半干旱地区绿肥条件下生菜-甜菜间作的农业经济可行性

IF 0.7 4区 农林科学 Q4 HORTICULTURE
N. M. Guerra, F. B. Bezerra Neto, J. S. Lima, E. C. Santos, R. Nunes, Vania CN Porto, Roberto CF Queiroga, Vitor AS Lino, J. M. Sá
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引用次数: 2

摘要

摘要实行叶菜和块茎类蔬菜间作制度的生产者,通常寻求提供高生产力、更大的生产多样化、高质量产品和主要农业经济回报的制度。因此,这项工作的目的是评估在不同公平量的埃及Merremia aegyptia和Caltrophis procera生物量(干基为20、35、50和65吨ha-1)和生菜种群密度(150、200、250和30万株生菜ha-1)下,与甜菜间作的生菜双季种植是否具有农业经济可行性,在半干旱环境中种植两年,每公顷甜菜种植50万株。评估了莴苣叶的生产力和甜菜根的商业生产力,以及农艺指标:土地当量比(LER)、面积-时间当量比(ATER)、生产效率指数(PEI)、典型变量得分(Z)、实际产量损失(AYL)和经济指标:总收入(GI)、净收入(NI)、货币优势(MA)和回报率(RR)。莴苣-甜菜间作的农业经济效益最高,LER和ATER分别为2.59和1.39;PEI和Z分别为0.97和2.32;AYL为10.66;GI、NI和MA为94742.89;59121.45;56631.98埃及伊蚊和procera生物量65吨ha-1和生菜种群密度每公顷30万株的组合中,每实际投资分别为R$ha-1和R$2.75。甜菜是主要作物,生菜是主要作物。当适当地施用埃及伊蚊和C.procera的生物量时,莴苣和甜菜间作是非常可行的,因为它们在半干旱环境中表现出农艺和经济可行性以及可持续性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Agro-economic viability of lettuce-beet intercropping under green manuring in the semi-arid region
ABSTRACT Producers who practice intercropped systems of leafy vegetables with tuberous ones, generally seek for systems that provide high productivity, greater diversification of production, high quality products and mainly agroeconomic return. Therefore, the objective of this work was to assess whether there is agro-economic viability of lettuce bi-cropping in intercrop with beet, under different equitable amounts of Merremia aegyptia and Calotropis procera biomass (20, 35, 50 and 65 t ha-1 on dry basis) and population densities of lettuce (150, 200, 250 and 300 thousand plants of lettuce ha-1), combined with 500 thousand plants per hectare of beet in two years of cultivation in semi-arid environment. Productivity of lettuce leaves and commercial productivity of beet roots were evaluated, as well as the agronomic indices: land equivalent ratio (LER), area-time equivalent ratio (ATER), productive efficiency index (PEI), score of the canonical variable (Z), actual yield loss (AYL), and the economic indicators: gross income (GI), net income (NI), monetary advantage (MA) and rate of return (RR). The highest agro-economic returns of the lettuce-beet intercropping were achieved with LER and ATER of 2.59 and 1.39; PEI and Z of 0.97 and 2.32; and AYL of 10.66; and GI, NI and MA of 94,742.89; 59,121.45; 56,631.98 R$ ha-1 and RR of R$ 2.75 for each real invested, respectively, in the combination of 65 t ha-1 of M. aegyptia and C. procera biomass and lettuce population density 300 thousand plants per hectare. Beet was the dominant crop and lettuce the dominated one. The lettuce and beet intercropping is highly viable when properly manured with biomass of M. aegyptia and C. procera, as they express agronomic and economic viability and sustainability in semi-arid environment.
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来源期刊
Horticultura Brasileira
Horticultura Brasileira 农林科学-园艺
CiteScore
1.40
自引率
28.60%
发文量
45
审稿时长
4-8 weeks
期刊介绍: The journal Horticultura Brasileira, a quarterly journal, is the Official Publication of the Sociedade de Olericultura do Brasil. Its abbreviated title is Hortic. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.
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