Chase SM6 Seaweed Extract
Potato Trial – King Edward (1993)

Location: Essex
Variety: King Edward
Row Width: 72” Beds – 34” RowsSM6 Seaweed Extract

 Applications:
A
– Sprayed 2.75 LT/HA 8 June & 2.75 LT/HA 2 July
B – Sprayed 2.75 LT/HA 2 July
C – Control

Samples Dug: 25th August
Digs: 5 X 3 M In Each Area
Plant Nos: 43 In Each Area
Irrigation: Yes 3”

Total Tuber
Numbers mm

 30-40  40-60  60-80
A 116 573 57
B 218 488 57
C 278 495 30

Total Tuber
Weight kg

 30-40  40-60  60-80
7.7 61.3 13.2
7.7 55.9 14.0
10.7 52.3 7.4

 

Tonnes per Acre

A 22.1
B 20.7
C 17.7

Tonnes per Hectare

54.6
51.3
43.7

 

Summary

Plot A recorded a 20% overall tonnage increase, while Plot B’s tonnage was 14.8% higher. 40-60mm tubers increased between 6.5 and 14.7% 60-80mm between 44-47% gain. SM6 caused a significant increase in marketable tubers.

 

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Potato Trial – King Edward Variety