## Averages by block of corn yields, for treatment 111 only

### Description

These data frames have averages by blocks (parcels) for the treatment
`111`

.

### Usage

vince111b

### Format

A data frame with 36 observations on 8 variables.

- site
a factor with levels
`AGSV`

`CASV`

`CPSV`

`LPSV`

`MPSV`

`OOSV`

`OTSV`

`SSSV`

`UISV`

- parcel
a factor with levels `I`

`II`

`III`

`IV`

- code
a numeric vector

- island
a numeric vector

- id
a numeric vector

- plot
a numeric vector

- trt
a numeric vector

- harvwt
a numeric vector

### Source

Andrews DF; Herzberg AM, 1985. Data. A Collection of Problems from
Many Fields for the Student and Research Worker. Springer-Verlag.
(pp. 339-353)