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Synergistic Effect of Polyaspartic Acid on Corn

The biggest feature of polyaspartic acid is: biodegradable, non-toxic, and does not damage the ecological environment, it is known as “green product”. Polyaspartic acid is a water-soluble polyamino acid polymer compound, which is a phosphorus-free, non-toxic, non-polluting, and biodegradable green chemical product.

As a green and environment-friendly product, it can be used as a plant growth promoter and pesticide soil restoration additive in agriculture.

Polyaspartic acid corn

Polyaspartic Acid on Corn

1. Increase the absorption of nutrients nitrogen, phosphorus, and potassium in the soil by plants and the absorption of micronutrient elements calcium, magnesium, sulfur, zinc, iron, and manganese.

Polyaspartic acid Promotes the Absorption of Nutrients in Corn

Usage Amount

P

K

Zn

P Content in Corn (%)

Increase rate (%)

K Content in Corn (%)

Increase rate (%)

Zn Content in corn (ppm)

Increase rate (%)

0 ppm

0.3

0

2.6

0

29

0

1 ppm

0.36

20.0

2.7

3.8

48

65.5

10ppm

0.34

13.3

3.0

15.4

45

55.2

100ppm

0.38

26.7

2.8

7.7

54

86.5

2. To the potted corn growing in the greenhouse, apply chemical fertilizer 20-20-20 per pot, and the amount of chemical fertilizer is respectively 0.3g (100% nutrient), 0.15g (50% nutrient), 0.075g (25% nutrient ), the effect of polyaspartic acid on its growth after six weeks is shown in below table.

Effect of Polyaspartic Acid on Corn Growth

Fertilization Mode

Weight (g)

Average N Content (mg)

100% Nutrient

45.8

67.6

100% Nutrient + 5ppm PASP

46.5

75.7

100% Nutrient + 500ppm PASP

50.2

73.2

50% Nutrient

34.7

40.5

50% Nutrient + 5ppm PASP

45.6

57.6

50% Nutrient + 500ppm PASP

38.6

49.6

25% Nutrient

24.1

29.6

25% Nutrient + 5ppm PASP

31.7

36.2

25% Nutrient + 500 ppm PASP

38.3

47.8

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