicals Argentina, and National Institute for Agriculture |
Need more information about growing soybeans? You can always return to the soybean fertilizer & soybean crop guide table of contents
Τα τελευταία νέα από την Haifa
Το ενημερωτικό δελτίο της Haifa σας παρέχει πληροφορίες σχετικά με τη προηγμένη θρέψη των φυτών,
και παρέχει τα τελευταία νέα που θα πρέπει να γνωρίζετε για τις καλλιέργειες σας.