Características anatômicas foliares de plantas de orégano ( Origanum vulgare L.) submetidas a diferentes fontes e níveis de adubação orgânica - DOI: 10.4025/actasciagron.v31i3.690

This study was performed to evaluate the effect of different levels of cattle and chicken manure organic fertilization in the chlorophyll content and anatomic parameters of leaves of Origanum vulgare L. cultivated in greenhouse. Two assays were carried out separately, one with cattle manure and the other with chicken manure. Origanum vulgare L. plants were cultivated in 10 L pots with the following treatments: Trial I: Cattle manure: 1) Soil without fertilization (control); 2) Soil + 3.0 kg m -2 of cattle manure; 3) Soil + 6.0 kg m -2 of cattle manure; 4) Soil + 9.0 kg m -2 of cattle manure; 5) Soil + 12.0 kg m -2 of cattle manure; Trial II: Chicken manure: 1) Soil without fertilization (Control); 2) Soil + 1.5 kg m -2 of chicken manure; 3) Soil + 3.0 kg m -2 of chicken manure; 4) Soil + 4.5 kg m -2 of chicken manure and 5) Soil + 6.0 kg m -2 of chicken manure. Both trials were carried out in randomized blocks with 4 repetitions and 4 pots per experimental parcel. It was observed that the levels of organic fertilization significantly influenced the chlorophyll content and anatomic parameters of wild marjoran leaves.

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