タイトル |
家畜ふん堆肥混合培養土における輪ギクのかん水施肥による窒素施肥管理 |
担当機関 |
鹿児島農試 |
研究期間 |
2003~2003 |
研究担当者 |
|
発行年度 |
2004 |
要約 |
輪ギクにおいては、1日当たり窒素吸収量が多い消灯~発蕾の時期の窒素施肥割合を高めることによって、総窒素施肥量を2割削減しても、2L率を高めることが可能である。
|
キーワード |
輪ギク、かん水施肥、隔離ベッド、窒素施肥量、牛ふん堆肥
|
背景・ねらい |
かん水施肥栽培は、かん水と施肥を同時に行うため、作物の養分吸収特性に合わせた施肥のコントロールが可能な栽培方法である。また、隔離ベッド栽培は、養液栽培に較べて排液量が少ない環境保全的な栽培法で、培養土に家畜ふん堆肥を混合することで施肥量の削減を図ることが可能である。そこで、発泡スチロール容器を活用した隔離ベッドを作成し、家畜ふん堆肥混合培養土における輪ギクのかん水施肥栽培による窒素施肥管理技術を確立する。
|
成果の内容・特徴 |
- 輪ギクの生育ステージ別の窒素吸収量は、定植~消灯の時期が多いが、1日当たりの窒素吸収量については、消灯~発蕾の時期が定植~消灯、発蕾~収穫の時期の約1.6培である(図1)。
- 定植~収穫まで毎日同一濃度の施肥を行った150mgN/L区、200mgN/L区の収穫時の規格別割合は、窒素施肥量が約2割異なるが同等である。これに対し、消灯~発蕾の窒素施肥割合を高めた138-220-145mgN/L区は、200mgN/L区に比べて窒素施肥量は約2割少ないが、2L割合は高くなる(図2)。
- 100mgN/L区の養分吸収量は、他に比べて低いが、窒素施肥量が1.7kg/a以上のその他の区についてはカリウム、カルシウム吸収量はやや異なるが、窒素など他の養分の吸収量は同等である(図3)。
- 栽培終了時の培養土の全窒素、交換性カルシウム、マグネシウム含量は、栽培開始前に比べその減少量が小さい(表1)。
- 以上のことから、培養土に牛ふん堆肥を混合することによって、窒素のみの施肥で輪ギク栽培が可能で、1日当たりの窒素吸収量が多い消灯~発蕾の時期の窒素施肥割合を高めることで、総窒素施肥量を約2割削減しても収量・品質を確保できる。
|
成果の活用面・留意点 |
![](/OLD/ja/research/seika/data_kyusyu/h16/2004511-t.jpg) - 9月定植の12月出し作型の輪ギク栽培(神馬1号)で適用される。
- 本試験で用いた培養土は、淡色黒ボク土壌とバーク堆肥、牛ふん堆肥を4:4:1に容積比で混合した培養土で、使用した資材の成分は以下のとおりである。
|
図表1 |
![222885-1.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/222885-1.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDIaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMiQHBaq69oz0rCJsZ57s0IZTfiyBu3rEaXx8YzyChRZAiAMpZWQ0xMxFqDbhSUpaHeR8e1xXC3YASmBUlB37uF0jyqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMHHa%2FJGOlsXDDg2cZKu0DN2UlnZWazMVdFLtdOgjhpcUPTV%2BtEwIHeLeqjH%2BM4Egh7xMxdcLHg%2BN8AUtEyTWdRSxhhJtE2LMfZBYwXM98KiSXOFpfbORcokU%2BfnofclwU5v8%2FAYdjGZurgzkXRl174EFO2fLia3sYhYqeOXsBQUd1ZnlItXz5IobHGcEvSK8FByvuhzxDv2w%2BwoGmfQoMuRj1nCcl5uD1vOLeI4sFkv44pQA1zj4XAMKMSBtjv%2FZ6ScOhfuqIJJHS9Z9OkBTOGI24aCGAJR6RNxWXJVkQu84U4RMIP0EpZar0sMwabOGPcvG%2F5NAmbTk9kjvdFAO1F688W%2FwnSKI3i8DOY3HVUAh1f176XmCzo9o8DxTPJXXNOyypgLs%2F4p6J2jmQio6LjQduQtlAdfxm0gKoKBiEB2ZjbjsXIxIUwRVafQcNm7iHVhX9lHoo57xsPkv4HbQrGa4T7DjJxqP5QyLWb%2F5PrratmdCDF2fCSRKV2RvL5W7%2FDha0cChHF2Ma1OcfqeUT83jHowR3gbyVPoYLWiJjVf2nbpwpasmv%2Fo4748qttodgDBS9tuqwuVKGgNjIkglU5JTL5dxFgx7h06H5GMciiTa5t9tUb0Gohf2oP97KodngCPaQOLsIEIaAmHlKBszDD5ThfJx5GYgNv3Zv5zDXmbmzBjqmAUg7oDpDm3gj7wPwPkcrrNxUG3%2Bd2Kf1ScVwf2fhQlqCTceZqVnmYjUEKPJOw9pGTREtDhLKPElkKodEFaj%2FOiOiSG6kEvVtrI1lOjn3F9Tv1AST8v9M6JZdPlGPgF6ynUfHKR5KNaHE83tVUJMel1BbRX1sUdg2pvrGB0ubDLi%2Bjq%2Bap2AO1evPu%2F5Wnh4Bk7ILnLRFa5z%2BWoKWNw36vLFdIu%2F%2BvjU%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU3W67N4BH%2F20240616%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240616T023046Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=cea53d3422221d723604fa9e9affe70ab6d141bea7b871f4e0a7ea1d12c8d82b) |
図表2 |
![222885-2.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/222885-2.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDIaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMiQHBaq69oz0rCJsZ57s0IZTfiyBu3rEaXx8YzyChRZAiAMpZWQ0xMxFqDbhSUpaHeR8e1xXC3YASmBUlB37uF0jyqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMHHa%2FJGOlsXDDg2cZKu0DN2UlnZWazMVdFLtdOgjhpcUPTV%2BtEwIHeLeqjH%2BM4Egh7xMxdcLHg%2BN8AUtEyTWdRSxhhJtE2LMfZBYwXM98KiSXOFpfbORcokU%2BfnofclwU5v8%2FAYdjGZurgzkXRl174EFO2fLia3sYhYqeOXsBQUd1ZnlItXz5IobHGcEvSK8FByvuhzxDv2w%2BwoGmfQoMuRj1nCcl5uD1vOLeI4sFkv44pQA1zj4XAMKMSBtjv%2FZ6ScOhfuqIJJHS9Z9OkBTOGI24aCGAJR6RNxWXJVkQu84U4RMIP0EpZar0sMwabOGPcvG%2F5NAmbTk9kjvdFAO1F688W%2FwnSKI3i8DOY3HVUAh1f176XmCzo9o8DxTPJXXNOyypgLs%2F4p6J2jmQio6LjQduQtlAdfxm0gKoKBiEB2ZjbjsXIxIUwRVafQcNm7iHVhX9lHoo57xsPkv4HbQrGa4T7DjJxqP5QyLWb%2F5PrratmdCDF2fCSRKV2RvL5W7%2FDha0cChHF2Ma1OcfqeUT83jHowR3gbyVPoYLWiJjVf2nbpwpasmv%2Fo4748qttodgDBS9tuqwuVKGgNjIkglU5JTL5dxFgx7h06H5GMciiTa5t9tUb0Gohf2oP97KodngCPaQOLsIEIaAmHlKBszDD5ThfJx5GYgNv3Zv5zDXmbmzBjqmAUg7oDpDm3gj7wPwPkcrrNxUG3%2Bd2Kf1ScVwf2fhQlqCTceZqVnmYjUEKPJOw9pGTREtDhLKPElkKodEFaj%2FOiOiSG6kEvVtrI1lOjn3F9Tv1AST8v9M6JZdPlGPgF6ynUfHKR5KNaHE83tVUJMel1BbRX1sUdg2pvrGB0ubDLi%2Bjq%2Bap2AO1evPu%2F5Wnh4Bk7ILnLRFa5z%2BWoKWNw36vLFdIu%2F%2BvjU%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU3W67N4BH%2F20240616%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240616T023046Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=8c425f1628948550b7db794e069ad1cea9257e3654f33ce93a91c5888148157d) |
図表3 |
![222885-3.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/222885-3.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDIaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMiQHBaq69oz0rCJsZ57s0IZTfiyBu3rEaXx8YzyChRZAiAMpZWQ0xMxFqDbhSUpaHeR8e1xXC3YASmBUlB37uF0jyqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMHHa%2FJGOlsXDDg2cZKu0DN2UlnZWazMVdFLtdOgjhpcUPTV%2BtEwIHeLeqjH%2BM4Egh7xMxdcLHg%2BN8AUtEyTWdRSxhhJtE2LMfZBYwXM98KiSXOFpfbORcokU%2BfnofclwU5v8%2FAYdjGZurgzkXRl174EFO2fLia3sYhYqeOXsBQUd1ZnlItXz5IobHGcEvSK8FByvuhzxDv2w%2BwoGmfQoMuRj1nCcl5uD1vOLeI4sFkv44pQA1zj4XAMKMSBtjv%2FZ6ScOhfuqIJJHS9Z9OkBTOGI24aCGAJR6RNxWXJVkQu84U4RMIP0EpZar0sMwabOGPcvG%2F5NAmbTk9kjvdFAO1F688W%2FwnSKI3i8DOY3HVUAh1f176XmCzo9o8DxTPJXXNOyypgLs%2F4p6J2jmQio6LjQduQtlAdfxm0gKoKBiEB2ZjbjsXIxIUwRVafQcNm7iHVhX9lHoo57xsPkv4HbQrGa4T7DjJxqP5QyLWb%2F5PrratmdCDF2fCSRKV2RvL5W7%2FDha0cChHF2Ma1OcfqeUT83jHowR3gbyVPoYLWiJjVf2nbpwpasmv%2Fo4748qttodgDBS9tuqwuVKGgNjIkglU5JTL5dxFgx7h06H5GMciiTa5t9tUb0Gohf2oP97KodngCPaQOLsIEIaAmHlKBszDD5ThfJx5GYgNv3Zv5zDXmbmzBjqmAUg7oDpDm3gj7wPwPkcrrNxUG3%2Bd2Kf1ScVwf2fhQlqCTceZqVnmYjUEKPJOw9pGTREtDhLKPElkKodEFaj%2FOiOiSG6kEvVtrI1lOjn3F9Tv1AST8v9M6JZdPlGPgF6ynUfHKR5KNaHE83tVUJMel1BbRX1sUdg2pvrGB0ubDLi%2Bjq%2Bap2AO1evPu%2F5Wnh4Bk7ILnLRFa5z%2BWoKWNw36vLFdIu%2F%2BvjU%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU3W67N4BH%2F20240616%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240616T023046Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=1bb57ef6d00bb40907a4bd27ba509009599be4213206cb37eaa0e24392ca49c7) |
図表4 |
![222885-4.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/222885-4.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDIaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMiQHBaq69oz0rCJsZ57s0IZTfiyBu3rEaXx8YzyChRZAiAMpZWQ0xMxFqDbhSUpaHeR8e1xXC3YASmBUlB37uF0jyqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMHHa%2FJGOlsXDDg2cZKu0DN2UlnZWazMVdFLtdOgjhpcUPTV%2BtEwIHeLeqjH%2BM4Egh7xMxdcLHg%2BN8AUtEyTWdRSxhhJtE2LMfZBYwXM98KiSXOFpfbORcokU%2BfnofclwU5v8%2FAYdjGZurgzkXRl174EFO2fLia3sYhYqeOXsBQUd1ZnlItXz5IobHGcEvSK8FByvuhzxDv2w%2BwoGmfQoMuRj1nCcl5uD1vOLeI4sFkv44pQA1zj4XAMKMSBtjv%2FZ6ScOhfuqIJJHS9Z9OkBTOGI24aCGAJR6RNxWXJVkQu84U4RMIP0EpZar0sMwabOGPcvG%2F5NAmbTk9kjvdFAO1F688W%2FwnSKI3i8DOY3HVUAh1f176XmCzo9o8DxTPJXXNOyypgLs%2F4p6J2jmQio6LjQduQtlAdfxm0gKoKBiEB2ZjbjsXIxIUwRVafQcNm7iHVhX9lHoo57xsPkv4HbQrGa4T7DjJxqP5QyLWb%2F5PrratmdCDF2fCSRKV2RvL5W7%2FDha0cChHF2Ma1OcfqeUT83jHowR3gbyVPoYLWiJjVf2nbpwpasmv%2Fo4748qttodgDBS9tuqwuVKGgNjIkglU5JTL5dxFgx7h06H5GMciiTa5t9tUb0Gohf2oP97KodngCPaQOLsIEIaAmHlKBszDD5ThfJx5GYgNv3Zv5zDXmbmzBjqmAUg7oDpDm3gj7wPwPkcrrNxUG3%2Bd2Kf1ScVwf2fhQlqCTceZqVnmYjUEKPJOw9pGTREtDhLKPElkKodEFaj%2FOiOiSG6kEvVtrI1lOjn3F9Tv1AST8v9M6JZdPlGPgF6ynUfHKR5KNaHE83tVUJMel1BbRX1sUdg2pvrGB0ubDLi%2Bjq%2Bap2AO1evPu%2F5Wnh4Bk7ILnLRFa5z%2BWoKWNw36vLFdIu%2F%2BvjU%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU3W67N4BH%2F20240616%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240616T023046Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=1a75a09b43b106aa08411ead9dde7f8867dfb25e888984eb548e75a75a868dcc) |
図表5 |
![222885-5.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/222885-5.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDIaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMiQHBaq69oz0rCJsZ57s0IZTfiyBu3rEaXx8YzyChRZAiAMpZWQ0xMxFqDbhSUpaHeR8e1xXC3YASmBUlB37uF0jyqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMHHa%2FJGOlsXDDg2cZKu0DN2UlnZWazMVdFLtdOgjhpcUPTV%2BtEwIHeLeqjH%2BM4Egh7xMxdcLHg%2BN8AUtEyTWdRSxhhJtE2LMfZBYwXM98KiSXOFpfbORcokU%2BfnofclwU5v8%2FAYdjGZurgzkXRl174EFO2fLia3sYhYqeOXsBQUd1ZnlItXz5IobHGcEvSK8FByvuhzxDv2w%2BwoGmfQoMuRj1nCcl5uD1vOLeI4sFkv44pQA1zj4XAMKMSBtjv%2FZ6ScOhfuqIJJHS9Z9OkBTOGI24aCGAJR6RNxWXJVkQu84U4RMIP0EpZar0sMwabOGPcvG%2F5NAmbTk9kjvdFAO1F688W%2FwnSKI3i8DOY3HVUAh1f176XmCzo9o8DxTPJXXNOyypgLs%2F4p6J2jmQio6LjQduQtlAdfxm0gKoKBiEB2ZjbjsXIxIUwRVafQcNm7iHVhX9lHoo57xsPkv4HbQrGa4T7DjJxqP5QyLWb%2F5PrratmdCDF2fCSRKV2RvL5W7%2FDha0cChHF2Ma1OcfqeUT83jHowR3gbyVPoYLWiJjVf2nbpwpasmv%2Fo4748qttodgDBS9tuqwuVKGgNjIkglU5JTL5dxFgx7h06H5GMciiTa5t9tUb0Gohf2oP97KodngCPaQOLsIEIaAmHlKBszDD5ThfJx5GYgNv3Zv5zDXmbmzBjqmAUg7oDpDm3gj7wPwPkcrrNxUG3%2Bd2Kf1ScVwf2fhQlqCTceZqVnmYjUEKPJOw9pGTREtDhLKPElkKodEFaj%2FOiOiSG6kEvVtrI1lOjn3F9Tv1AST8v9M6JZdPlGPgF6ynUfHKR5KNaHE83tVUJMel1BbRX1sUdg2pvrGB0ubDLi%2Bjq%2Bap2AO1evPu%2F5Wnh4Bk7ILnLRFa5z%2BWoKWNw36vLFdIu%2F%2BvjU%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU3W67N4BH%2F20240616%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240616T023046Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=d6b7f7a684c6b723e6c1f7c872769655bdf7a44a11f54dc7b6ab1a97484a6fe1) |
図表6 |
![222885-6.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/222885-6.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDIaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMiQHBaq69oz0rCJsZ57s0IZTfiyBu3rEaXx8YzyChRZAiAMpZWQ0xMxFqDbhSUpaHeR8e1xXC3YASmBUlB37uF0jyqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMHHa%2FJGOlsXDDg2cZKu0DN2UlnZWazMVdFLtdOgjhpcUPTV%2BtEwIHeLeqjH%2BM4Egh7xMxdcLHg%2BN8AUtEyTWdRSxhhJtE2LMfZBYwXM98KiSXOFpfbORcokU%2BfnofclwU5v8%2FAYdjGZurgzkXRl174EFO2fLia3sYhYqeOXsBQUd1ZnlItXz5IobHGcEvSK8FByvuhzxDv2w%2BwoGmfQoMuRj1nCcl5uD1vOLeI4sFkv44pQA1zj4XAMKMSBtjv%2FZ6ScOhfuqIJJHS9Z9OkBTOGI24aCGAJR6RNxWXJVkQu84U4RMIP0EpZar0sMwabOGPcvG%2F5NAmbTk9kjvdFAO1F688W%2FwnSKI3i8DOY3HVUAh1f176XmCzo9o8DxTPJXXNOyypgLs%2F4p6J2jmQio6LjQduQtlAdfxm0gKoKBiEB2ZjbjsXIxIUwRVafQcNm7iHVhX9lHoo57xsPkv4HbQrGa4T7DjJxqP5QyLWb%2F5PrratmdCDF2fCSRKV2RvL5W7%2FDha0cChHF2Ma1OcfqeUT83jHowR3gbyVPoYLWiJjVf2nbpwpasmv%2Fo4748qttodgDBS9tuqwuVKGgNjIkglU5JTL5dxFgx7h06H5GMciiTa5t9tUb0Gohf2oP97KodngCPaQOLsIEIaAmHlKBszDD5ThfJx5GYgNv3Zv5zDXmbmzBjqmAUg7oDpDm3gj7wPwPkcrrNxUG3%2Bd2Kf1ScVwf2fhQlqCTceZqVnmYjUEKPJOw9pGTREtDhLKPElkKodEFaj%2FOiOiSG6kEvVtrI1lOjn3F9Tv1AST8v9M6JZdPlGPgF6ynUfHKR5KNaHE83tVUJMel1BbRX1sUdg2pvrGB0ubDLi%2Bjq%2Bap2AO1evPu%2F5Wnh4Bk7ILnLRFa5z%2BWoKWNw36vLFdIu%2F%2BvjU%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU3W67N4BH%2F20240616%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240616T023046Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=31d5af43ddd82686a9e31a4e199878fa0b7557deebf2442afd8ac8baf08b4616) |
カテゴリ |
肥料
馬
管理技術
栽培技術
施肥
養液栽培
|