scholarly journals Effect of some soil amendments on yield and quality traits of sugar beet ( Beta vulgaris L.) under water stress in sandy soil

2018 ◽  
Vol 40 (1) ◽  
pp. 75-88 ◽  
Author(s):  
Mohamed Abbas ◽  
Amira Soliman ◽  
Zeinab Moustafa ◽  
Kenawy Abd El-Reheem
Author(s):  
Manhattan Lebrun ◽  
Jiří Bouček ◽  
Kateřina Berchová Bímová ◽  
Kamil Kraus ◽  
Daniel Haisel ◽  
...  

2019 ◽  
Vol 20 (9) ◽  
pp. 2327 ◽  
Author(s):  
Marcello Iriti ◽  
Alessio Scarafoni ◽  
Simon Pierce ◽  
Giulia Castorina ◽  
Sara Vitalini

EM (effective microorganisms) is a biofertilizer consisting of a mixed culture of potentially beneficial microorganisms. In this study, we investigated the effects of EM treatment on leaf in vivo chlorophyll a fluorescence of photosystem II (PSII), yield, and macronutrient content of bean plants grown on different substrates (nutrient rich substrate vs. nutrient poor sandy soil) in controlled environmental conditions (pot experiment in greenhouse). EM-treated plants maintained optimum leaf photosynthetic efficiency two weeks longer than the control plants, and increased yield independent of substrate. The levels of seed nutritionally-relevant molecules (proteins, lipids, and starch) were only slightly modified, apart from the protein content, which increased in plants grown in sandy soil. Although EM can be considered a promising and environmentally friendly technology for sustainable agriculture, more studies are needed to elucidate the mechanism(s) of action of EM, as well as its efficacy under open field conditions.


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