Techniques for Field Experiment With Rice
|
Contents | Page
|
| Fore word | iv
|
| FIELD TECHNIQUE
|
| Plot size, shape, and orientation | 2
|
| Number of replications | 4
|
| Experimental design | 6
|
| Blocking | 9
|
| Randomization | 11
|
| Soil heterogeneity | 13
|
| Border effect | 16
|
| Missing hills | 19
|
| Replanting dead hills | 21
|
| Residual effect of fertilizer | 22
|
| Residual effect of unplanted alleys | 23
|
| Number of seedlings per hill | 24
|
| Off-types | 25
|
| Pest and disease damage | 26
|
| Minor sources of variation | 27
|
| COLLECTION OF DATA
|
| Plot sampling | 30
|
| Measuring grain yields | 32
|
| Measuring plant height and tiller number | 33
|
| Measuring yield components | 35
|
| Measuring leaf area index | 37
|
| Measuring stem borer incidence | 39
|
| Sampling in broadcast rice | 40
|
| Sampling for protein determination | 41
|
| References | 42
|
Appendix Table 1. Random numbers
Appendix Table 2. Correction factors for adjusting grain weight to 14% moisture | 44 46
|