<div class="description">
<p>Includes references
</p>
<br>Subjects: Zea mays; Sorghum bicolor; Glycine max; continuous cropping; clay soils; crop yield; costs and returns; production costs; irrigation; long term experiments; irrigated conditions; economic viability</div>
<div class="fn value">
<dl><dd>Wesley, R.A</dd>
<dd>Heatherly, L.G</dd>
<dd>Elmore, C.D</dd>
<dd>Spurlock, S.R</dd></dl></div>
Internet Archive identifier