<dd>
<p>indicator (0/1) for the application of nitrogen.
</p>
</dd>
<dt><code>P</code></dt><dd>
<p>indicator (0/1) for the application of phosphate.
</p>
</dd>
<dt><code>K</code></dt><dd>
<p>indicator (0/1) for the application of potassium.
</p>
</dd>
<dt><code>yield</code></dt><dd>
<p>Yield of peas, in pounds/plot (the plots were (1/70) acre).
</p>
</dd>
</dl>



<h3>Note</h3>

<p>This dataset is also contained in <span class="rlang"><b>R</b></span> 3.0.2 and later.
</p>


<h3>Source</h3>

<p>Imperial Coll