Key Words and Phrases: - eCommons@Cornell - Cornell University
Key Words and Phrases: - eCommons@Cornell - Cornell University
Key Words and Phrases: - eCommons@Cornell - Cornell University
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Table 6. Effect of method of l<strong>and</strong> preparation on dry soil losses due to erosion <strong>and</strong> on<br />
fresh root yield of cassava planted on 25% slope in SCATC, Hainan, China (1989).<br />
Soil loss Root yield<br />
Treatments (t/ha) (t/ha)<br />
2 plowing, 2 discing, contour ridging 71 26.3<br />
2 plowing, 2 discing, no ridging 141 26.0<br />
1 plowing, no ridging 91 21.3<br />
4-m wide plowed strip alternated by<br />
1-m strip without preparation 145 23.5<br />
2-m wide plowed strip alternated by<br />
0.5-m strip without preparation 82 22.6<br />
h<strong>and</strong> preparation of planting holes with hoe 38 25.5<br />
no preparation 60 22.6<br />
* Cultivar SC 205<br />
Source: Zheng eta/., 1991.