EUCALYPTUS RESPONSE TO THE APPLICATION OF LIMESTONE, GYPSUM, AND LIME MUD IN HUMIC CAMBISOL

Q4 Environmental Science

Floresta Pub Date : 2023-03-31 DOI:10.5380/rf.v53i2.86517

C. A. Gabriel, P. Cassol, G. L. Mumbach, Mário Chaves Moraes Neto

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Abstract

Eucalyptus response to limestone, gypsum, and lime mud application in Humic Cambisol. This study aimed to evaluate the development of Eucalyptus dunnii Maiden in Humic Cambisol in the Santa Catarina. Individuals were treated with doses and application forms of dolomitic limestone, gypsum, and lime mud. The experiment was conducted in the field, testing the following treatments: T1 – control; T2 – 3.5 t ha-1 of limestone in total area; T3 – 1.75 t ha-1 of limestone in the planting strip; T4 – 3.5 t ha-1 of limestone in the planting strip; T5 – 3.5 t ha-1 of lime mud in the planting strip; T6 – 3.5 t ha-1 of limestone + 2.75 t ha-1 of gypsum in the planting strip; T7 – 1.75 t ha-1 of limestone in the furrow; T8 – 1.75 t ha-1 of limestone + 1.38 t ha-1 of gypsum in the furrow; T9 – 1.38 t ha-1 of gypsum in the furrow. The treatments were applied in April 2016, six months after the seedlings were planted. In total, four forest inventories were carried out, measuring plant height and diameter, from 2019 to 2022. Soil samples up to a depth of 0.40 meters were collected at 31 and 56 months after application of treatments, determining the relationships Ca/Mg and Mg/K. None of the variables, measured or calculated, of the plants were significantly altered as a function of the treatments. Ca/Mg ratios were higher under lime mud and gypsum, whereas Mg/K ones, under treatments with dolomitic limestone.

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桉树对腐殖质cambisol中石灰石、石膏和石灰泥的响应

桉树对腐植酸Cambisol中石灰石、石膏和石灰泥浆的响应。本研究旨在评价在圣卡塔琳娜州腐殖质Cambisol中的dunnii Maiden桉树的发育情况。个体用白云质石灰石、石膏和石灰泥的剂量和应用形式进行处理。在田间进行试验，试验了以下处理:T1 -对照;石灰石总面积T2 - 3.5 t ha-1;T3 - 1.75 t hm -1种植带石灰石;种植带石灰岩T4 - 3.5 t hm -1;种植带石灰泥浆T5 - 3.5 t hm -1;T6 -种植带石灰石3.5 t hm -1 +石膏2.75 t hm -1;沟内石灰石T7 - 1.75 t hm -1;T8 -沟内石灰石1.75 t hm -1 +石膏1.38 t hm -1;沟中石膏的T9 - 1.38吨/公顷。这些处理是在幼苗种植六个月后的2016年4月进行的。从2019年到2022年，共进行了四次森林调查，测量了植物高度和直径。在施用后31个月和56个月采集深度为0.40 m的土壤样品，测定Ca/Mg和Mg/K的关系。测量或计算的植物变量均未因处理而显著改变。石灰泥浆和石膏处理的Ca/Mg比值较高，而白云质灰岩处理的Mg/K比值较高。

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来源期刊

Floresta Environmental Science-Nature and Landscape Conservation

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： Revista Floresta admits articles of scientific contribution in Forest Science, in the areas of Nature Conservation, Economy and Forest Policy, Forest Management, Silviculture and Wood Technology. The main task is to promote and divulgate the development of Forest Science in Brazil and in the world. Articles published in Revista Floresta are under total responsibility of the authors, who are aware that they are original studies. It remains implicit that articles were not submitted for publication to any other divulgation media. It remains explicit the agreement of authors to norms of the journal and, along the development of their work, the observance of ethic aspects and respect of the current copyright legislation.