through run-off, air pollution & product contamination Fertilizer placement Environment & crop N/A: Mulching is placed directly under N/A Production Low the tree canopy, and does not Manager come into contact with the fruit Excess nutrients Soil & environment N/A Composted wood chips have a low N/A Senior Low C: N ratio: Refer to Table 1 Management CB4.4.3 ORGANIC FERTILIZER STORAGE Contamination of Water N/A Wood chip mulches have a low N/A Production Low surface water moisture %, and are stored least Manager 25 m from surface water bodies. TABLE 1 Carbon: Nitrogen ratios, and percentage nitrogen content of mulching materials (modified from Handreck & Black 1994) MULCHING MATERIAL % N IN D.M. C: N RATIO COMMENTS Uncomposted pine bark 0.1 500 Not used on the farm Bagasse 0.4 120 Not used on the farm Composted pine bark 1.1 30 - 40 Used on the farm Maize stalks 1.2 33 Not used on the farm Grasses 1.8 22 Used on the farm Kraal manure 2.6 15 Not used on the farm Composted chicken litter 2.4 10 - 11 Not used on the farm CROPS BASE NUTRIENT CONTENT OF INORGANIC FERTILIZERS Note: MSDS & HEAVY METAL CONTENT to be updated annually (fertilizer supplier to forward latest available data). CB4.5 NUTRIENT CONTENT OF INORGANIC FERTILIZERS Number Control Point Compliance Criteria Level References MINOR CB4.5.1 Is the content of major nutrients Documented evidence/labels detailing major nutrient MSDS & Labels File: Labels. (NPK) of applied fertilizers content (or recognized standard values) is available for Attached: Table 2 Standard Nutrient Values for Fertilizers. known? all fertilizers used on crops grown under GLOBALG.A.P. within the last 24-month period. RECOM CB4.5.2 Are purchased inorganic Documented evidence detailing chemical content, MSDS & Labels File: Heavy Metal Content. fertilizers accompanied by including heavy metals, is available for all inorganic
through run-off, air pollution & product contamination Fertilizer placement Environment & crop N/A: Mulching is placed directly under the tree canopy, and does not come into contact with the fruit N/A Production Manager Low Excess nutrients Soil & environment N/A Composted wood chips have a low C: N ratio: Refer to Table 1 N/A Senior Management Low CB4.4.3 ORGANIC FERTILIZER STORAGE Contamination of surface water Water N/A Wood chip mulches have a low moisture %, and are stored least 25 m from surface water bodies. N/A Production Manager Low TABLE 1 Carbon: Nitrogen ratios, and percentage nitrogen content of mulching materials (modified from Handreck & Black 1994) MULCHING MATERIAL % N IN D.M. C: N RATIO COMMENTS Uncomposted pine bark 0.1 500 Not used on the farm Bagasse 0.4 120 Not used on the farm Composted pine bark 1.1 30 - 40 Used on the farm Maize stalks 1.2 33 Not used on the farm Grasses 1.8 22 Used on the farm Kraal manure 2.6 15 Not used on the farm Composted chicken litter 2.4 10 - 11 Not used on the farm CROPS BASE NUTRIENT CONTENT OF INORGANIC FERTILIZERS Note: MSDS & HEAVY METAL CONTENT to be updated annually (fertilizer supplier to forward latest available data). CB4.5 NUTRIENT CONTENT OF INORGANIC FERTILIZERS Number Control Point Compliance Criteria Level References CB4.5.1 Is the content of major nutrients (NPK) of applied fertilizers known? Documented evidence/labels detailing major nutrient content (or recognized standard values) is available for all fertilizers used on crops grown under GLOBALG.A.P. within the last 24-month period. MINOR MSDS & Labels File: Labels. Attached: Table 2 Standard Nutrient Values for Fertilizers. CB4.5.2 Are purchased inorganic fertilizers accompanied by Documented evidence detailing chemical content, including heavy metals, is available for all inorganic RECOM MSDS & Labels File: Heavy Metal Content.
GGV5-CB4-FERTILIZER-APPLICATION-Master.docx