タイトル |
静岡県内農耕地土壌の深さ別養分分布 |
担当機関 |
静岡農試 |
研究期間 |
1979~2002 |
研究担当者 |
江本勇治
山本光宣
松本昌直
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発行年度 |
2001 |
要約 |
静岡県内の農耕地土壌は、土壌表層だけでなく、下層でも塩基類やアニオン類の 濃度が高い事例がみられる。
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背景・ねらい |
県内の従来の土壌調査では肥培管理が土壌深部まで及ぼす影響についてのデータが少ない、このため、定点モニタリング調査において、土壌を深さ別に調査し、負荷の実態を把握する。
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成果の内容・特徴 |
- 平成12年度のモニタリング調査において、施設6、茶園7,普通畑3、水田3、果樹3地点について土壌養分を深さ別に調査した。
- 肥培管理による塩基類の影響は、塩基バランスが適正な作目・土壌は施設土壌(灰色低地土・トマト等)及び普通畑土壌(砂丘未熟土・ダイコン)、水田土壌(細粒グライ、灰色低地土・水稲)であるが前者は塩基が過剰域、後者は欠乏域である。
また、塩基バランスが適正外の作目・土壌は茶園土壌(赤色、黄色、黒ボク土)と果樹園土壌(赤色、黄色土・ミカン)であり、カリウム濃度が高く、マグネシウム濃度が低いためMg/Kが適正範囲外にある(図1~3、表1)。 - 肥培管理によるアニオン類の影響は、硝酸イオン濃度は施設土壌のように表層ほど高いものと茶園土壌や果樹園土壌のように下層で濃度が非常に高くなるもの、普通畑や水田のように全層で濃度は低いものがある。
また、硫酸イオン濃度は硝酸イオンと同じような傾向であったが、水田では表層及び75cm以下の下層で高かった(図4~5)。
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成果の活用面・留意点 |
- 施設土壌では、カルシウムやマグネシウム濃度が高く、苦土石灰質資材の減肥などの塩基のバランスに留意した施肥管理を行う。
茶・果樹園土壌では、カリウム濃度が高く、配合肥料の成分の改善など、マグネシウムとの塩基のバランスに留意した施肥管理を行う。 普通畑を除く各土壌では、下層部の硝酸イオンが高く系外への負荷が予想されるため、施肥量の低減、肥料資材や施用位置等の改善による効率的な施肥方法を積極的に行う。
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図表1 |
![216695-1.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/216695-1.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECMaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMoPKU1qUBikdisIQpvzLpP1P4US0tlOq2gkqY3hWQsLAiB5L9wm7s9%2BZvZ8Ir71cgYTD%2FH1EQWloPdRAsEht7bcciqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMhzOE4RBeLPrIPFPjKu0DuVmUd17KC5kGasrWCVsLd53dl%2BCBSTjwSFxqA68Ka9HzGQmwUQlbBd72dLp5bNrYDjv87VSDO2I5DSiHS28W9yCwbcTA%2FMLLYHivEa4v1BEBaScLBNLSB0sx4lmGg7DOvXfrgzjflBpZkykB8KFjm8taONYytJFE1zWLXixkwkoKzvtCyLqNa8IqnG2y6DYxdqp%2F%2FA1NKs2tCwbREK62cQp30dqkGNaKegqVEXzp7%2BWfFYKGNlN6EqZgXxpZvOtkthyN9uEftQdMyoYKdTDJHyBjjFFOdJ10cfkuaVOW9OiqfaeqYnSfNaaYUWuYJNKs6FzPCEQAkiPYELugC%2By6U4y5UU8XYR38atotTXIsYNcIuj3IhfCRWBZbpOKCDX%2FrwLnDHdmNPXgskfxFSn%2FWlXkf61nqutLVSQJF5FXSc6dU0Qazi3JCHtTWPf2JD9Q32VYjQFk29fEA4VpjfeSsXJPF%2Bwi%2B6cm0PjMnYAD1%2FzRdIkI1Q32VGfLkZdrUBDZRmipI%2BE9Tn9b%2BrlCPN395GY5rkjq%2BJynivxeshuXWdOnk3KS%2F8AUhl9RPCpOxsaP2UwD1I9JlXSJOGVjLXiBRTvB9eeiOYWosJ8AF1iMGzki10N%2BRXY4hmt9a3YYHp86jXNXmNKJvBD3Mo4xdJjCngO6zBjqmAZNYCNaSYIz8NV4WgMl0RGH4AmUzdYvU3xmQfsAAwq9B8zR1uyc%2BiAySRu%2BrmAQOKVEh2DHKJ5uN8qKsNbiH63aK18YKgUGHrS4oUU7sBIZBz4fm6Ol3R%2BYYsKeHXF87i8tL%2Bz2FvtFrTsDvlY4%2FmjeKWKQaNeDCYX8OwLsdHVr2Fw294I1QQvGslo8xme8rI4vxfq%2Be7LVbZb7JRfu4bqRb75BSnw4%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU6R5WGLSM%2F20240626%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240626T024705Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=69c03af35364dee0accf6e4276aa4fec0ef28e070747e42c5f483c9697dd8485) |
図表2 |
![216695-2.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/216695-2.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECMaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMoPKU1qUBikdisIQpvzLpP1P4US0tlOq2gkqY3hWQsLAiB5L9wm7s9%2BZvZ8Ir71cgYTD%2FH1EQWloPdRAsEht7bcciqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMhzOE4RBeLPrIPFPjKu0DuVmUd17KC5kGasrWCVsLd53dl%2BCBSTjwSFxqA68Ka9HzGQmwUQlbBd72dLp5bNrYDjv87VSDO2I5DSiHS28W9yCwbcTA%2FMLLYHivEa4v1BEBaScLBNLSB0sx4lmGg7DOvXfrgzjflBpZkykB8KFjm8taONYytJFE1zWLXixkwkoKzvtCyLqNa8IqnG2y6DYxdqp%2F%2FA1NKs2tCwbREK62cQp30dqkGNaKegqVEXzp7%2BWfFYKGNlN6EqZgXxpZvOtkthyN9uEftQdMyoYKdTDJHyBjjFFOdJ10cfkuaVOW9OiqfaeqYnSfNaaYUWuYJNKs6FzPCEQAkiPYELugC%2By6U4y5UU8XYR38atotTXIsYNcIuj3IhfCRWBZbpOKCDX%2FrwLnDHdmNPXgskfxFSn%2FWlXkf61nqutLVSQJF5FXSc6dU0Qazi3JCHtTWPf2JD9Q32VYjQFk29fEA4VpjfeSsXJPF%2Bwi%2B6cm0PjMnYAD1%2FzRdIkI1Q32VGfLkZdrUBDZRmipI%2BE9Tn9b%2BrlCPN395GY5rkjq%2BJynivxeshuXWdOnk3KS%2F8AUhl9RPCpOxsaP2UwD1I9JlXSJOGVjLXiBRTvB9eeiOYWosJ8AF1iMGzki10N%2BRXY4hmt9a3YYHp86jXNXmNKJvBD3Mo4xdJjCngO6zBjqmAZNYCNaSYIz8NV4WgMl0RGH4AmUzdYvU3xmQfsAAwq9B8zR1uyc%2BiAySRu%2BrmAQOKVEh2DHKJ5uN8qKsNbiH63aK18YKgUGHrS4oUU7sBIZBz4fm6Ol3R%2BYYsKeHXF87i8tL%2Bz2FvtFrTsDvlY4%2FmjeKWKQaNeDCYX8OwLsdHVr2Fw294I1QQvGslo8xme8rI4vxfq%2Be7LVbZb7JRfu4bqRb75BSnw4%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU6R5WGLSM%2F20240626%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240626T024705Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=50ce9dfbc2ccb8d1cb790fe68c7f33e3cbb5f5d6bb29a4183ffccc9aa41a638c) |
図表3 |
![216695-3.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/216695-3.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECMaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMoPKU1qUBikdisIQpvzLpP1P4US0tlOq2gkqY3hWQsLAiB5L9wm7s9%2BZvZ8Ir71cgYTD%2FH1EQWloPdRAsEht7bcciqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMhzOE4RBeLPrIPFPjKu0DuVmUd17KC5kGasrWCVsLd53dl%2BCBSTjwSFxqA68Ka9HzGQmwUQlbBd72dLp5bNrYDjv87VSDO2I5DSiHS28W9yCwbcTA%2FMLLYHivEa4v1BEBaScLBNLSB0sx4lmGg7DOvXfrgzjflBpZkykB8KFjm8taONYytJFE1zWLXixkwkoKzvtCyLqNa8IqnG2y6DYxdqp%2F%2FA1NKs2tCwbREK62cQp30dqkGNaKegqVEXzp7%2BWfFYKGNlN6EqZgXxpZvOtkthyN9uEftQdMyoYKdTDJHyBjjFFOdJ10cfkuaVOW9OiqfaeqYnSfNaaYUWuYJNKs6FzPCEQAkiPYELugC%2By6U4y5UU8XYR38atotTXIsYNcIuj3IhfCRWBZbpOKCDX%2FrwLnDHdmNPXgskfxFSn%2FWlXkf61nqutLVSQJF5FXSc6dU0Qazi3JCHtTWPf2JD9Q32VYjQFk29fEA4VpjfeSsXJPF%2Bwi%2B6cm0PjMnYAD1%2FzRdIkI1Q32VGfLkZdrUBDZRmipI%2BE9Tn9b%2BrlCPN395GY5rkjq%2BJynivxeshuXWdOnk3KS%2F8AUhl9RPCpOxsaP2UwD1I9JlXSJOGVjLXiBRTvB9eeiOYWosJ8AF1iMGzki10N%2BRXY4hmt9a3YYHp86jXNXmNKJvBD3Mo4xdJjCngO6zBjqmAZNYCNaSYIz8NV4WgMl0RGH4AmUzdYvU3xmQfsAAwq9B8zR1uyc%2BiAySRu%2BrmAQOKVEh2DHKJ5uN8qKsNbiH63aK18YKgUGHrS4oUU7sBIZBz4fm6Ol3R%2BYYsKeHXF87i8tL%2Bz2FvtFrTsDvlY4%2FmjeKWKQaNeDCYX8OwLsdHVr2Fw294I1QQvGslo8xme8rI4vxfq%2Be7LVbZb7JRfu4bqRb75BSnw4%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU6R5WGLSM%2F20240626%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240626T024705Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=f2fd51717c774c029f622372703a13ebe303480e71d2ab8e6f1c09d650e98526) |
図表4 |
![216695-4.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/216695-4.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECMaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMoPKU1qUBikdisIQpvzLpP1P4US0tlOq2gkqY3hWQsLAiB5L9wm7s9%2BZvZ8Ir71cgYTD%2FH1EQWloPdRAsEht7bcciqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMhzOE4RBeLPrIPFPjKu0DuVmUd17KC5kGasrWCVsLd53dl%2BCBSTjwSFxqA68Ka9HzGQmwUQlbBd72dLp5bNrYDjv87VSDO2I5DSiHS28W9yCwbcTA%2FMLLYHivEa4v1BEBaScLBNLSB0sx4lmGg7DOvXfrgzjflBpZkykB8KFjm8taONYytJFE1zWLXixkwkoKzvtCyLqNa8IqnG2y6DYxdqp%2F%2FA1NKs2tCwbREK62cQp30dqkGNaKegqVEXzp7%2BWfFYKGNlN6EqZgXxpZvOtkthyN9uEftQdMyoYKdTDJHyBjjFFOdJ10cfkuaVOW9OiqfaeqYnSfNaaYUWuYJNKs6FzPCEQAkiPYELugC%2By6U4y5UU8XYR38atotTXIsYNcIuj3IhfCRWBZbpOKCDX%2FrwLnDHdmNPXgskfxFSn%2FWlXkf61nqutLVSQJF5FXSc6dU0Qazi3JCHtTWPf2JD9Q32VYjQFk29fEA4VpjfeSsXJPF%2Bwi%2B6cm0PjMnYAD1%2FzRdIkI1Q32VGfLkZdrUBDZRmipI%2BE9Tn9b%2BrlCPN395GY5rkjq%2BJynivxeshuXWdOnk3KS%2F8AUhl9RPCpOxsaP2UwD1I9JlXSJOGVjLXiBRTvB9eeiOYWosJ8AF1iMGzki10N%2BRXY4hmt9a3YYHp86jXNXmNKJvBD3Mo4xdJjCngO6zBjqmAZNYCNaSYIz8NV4WgMl0RGH4AmUzdYvU3xmQfsAAwq9B8zR1uyc%2BiAySRu%2BrmAQOKVEh2DHKJ5uN8qKsNbiH63aK18YKgUGHrS4oUU7sBIZBz4fm6Ol3R%2BYYsKeHXF87i8tL%2Bz2FvtFrTsDvlY4%2FmjeKWKQaNeDCYX8OwLsdHVr2Fw294I1QQvGslo8xme8rI4vxfq%2Be7LVbZb7JRfu4bqRb75BSnw4%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU6R5WGLSM%2F20240626%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240626T024705Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=3869b16892c8cab7dfa39aba35943efa454dd8fdbe464c22098d92504ec09543) |
図表5 |
![216695-5.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/216695-5.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECMaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMoPKU1qUBikdisIQpvzLpP1P4US0tlOq2gkqY3hWQsLAiB5L9wm7s9%2BZvZ8Ir71cgYTD%2FH1EQWloPdRAsEht7bcciqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMhzOE4RBeLPrIPFPjKu0DuVmUd17KC5kGasrWCVsLd53dl%2BCBSTjwSFxqA68Ka9HzGQmwUQlbBd72dLp5bNrYDjv87VSDO2I5DSiHS28W9yCwbcTA%2FMLLYHivEa4v1BEBaScLBNLSB0sx4lmGg7DOvXfrgzjflBpZkykB8KFjm8taONYytJFE1zWLXixkwkoKzvtCyLqNa8IqnG2y6DYxdqp%2F%2FA1NKs2tCwbREK62cQp30dqkGNaKegqVEXzp7%2BWfFYKGNlN6EqZgXxpZvOtkthyN9uEftQdMyoYKdTDJHyBjjFFOdJ10cfkuaVOW9OiqfaeqYnSfNaaYUWuYJNKs6FzPCEQAkiPYELugC%2By6U4y5UU8XYR38atotTXIsYNcIuj3IhfCRWBZbpOKCDX%2FrwLnDHdmNPXgskfxFSn%2FWlXkf61nqutLVSQJF5FXSc6dU0Qazi3JCHtTWPf2JD9Q32VYjQFk29fEA4VpjfeSsXJPF%2Bwi%2B6cm0PjMnYAD1%2FzRdIkI1Q32VGfLkZdrUBDZRmipI%2BE9Tn9b%2BrlCPN395GY5rkjq%2BJynivxeshuXWdOnk3KS%2F8AUhl9RPCpOxsaP2UwD1I9JlXSJOGVjLXiBRTvB9eeiOYWosJ8AF1iMGzki10N%2BRXY4hmt9a3YYHp86jXNXmNKJvBD3Mo4xdJjCngO6zBjqmAZNYCNaSYIz8NV4WgMl0RGH4AmUzdYvU3xmQfsAAwq9B8zR1uyc%2BiAySRu%2BrmAQOKVEh2DHKJ5uN8qKsNbiH63aK18YKgUGHrS4oUU7sBIZBz4fm6Ol3R%2BYYsKeHXF87i8tL%2Bz2FvtFrTsDvlY4%2FmjeKWKQaNeDCYX8OwLsdHVr2Fw294I1QQvGslo8xme8rI4vxfq%2Be7LVbZb7JRfu4bqRb75BSnw4%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU6R5WGLSM%2F20240626%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240626T024705Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=d89ca1dd18f4e4652834646a718c7562a12ac560714c891e8d81780c53e4e175) |
図表6 |
![216695-6.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/216695-6.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjECMaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAMoPKU1qUBikdisIQpvzLpP1P4US0tlOq2gkqY3hWQsLAiB5L9wm7s9%2BZvZ8Ir71cgYTD%2FH1EQWloPdRAsEht7bcciqZBAjM%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMhzOE4RBeLPrIPFPjKu0DuVmUd17KC5kGasrWCVsLd53dl%2BCBSTjwSFxqA68Ka9HzGQmwUQlbBd72dLp5bNrYDjv87VSDO2I5DSiHS28W9yCwbcTA%2FMLLYHivEa4v1BEBaScLBNLSB0sx4lmGg7DOvXfrgzjflBpZkykB8KFjm8taONYytJFE1zWLXixkwkoKzvtCyLqNa8IqnG2y6DYxdqp%2F%2FA1NKs2tCwbREK62cQp30dqkGNaKegqVEXzp7%2BWfFYKGNlN6EqZgXxpZvOtkthyN9uEftQdMyoYKdTDJHyBjjFFOdJ10cfkuaVOW9OiqfaeqYnSfNaaYUWuYJNKs6FzPCEQAkiPYELugC%2By6U4y5UU8XYR38atotTXIsYNcIuj3IhfCRWBZbpOKCDX%2FrwLnDHdmNPXgskfxFSn%2FWlXkf61nqutLVSQJF5FXSc6dU0Qazi3JCHtTWPf2JD9Q32VYjQFk29fEA4VpjfeSsXJPF%2Bwi%2B6cm0PjMnYAD1%2FzRdIkI1Q32VGfLkZdrUBDZRmipI%2BE9Tn9b%2BrlCPN395GY5rkjq%2BJynivxeshuXWdOnk3KS%2F8AUhl9RPCpOxsaP2UwD1I9JlXSJOGVjLXiBRTvB9eeiOYWosJ8AF1iMGzki10N%2BRXY4hmt9a3YYHp86jXNXmNKJvBD3Mo4xdJjCngO6zBjqmAZNYCNaSYIz8NV4WgMl0RGH4AmUzdYvU3xmQfsAAwq9B8zR1uyc%2BiAySRu%2BrmAQOKVEh2DHKJ5uN8qKsNbiH63aK18YKgUGHrS4oUU7sBIZBz4fm6Ol3R%2BYYsKeHXF87i8tL%2Bz2FvtFrTsDvlY4%2FmjeKWKQaNeDCYX8OwLsdHVr2Fw294I1QQvGslo8xme8rI4vxfq%2Be7LVbZb7JRfu4bqRb75BSnw4%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU6R5WGLSM%2F20240626%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240626T024705Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=c1474b58ddfa495cec130c8e63923e7a8833d388e6605c2e468dc1d921aaa49a) |
カテゴリ |
肥料
水田
施肥
だいこん
茶
トマト
肥培管理
モニタリング
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