Biofortification of Plant Nutrients: Present Scenario

2018 ◽  
pp. 119-136
Author(s):  
Sonal Dixit ◽  
Rajni Shukla ◽  
Yogesh Kumar Sharma
Keyword(s):  
Plant Nutrients

AN ASSESSMENT OF BOTTOM SEDIMENT AS A SOURCE OF PLANT NUTRIENTS AND AN AGENT FOR IMPROVING SOIL PROPERTIES

2019 ◽  
Vol 18 (8) ◽  
pp. 1647-1656 ◽  
Author(s):  
Agnieszka Baran ◽  
Marek Tarnawski ◽  
Magdalena Urbaniak
Keyword(s):  
Bottom Sediment ◽  
Soil Properties ◽  
Plant Nutrients

scholarly journals Growing Food with Garbage: Effects of Six Waste Amendments on Soil and Vegetable Crops

HortScience ◽  
2017 ◽  
Vol 52 (6) ◽  
pp. 896-904 ◽  
Author(s):  
Rebecca J. Long ◽  
Rebecca N. Brown ◽  
José A. Amador
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Soil Quality ◽  
Organic Waste ◽  
Sweet Corn ◽  
Mineral Fertilizer ◽  
Plant Nutrients ◽  
Chicken Manure ◽  
Organic C ◽  
Yard Waste

Using organic wastes as agricultural amendments is a productive alternative to disposal in landfills, providing nutrients for plant growth and carbon to build soil organic matter. Despite these benefits, a large fraction of organic waste is sent to landfills. Obstacles to the adoption of wastes as sources of plant nutrients include questions about harmful effects to crops or soils and the wastes’ ability to produce satisfactory yields. We compared six organic waste amendments with a mineral fertilizer control (CN) to determine effects on soil quality, soil fertility, crop quality, and crop yield in 2013 and 2014. Waste amendments were applied at a rate sufficient to supply 10,000 kg organic C/ha over two seasons, and mineral fertilizer was applied to control plots to provide 112 kg-N/ha/yr. The experiment was laid out in a randomized block design with four replicates and three crops: sweet corn (Zea mays L. cv. Applause, Brocade, and Montauk), butternut squash (Cucurbita moschata Duchesne cv. JWS 6823), and potatoes (Solanum tuberosum L. cv. Eva). Amendment with biosolids/yard waste cocompost (BS), dehydrated restaurant food waste (FW), gelatin manufacturing waste (GW), multisource compost (MS), paper fiber/chicken manure blend (PF), and yard waste compost (YW) did not have a negative impact on soil moisture, bulk density, electrical conductivity (EC), or the concentration of heavy metals in soil or plant tissue. Our results indicate potential uses for waste amendments including significantly raising soil pH (MS) and increasing soil organic matter [OM (YW and BS)]. The carbon-to-nitrogen ratio (C:N) of waste amendments was not a reliable predictor of soil inorganic N levels, and only some wastes increased potentially mineralizable nitrogen (PMN) levels relative to the control. Plots amended with BS, FW, and GW produced yields of sweet corn, butternut squash, and potatoes comparable with the control, whereas plots amended with YW, PF, and MS produced lower yields of sweet corn, squash, or both, although yields for potatoes were comparable with the control. In addition, the marketability of potatoes from PF plots was significantly better than that of the control in 2014. None of the wastes evaluated in this study had negative impacts on soil properties, some provided benefits to soil quality, and all produced comparable yields for at least one crop. Our results suggest that all six wastes have potential to be used as sources of plant nutrients.

Gypsum and Compost Effects on Sugarcane Root Growth, Yield, and Plant Nutrients

2002 ◽  
Vol 94 (6) ◽  
pp. 1332-1336 ◽  
Author(s):  
R. P. Viator ◽  
J. L. Kovar ◽  
W. B. Hallmark
Keyword(s):  
Root Growth ◽  
Growth Yield ◽  
Plant Nutrients

Effect of submergence on availability of certain plant nutrients in three Ultisol catenas

1989 ◽  
Vol 114 (2) ◽  
pp. 147-157 ◽  
Author(s):  
R. R. Weil ◽  
Sh. Sh. Holah
Keyword(s):  
Plant Nutrients
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