Nano-fertilizers for Balanced Crop Nutrition - Nanotechnologies in Food and Agriculture - page 72

Table 3.1 Synthesis, characteristics, and nutrient release from nano-fertilizers/formulations

Nutrient
release (h) References Nutrients Adsorbent Approach Size

N Zeolite Physical 25-

30 nm

1,200 Subramanian and

Sharmila Rahale
( 2013 )

Montmorillonite Physical 35-

40 nm

400

Zeolite Chemical 200 nm - Komarneni ( 2010 )

Surface cross-
linked superabsor-
bents (hydrogels)

Chemical 40-

80 nm

672 Liu et al. ( 2006 )

Zeolite Physical 420 μ m 6 Li 2003 )

Hydroxyapatite
nanoparticles
+ Gliricidia
sepium

Biological 19-

25 nm

1,440 Kottegoda

et al. ( 2011 )

Zeolite Physical 60 nm 1,176 Selva Preetha

( 2011 )

Zeolite Chemical 7-

10 nm

480 Mohanraj ( 2013 )

Zeolite Physical 87 nm 1,152 Manikandan and

Subramanian
( 2014 )

Montmorillonite Chemical 50 μ m 240 Bortolin

et al. ( 2013 )

P Zeolite Physical 25-

30 nm

1,104 Subramanian and

Sharmila Rahale
( 2013 )

Montmorillonite,
bentonite

Physical 35-

40 nm

284

Zeolite Physical 60 nm 1,000 Selva Preetha

( 2011 )

Zeolite Chemical 2-3 μ m 1,080 Bansiwal et al .

( 2006 )

K Zeolite Physical 25-

30 nm

1,176 Subramanian and

Sharmila Rahale
( 2013 )

Montmorillonite,
bentonite

Physical 35-

40 nm

216

NPK Nano-coating of

sulfur layer
Chitosan

Chemical 100 nm

78 nm

- Wilson

et al. ( 2008 )

Nanocomposite Kaolinite Chemical 30-

80 nm

- Xu-mei

et al. ( 2006 )

S Zeolite Physical 70-

93 nm

816 Thirunavukkarasu

( 2014 )

Zeolite Physical 420 μ m 55 Li and Zhang

( 2010 )

Zeolite Physical 60 nm 1,520 Selva Preetha

et al. ( 2014 )
(continued)