绿色肥料在玉米轮作中杂草抑制的实施和使用

IF 1.5 Q2 AGRONOMY
Amilcar Servín Niz, Modesto Osmar Da Silva Oviedo, Eulalio Morel López, Derlys López Ávalos, Hugo González Villalba, Alcides Fernández Sánchez, Pablo Fankhauser Solis, Willian Insfrán
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引用次数: 0

摘要

绿色肥料产生的地被物对杂草抑制有直接影响,此外,这些植物产生的生物量影响作物生长。为了评价绿肥覆盖对玉米植株生产特性的影响,本研究按顺序比较了绿肥种类对杂草发生的影响。采用完全随机试验设计,共11个处理,4个重复。覆盖作物分别为:剑草芥(T1)、菜豆芥(T2)、黄茎芥(T3)、芥菜芥(T4)、菜豆芥(T5)、三角茎芥(T6)、水草芥(T7)、黄茎芥(T8)、短花豆芥(T9)、青花芥(T10)和常规体系(T11)。播种90 d后,割绿肥,割绿肥30 d后,播种杂交玉米520号。与绿肥种植相关的评估变量为绿肥的绿色生物量和干生物量,以及杂草的绿色生物量和杂草的抑制。在玉米植株方面,评估的变量为60 DAS时的株高、60 DAS时的茎粗、每穗粒行数、每粒行粒数和产量。随后使用Tukey检验在95%显著性水平上对平均值进行分析。绿肥的使用显著减少了杂草的绿色质量长达90天,因为缺乏对杂草的光照,这减少了它们的外观和生长。在玉米作物中,水蛭作为一种干性高产菌、杂草抑制菌和增产菌效果最好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Implementation and Use of Green Manures for Weed Suppression in Sequential Maize Cropping
The ground cover produced by green manures has a direct influence on weed suppression and, in addition, the biomass produced by these same plants influences crop growth. This study was carried out to compare the effect of green manure species on the incidence of weeds, in sequence, in order to evaluate the effects of the use of green manure cover on the productive characteristics of maize plants. A completely randomised experimental design was used, with 11 treatments and 4 replications. The treatments were cover crops Canavalia ensiformis (T1), Cajanus cajan (T2), Stizolobium pruriens (T3), Crotalaria juncea (T4), Phaseolus vulgaris (T5), Stizolobium trigre (T6), Stizolobium aterrimum (T7), Crotalaria retusa (T8), Crotalaria breviflora (T9), Dolichos lablab (T10), and conventional system (T11). Ninety days after sowing, the green manures were cut, and 30 days after the green manures were cut, the hybrid maize Crop Top 520 was sown. The variables evaluated in relation to the planting of green manures were the green and dry biomass of green manures, alongside the green biomass of weeds and suppression of weeds. Concerning maize plants, the variables evaluated were plant height at 60 DAS, stalk diameter at 60 DAS, number of grain rows per ear, number of grains per grain row, and yield. The averages were subsequently analyzed using Tukey’s test at 95% significance level. The use of green manure significantly reduces the green mass of weeds up to 90 days due to lack of access to light of the weeds, which reduces their appearance and growth. Stizolobium aterrimum showed the best results both as a dry mass producer and weed suppressor and also as a yield enhancer in maize crops.
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来源期刊
CiteScore
3.60
自引率
5.30%
发文量
66
审稿时长
16 weeks
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