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Key Words and Phrases: - eCommons@Cornell - Cornell University

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-31-<br />

Table 5. Effect of methods of l<strong>and</strong> preparation on the yield of two cassava cultivars<br />

in Mondomito, Cauca, Colombia in 1981-82.<br />

Root yield (t/ha)<br />

Treatments CMC MCol<br />

92 113<br />

Without l<strong>and</strong> preparation 10.8 10.4<br />

H<strong>and</strong> preparation of planting holes (with hoe) 17.9 12.3<br />

Preparation with oxen-drawn plow 16.0 11.6<br />

Oxen-plowing followed by ridging 15.0 10.0<br />

~reparation with tractor-mounted rototiller 15.7 14.1<br />

Rototilling followed by ridging 16.8 10.9<br />

Strip preparation with hoe, alternated<br />

by 1-meter unprepared strips 12.2 9.7<br />

Strip preparation with rototiller alternated<br />

with 1-meter unprepared strips 13.5 9.5<br />

LSD (5%) 4.0 1.8<br />

Source: Howeler <strong>and</strong> Cadavid, 1984.

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