特刊第9號－臺灣中部二期稻低產原因及提高生產力之措施(臺中區農業改良場)

:::

特刊

首頁 > 出版刊物 > 特刊 > 特刊第9號－臺灣中部二期稻低產原因及提高生產力之措施

特刊第9號－臺灣中部二期稻低產原因及提高生產力之措施

臺灣中部二期稻低產原因及提高生產力之措施

The Cause of Low Yield of the Second Crop Rice in Relation to the Measures of Increasing Its Productivity in Central Taiwan

張學琨
Shueh-Kun chang

Published by
Taichung District Agricultural Improvement Station
November, 1987

臺灣省臺中區農業改良場出版
中華民國七十六年十一月

Page		Contents
1		I. INTRODUCTION

5		II. STUDIES ONTHE STATUS AND CAUSES OF LOW YIELD OF THE SECOND CROP RICE IN CENTRAL TAIWAN

5		(I) Status of low yield of the second crop rice
5		1. Crop yidls vary with years and hectarage
6		2. Crop yields vary with locations
6		3. Importance of rice production in Taichung District
9		4. Crop yield vary with geographical variation and Climate factors
10		5. New varieties response to crop season and locations
14		6. Effects of fertilizer application
16		7. Timing of nitrgen application
17		8. Irriation methods
17		9. Platning time in the west coastal area

18		(II)Cause of low yield of the second crops rice
18		1. Climatic factors influence on growth and yield of two crop rices
18		(1) Air temperature
20		(2) Water temperature
21		(3) Soil temperature
21		(4) Solar radiation
23		(5) Wind velocity
23		(6) Raifall and flood
23		2. Physiological differences of growth and yield of two crop rices
24		(1) Plant hieght
24		(2) Tiller number
26		(3) Growth duration
26		(4) Grain yield and its Coponents
28		(5) Correlation analyses
28		Summary and Conclusion

30		III. POSIBILITY OF INCREASING RICE YIELD OF SECOND CROP BY CONTROLLING WATER WATER AND SOIL TEMPERATURES
30		METERALS AND METHODS
32		RESULTS AND DISCUSSION
32		1. Air temperature of crop reasons
32		2. Crop growth rate and duration affected by seasons
35		3. Seasonal effect on vertical temperature
36		4. Effects of treatments on vertical temperature
39		5. Effects of treatments on plant growth
42		6. Graini yield, dry matter and harvest index
44		7. Correlation analysis
51		DISCUSSION
53		SUMMARY

57		IV. MEASUREMENTS OF RAISING GRAIN YIELD OF SECOND CROP RICE IN ILL-DRAINAGE AREA
57		MATERIALS AND METHODS
57		Experiments 1. Varietal Adaptability in Flooded and Drained Conditions
59		Experiments 2. Improvement of Percolation and Drainage in Ill-drained soil
61		Experiments 3. Effects of Deep Tilith,Heavy Fertilization and Drainage
61		Experiments 4. Soil Percolation Related to Growth and Yield of Rice

		RESULTS AND DISCUSSION
62		Experiments 1. Varietal Adaptability with Flooded and Drained Conditions
62		1. Plant height
62		2. Panicle number
65		3. Growth duration
65		4. Grain yield
68		5. Lodging and sprouting
69		6. Correlation analysis

70		Experiment 2. Improvement of Percolation and Drainage in ill-drainage soil
70		1. Soil Property
78		2. Plant growth
79		3. Grain yield and other characteristics
83		4. Yield components
83		5. Correlation analysis

86		Experiment 3. Effects of Deep Tilth, Heavy Fertilization and Drainage
86		1. Soil property
87		2. Plant growth
89		3. Damage to plant
91		4. Grain yield
91		5. Correlation analysis

92		Experiment 4. Soil Percolation Related to Growth and Yield of Rice
92		1. Plant growth
93		2. Percolation rate
93		3. Grain and straw yields
94		4. Yield components and leaf color at maturity

		DISCUSSION AND CONCLUSION
95		1. Damage of floods to second rice crop in ill-drainage area
97		2. Productivity of Homei ill-drainage soil
99		SUMMARY

104		V. MEASUREMENTS OF RAISING GRAIN YIELD OF THE SECOND GROP RICE IN CENTRAL WEST COASTAL AREA
105		MATERIALS AND METHODS
105		Experiment 1: Compartive yield Trials of Different Rice varieties
105		Experiment 2: Timing of Sowing and Transplanting for Two Crop Rice
106		Experiment 3: Varietal Response to Planting Time in Second Crop
107		Experiment 4: Methods of Double Rice Cropping System
109		Experiment 5: Methods of Water Management
109		Experiment 6: Varietal Adaptability in the West Goastal Area

		RESULT AND DISUSSION
110		Experiment 1: Compartaive Yield Trials of Different Rice Varieties
110		1. Eary maturing varieties
111		2. Japonica varieties
111		3. Indica varieties
114		4. Combined analysis for grain yields among groups

117		Experiment 2: Timing of Sowing and Tranplanting for Two Crop Rices
117		1. First crop 1975
119		2. Second crop 1975
121		3. First crop 1976
126		4. Discussion and Conclusion

127		Experiment 3: Varietal Response to Planting Time in Second Crop
127		1. Plant growth
128		2. Grain yield
128		3. Yield Components and Correlated with grain yield

131		Experiment 4: Methods of Double Rice Cropping System
131		1. Growth duration
134		2. Grain yield
137		3. Agronomic Characters and their correlation to grain yield
140		4. Grain yield affected by the date of maturity

140		Experiment 5: Methods of Water management
140		1. Plant growth
144		2. Grain yield and straw yield
148		3. Number of green leaves
150		4. Soil nutrients
151		5. Grain yield correlated with agronomic charatcters

151		Experiment 6: Varietal Adaptability in West Coastal Area
151		1. Plant growth
153		2. Grain yield
156		3. Grain yield correlated to agronomic characters
156		4. Recommendation
157		DISCUSSION AND CONCLUSION
159		SUMMARY

164		VI. GNERAL DISCUSSION AND CONCLUSION
164		(I) Environmental Factors Constrained to Growth and Yield of Two Crop Rices
164		1. Climatic differences of two crop rices
169		2. Soil conditions related to yield of two crop rices

173		(II) Measurees for Raisiong the Yield of Second Crop Rice
173		1. Fertilizer application
174		2. Water management
175		3. Windbreaks
178		4. Varietal selection
179		5. Planting time
182		6. Tilth and fertilization
183		7. Fallow treatment
184		8. Insects and diseases
184		9. Direct sowing
186		10. Ratoon rice
201		VII. ABSTRACT
201		REFERENCES

回上一頁