Research Article
Oilseed Meal Effects on the Emergence and Survival of Crop and Weed Species
Table 1
Total nutrient concentrations of oilseed meals and total C and N and extractable nutrients in Darco soil.
| | Concentration | Soil | Oilseed meal | | Darco | White mustard | Indian mustard | Camelina | Jatropha |
| | pH | 5.6 | 5.0 | 6.0 | 6.6 | 7.0 | | Organic C (%) | 0.37 | 49.17 | 50.35 | 44.88 | 47.58 | | Total N (%) | 0.08 | 5.09 | 5.00 | 5.36 | 3.46 | | C : N | 4.6 | 9.7 | 10.1 | 8.4 | 13.8 | | NO3-N (mg kg−1) | 7.9 | — | — | — | — | | P (mg kg−1) | 28 | 8848 | 11818 | 8695 | 8058 | | K (mg kg−1) | 42 | 11014 | 11368 | 14978 | 15397 | | Ca (mg kg−1) | 191 | 6341 | 6092 | 6832 | 11470 | | Mg (mg kg−1) | 26 | 3473 | 4470 | 4270 | 4748 | | S (mg kg−1) | 14 | — | — | — | — | | Na (mg kg−1) | 97 | 493 | 588 | 550 | 1291 | | Fe (mg kg−1) | 15.1 | 40.1 | 47.0 | 45.2 | 40.1 | | Zn (mg kg−1) | 1.8 | 65.1 | 68.1 | 65.4 | 30.6 | | Mn (mg kg−1) | 7.5 | 35.9 | 57.7 | 64.6 | 35.9 | | Cu (mg kg−1) | 0.2 | 9.9 | 10.2 | 14.5 | 15.9 |
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