Influence of tillage on an effective mycorrhizal symbiosis management of a crop sequence in a carbonated Brown soil
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Abstract
area from INIVIT, Santo Domingo, Villa Clara. Two
tillage variants on a carbonated Brown soil were analyzed in
an efficiently AMF-mycorrhized cropping sequence. A
randomized complete trifactorial experimental design was used,
and the factors were first: tillage (minimum and conventional);
second: organic matter (with and without); third: mycorrhizae
(inoculating every crop, every two crops, every three crops,
without inoculating with 25 % mineral fertilization for yucca,
50 % for sweet potato and 50 % for taro), the check with 100 %
mineral fertilization and the absolute check with four
repetitions. Data for all statistical analyses were performed
through SPSS 11. 5 for Windows statistical package. The
following variables were analyzed: percentage of mycorrhizal
colonization (%) and agricultural yield (t.ha-1). Results proved
there is a permanent inoculum effect on the next crop to the
inoculated one; also it is possible to reduce the pattern for
applying mycorrhizal inoculum by means of using coating
technique, obtaining the same yields and saving one inoculant
application.
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