在替代设计中的大麦-豆混合作物组合之间的比较与N肥料和土壤变异相关
Stefano Tavoletti1, Stefania Cocco2, Giuseppe Corti2,3
1Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università Politecnica Delle Marche, Ancona, Italy. s.tavoletti@staff.univpm.it.
Scientific reports
|September 22, 2023
概括
麦-豆混合种植通过优化播种密度和 (N) 施肥来提高农业的可持续性. 这种方法减少了对N肥料和除草剂的需求,为单一种植系统提供了可行的替代方案.
科学领域:
- 农业学是一种农业学.
- 可持续农业 可持续农业
- 土壤科学 土壤科学
背景情况:
- 混合作物系统,如大麦-豆交叉作物,为可持续农业提供了潜在的好处.
- 优化播种密度和 (N) 施肥对于最大限度地提高混合作物的表现至关重要.
- 了解土壤特性和肥之间的相互作用是成功实施的关键.
研究的目的:
- 为了评估不同种植密度和N施肥水平下的大麦-豆混合作物的表现.
- 研究土壤物理性质对作物表现和N受精反应的影响.
- 评估大麦-豆混合种植的潜力,作为纯种植系统的可持续替代方案.
主要方法:
- 2017年和2018年进行了两次现场试验,使用了替换和分割图案设计.
- 在纯种和混合种群中比较大麦和豆的不同播种密度.
- 应用高和低输入,在2018年进行土壤土壤学调查,以包括土壤影响在ANOVA中.
主要成果:
- N施肥对大麦的表现产生了积极的影响,但仅限于特定的土壤单位 (下坡).
- 混合作物与纯豆作物相比,杂草的存在明显较低.
- 增加豆密度和减少大麦密度,以及量身定制的肥,导致收获更加平衡.
结论:
- 麦-豆混合种植,以优化密度和N管理,促进了更平衡的产量.
- 该系统显示了减少肥和除草剂投入的潜力,为可持续性做出了贡献.
- 将作物绩效数据与土壤评估相结合,凸显了混合作物的可行性,以实现可持续农业.
相关概念视频
02:35Key Elements for Plant Nutrition
18.8K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
18.8K
01:18Dihybrid Crosses
75.1K
Overview
75.1K
01:20Monohybrid Crosses
230.3K
Overview
230.3K
02:27Trihybrid Crosses
23.4K
Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...
23.4K
01:25Multiple Regression
3.0K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
3.0K
01:46The Calvin Benson Cycle
4.6K
Ribulose 1,5- bisphosphate carboxylase/oxygenase (RuBisCo) is a critical enzyme that catalyzes carbon dioxide assimilation during photosynthesis. However, it is an inefficient enzyme, having an extremely slow catalytic rate. A typical enzyme can process about a thousand molecules per second; however, RuBisCo fixes only around three-carbon dioxides per second. Photosynthetic cells compensate for this slow rate by synthesizing very high amounts of RuBisCo, making it the most abundant single...
4.6K