Diana María Sánchez Olaya, Manuel Francisco Romero Ospina, Wilson Sandoval Rodríguez, Karen Tatiana Rivera Ramírez, Eliana Liseth Suaza García
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引用次数: 0
摘要
作物协会被广泛认为是一种非常有益的农业战略。通过不同作物的组合,在最大限度地减少病虫害传播的同时实现了最佳产量。这种做法通过最大限度地利用空间和相关物种的相互适应提供了许多好处。必须强调的是,作物关联是面向相关物种的相互优势,从而保证每个物种的有利结果。在这个意义上,玉米生长速率的行为在一个完全随机区组设计中进行了评估:玉米单一栽培;玉米与花生协会;玉米和木薯协会;玉米,花生和木薯的关联。评估净同化率(NAR)、叶面积指数(LAI)、相对生长率(RGR)、叶面积比(LAR)、绝对生长率(AGR)和叶面积持续时间(LAD)。玉米和木薯组合的NAR (0.002 g cm-2 d-1)和RGR (0.15 g g-1 d-1)均高于单作(0.001 g cm-2 d-1和0.08 g g-1 d-1)。这是因为玉米在营养生长阶段叶片产量较高,表明玉米与木薯配种的生理效率较高。
Evaluation of the growth of maize in monoculture and when associated with peanuts and cassava in the Colombian Amazon
Crop associations are widely recognized as a highly beneficial strategy for agriculture. By combining different crops, optimal production is achieved while minimizing the spread of pests and diseases. This practice offers numerous benefits by allowing maximum utilization of space and mutual adaptation of associated species. It is important to emphasize that crop association is oriented towards the mutual advantage of the species involved, thus guaranteeing favorable results for each of them. In this sense, the behavior of maize growth rates was evaluated in a completely randomized block design with four treatments: maize monoculture; maize and peanut association; maize and cassava association; and maize, peanut, and cassava association. The following variables were evaluated: net assimilation rate (NAR), leaf area index (LAI), relative growth rate (RGR), leaf area ratio (LAR), absolute growth rate (AGR), and leaf area duration (LAD). The association of maize and cassava obtained the highest values NAR (0.002 g cm-2 d-1) and RGR (0.15 g g-1 d-1) compared to the monoculture (0.001 g cm-2 d-1 and 0.08 g g-1 d-1). This happened because maize presented higher leaf production during the vegetative growth stage indicating the physiological efficiency of maize when associated with cassava.
Agronomia ColombianaAgricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
1.00
自引率
0.00%
发文量
9
审稿时长
25 weeks
期刊介绍:
Agronomia Colombiana journal it is intended to transfer research results in different areas of tropical agronomy. Original unpublished papers are therefore accepted in the following areas: physiology, crop nutrition and fertilization, genetics and plant breeding, entomology, phytopathology, integrated crop protection, agro ecology, weed science, environmental management, geomatics, biometry, soils, water and irrigation, agroclimatology and climate change, post-harvest and agricultural industrialization, food technology, rural and agricultural entrepreneurial development, agrarian economy, and agricultural marketing (Published: Quarterly).