Table 10 Table A7. Management practices for three apple production systems. For a complete list of products used for weed, pest, and disease control, fruit thinning, and growth regulation, see Table A6.

From: Sustainability of three apple production systems

 

Year

Organic

Conventional

Integrated

Soil Amendment

1994

Compost

(919 kg ha-1)

Calcium nitrate

(186 kg ha-1)

Calcium nitrate

(93 kg ha-1)

Compost

(459 kg ha-1)

1995

Compost

(919 kg ha-1)

Calcium nitrate

(186 kg ha-1)

Calcium nitrate

(93kg ha-1)

Compost

(459 kg ha-1)

Foliar Nutrients

1997 – 1999

Calcium chloride

Boron

Calcium chloride

Boron

3-18-18 (N-P-K)

Calcium chloride

Boron

3-18-18 (N-P-K)

1996

Zinc sulfate

Urea

Zinc sulfate

Urea

Zinc sulfate

Weed Control

1994

Bark mulch

Glyphosate

Bark mulch;

glyphosate

1995

Landscape fabric

Glyphosate

Glyphosate

1996

Landscape fabric

Glyphosate

Glyphosate

1997

Surface weed cultivator

Glyphosate

Glyphosate

1998

Surface weed cultivator

Glyphosate;

pre-emergence herbicide

Glyphosate

1999

Mowed cover crop

Glyphosate;

pre-emergence herbicide

Glyphosate