2种石灰性土壤中施磷牧场的营养含量

IF 0.9 4区农林科学 Q3 AGRONOMY

Revista Caatinga Pub Date : 2023-03-01 DOI:10.1590/1983-21252023v36n110rc

E. Caballero, E. P. Durango, Dairo J. Pérez-Polo

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引用次数: 0

摘要

摘要碱性土壤中含有大量的碳酸钙，并有不溶性磷酸钙沉淀。本研究的目的是确定施用磷对哥伦比亚科尔多瓦石灰性土壤中狼尾草牧场叶片组织营养水平的影响。从科尔多瓦省的两个地点采集了土壤样本。采用2 x 3 x 6因子排列的完全随机设计（Vista Hermosa和Carolina），有狼尾草属物种（帝王草、古巴OM-22和紫狼尾草），并使用六种P剂量（0、80、150、250、400和650 kg ha-1），作为P2O5施用。添加P不会增加王草、狼尾草和古巴OM-22牧场的N、K、Ca和Mg含量。然而，在卡罗莱纳州、帝王草、狼尾草和古巴的石灰性土壤中，OM-22吸收了较高量的磷。

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Nutritional content of pastures with phosphate fertilization in 2 calcareous soils

ABSTRACT Alkaline soils present large amounts of calcium carbonates, with precipitation of insoluble calcium phosphate. The objective of the research was to determine the effects of the P application on the nutrient levels of the foliar tissue of Pennisetum pastures in calcareous soils in Córdoba-Colombia. Soil samples were collected from two locations in the Department of Córdoba. A completely randomized design with a 2 x 3 x 6 factorial arrangement (Vista Hermosa and Carolina), there Pennisetum species (king grass, Cuba OM-22, and Pennisetum purpureum), and six P doses (0, 80, 150, 250, 400, and 650 kg ha-1), applied as P2O5, was used. The addition of P did not increase the contents of N, K, Ca, and Mg in the king grass, Pennisetum purpureum, and Cuba OM-22 pastures. However, in the calcareous soils of Carolina, king grass, Pennisetum purpureum, and Cuba, OM-22 absorbed higher amounts of P.

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来源期刊

Revista Caatinga AGRONOMY-

CiteScore

2.10

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： A Revista Caatinga é uma publicação científica que apresenta periodicidade trimestral, publicada pela Pró-Reitoria de Pesquisa e Pós-Graduação da Universidade Federal Rural do Semi-Árido – UFERSA, desde 1976. Objetiva proporcionar à comunidade científica, publicações de alto nível nas áreas de Ciências Agrárias e Recursos Naturais, disponibilizando, integral e gratuitamente, resultados relevantes das pesquisas publicadas.