タイトル |
飼料イネKB3506の多収栽培法 |
担当機関 |
宮崎県総合農業試験場 |
研究期間 |
1999~1999 |
研究担当者 |
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発行年度 |
1999 |
要約 |
飼料イネとして有望視している水稲インド型系統のKB3506は、再生株を利用した2回刈りで、10a当たり2tの乾物収量が得られる。この場合、移植時期は4月上~中旬、刈取時期は2回とも乳熟期であり、施肥体系は窒素成分で基肥0.9kg/a、穂肥0.3kg/a(出穂前10日)、さらに1回目刈取直後の追肥0.5kg/aとする。
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背景・ねらい |
湿田等での転作作物として、また自給粗飼料の確保の面から飼料イネが注目されているが、これまでに日本型稲より生育量の大きいインド型稲の方が、乾物収量が多く飼料イネに適していることを明らかにした。しかし、粗飼料としての利用に当たっては生産コストの低減を図る必要があり、より多収のために2回刈りの適応性や施肥量の検討を行った。
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成果の内容・特徴 |
- KB3506の稈長は100cmを越えるが、多肥栽培でも倒伏に強く、機械刈りに適する(表1)。
- 基肥施用量が多いほど生育量が大きくなって1番草の乾物収量が増加する。基肥0.9kg/aの施用によって1番草と2番草の合計が10a当たり2tになる(図1)。
- 穂肥の施用は、1番草への増収効果を高め、穂肥0.3kg/aの施用によって乾物量が最大24kg/a増える(図2)。
- 出穂後10日目の1回目刈取り直後の追肥は、2番草の再生能力を高め、追肥0.5kg/aの施用によって乾物重が最大10kg/a増える(図3)。
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成果の活用面・留意点 |
- 1回目刈取後の水管理は再生稲の生育を良くするため潤土管理とする。
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図表1 |
![221086-1.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/221086-1.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEBYaDmFwLW5vcnRoZWFzdC0xIkYwRAIgVHkSjFBzqsCxEbV89hB5BdwqRYhLbN5F9dEFF0L%2F91kCIDH5FhpazYrYHfMZ7P7yCEh0umYdPYnST3Xw4n%2FPqHx2KpkECK%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgyIqJmv711xdbRylTUq7QMPhf%2Fu0q2BVBg319bstrRlzPEAzD4Lto4PNUeTVlQu6NLOaAYeCHRazTf8rs5Zsqw4kxjDq8BcJS08DnCM%2FfxlwKxhkric%2FrXZNpg1uDMCPTdB5CmfbiqTfscucaQ2aQH%2F2t90UPnt9P7ZzIH%2FiR5nCVhiFQeVIPLkt9rqeB1OqcnJopR1IBrWHq9%2BIvO8R71S3lcmZG%2BBrJEx3ws1SM29aNrZ2HCTXc%2B8Z%2BwCUUBZG61cT%2BvMnRiwiBgcU%2FQb30R9GcBVO10veWgmuTzE7t%2B8wYYITM6fdwEmfk0HSX080jzcBb8JLg1tnvVwVKT9WGyEs84VPwPrx6BO4pAx4uiwJTB7Umsp5KnWqlckwpFyaCghX6I2%2FufNZVAd1%2F6rkFg%2BkS7QiTRzhTuvx5ffqqMkKmDNRQH5ON4nkOcE7q37ovcBaFQczrTPIUHOkXCe%2BkSpvVj2aKQXL6PATnvK4Fdx%2FBG8dbR4FoDuvwxlzv0ruTc7piI1X8W4J2bFRL7zvNzoZhDdqMOxJHyzO4d1%2FNOxdOU%2B48kqr3kHAHUayg1QWk54WGn9zNHq1KeQXbjKlR5hNghXYLZ79CeOlZT2wg3oxlbWbukdOcScEU%2FOjnOb%2FWrLEGlydW3niwAKuhErwrN6c82kHsBJ7yue%2BLSQMLTysrMGOqcByLyognLzs9%2BJ0T3hRgjLbSdKpSVHILL%2B04LH5XGPZWdlaOCHisiYOHY1osILf3qHbIsRjRNPu5OwHArblNoTxPR7hAJB8N7KmJexWTQaijIM7NLky9OdvEyh%2B%2FdqWWrQIh6GG6c7Vl7LSpxWYqLBBt4uRVuEEDXsVf5qHgrzfcpufBMInYXx7%2BZKmX8PwHbqtJkeSr6b56k%2Bgd3DdzM%2BdwsmVueL4vo%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU7DBJHHMQ%2F20240614%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240614T214526Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=e40e917d7d2d9f3ff15aaab9e62e35dbfc89d490fa513253aab7830909985305) |
図表2 |
![221086-2.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/221086-2.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEBYaDmFwLW5vcnRoZWFzdC0xIkYwRAIgVHkSjFBzqsCxEbV89hB5BdwqRYhLbN5F9dEFF0L%2F91kCIDH5FhpazYrYHfMZ7P7yCEh0umYdPYnST3Xw4n%2FPqHx2KpkECK%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgyIqJmv711xdbRylTUq7QMPhf%2Fu0q2BVBg319bstrRlzPEAzD4Lto4PNUeTVlQu6NLOaAYeCHRazTf8rs5Zsqw4kxjDq8BcJS08DnCM%2FfxlwKxhkric%2FrXZNpg1uDMCPTdB5CmfbiqTfscucaQ2aQH%2F2t90UPnt9P7ZzIH%2FiR5nCVhiFQeVIPLkt9rqeB1OqcnJopR1IBrWHq9%2BIvO8R71S3lcmZG%2BBrJEx3ws1SM29aNrZ2HCTXc%2B8Z%2BwCUUBZG61cT%2BvMnRiwiBgcU%2FQb30R9GcBVO10veWgmuTzE7t%2B8wYYITM6fdwEmfk0HSX080jzcBb8JLg1tnvVwVKT9WGyEs84VPwPrx6BO4pAx4uiwJTB7Umsp5KnWqlckwpFyaCghX6I2%2FufNZVAd1%2F6rkFg%2BkS7QiTRzhTuvx5ffqqMkKmDNRQH5ON4nkOcE7q37ovcBaFQczrTPIUHOkXCe%2BkSpvVj2aKQXL6PATnvK4Fdx%2FBG8dbR4FoDuvwxlzv0ruTc7piI1X8W4J2bFRL7zvNzoZhDdqMOxJHyzO4d1%2FNOxdOU%2B48kqr3kHAHUayg1QWk54WGn9zNHq1KeQXbjKlR5hNghXYLZ79CeOlZT2wg3oxlbWbukdOcScEU%2FOjnOb%2FWrLEGlydW3niwAKuhErwrN6c82kHsBJ7yue%2BLSQMLTysrMGOqcByLyognLzs9%2BJ0T3hRgjLbSdKpSVHILL%2B04LH5XGPZWdlaOCHisiYOHY1osILf3qHbIsRjRNPu5OwHArblNoTxPR7hAJB8N7KmJexWTQaijIM7NLky9OdvEyh%2B%2FdqWWrQIh6GG6c7Vl7LSpxWYqLBBt4uRVuEEDXsVf5qHgrzfcpufBMInYXx7%2BZKmX8PwHbqtJkeSr6b56k%2Bgd3DdzM%2BdwsmVueL4vo%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU7DBJHHMQ%2F20240614%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240614T214526Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=1d49b083aced877246529fe2e6636c82b72061159dcf517746aeb616f05f2260) |
図表3 |
![221086-3.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/221086-3.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEBYaDmFwLW5vcnRoZWFzdC0xIkYwRAIgVHkSjFBzqsCxEbV89hB5BdwqRYhLbN5F9dEFF0L%2F91kCIDH5FhpazYrYHfMZ7P7yCEh0umYdPYnST3Xw4n%2FPqHx2KpkECK%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgyIqJmv711xdbRylTUq7QMPhf%2Fu0q2BVBg319bstrRlzPEAzD4Lto4PNUeTVlQu6NLOaAYeCHRazTf8rs5Zsqw4kxjDq8BcJS08DnCM%2FfxlwKxhkric%2FrXZNpg1uDMCPTdB5CmfbiqTfscucaQ2aQH%2F2t90UPnt9P7ZzIH%2FiR5nCVhiFQeVIPLkt9rqeB1OqcnJopR1IBrWHq9%2BIvO8R71S3lcmZG%2BBrJEx3ws1SM29aNrZ2HCTXc%2B8Z%2BwCUUBZG61cT%2BvMnRiwiBgcU%2FQb30R9GcBVO10veWgmuTzE7t%2B8wYYITM6fdwEmfk0HSX080jzcBb8JLg1tnvVwVKT9WGyEs84VPwPrx6BO4pAx4uiwJTB7Umsp5KnWqlckwpFyaCghX6I2%2FufNZVAd1%2F6rkFg%2BkS7QiTRzhTuvx5ffqqMkKmDNRQH5ON4nkOcE7q37ovcBaFQczrTPIUHOkXCe%2BkSpvVj2aKQXL6PATnvK4Fdx%2FBG8dbR4FoDuvwxlzv0ruTc7piI1X8W4J2bFRL7zvNzoZhDdqMOxJHyzO4d1%2FNOxdOU%2B48kqr3kHAHUayg1QWk54WGn9zNHq1KeQXbjKlR5hNghXYLZ79CeOlZT2wg3oxlbWbukdOcScEU%2FOjnOb%2FWrLEGlydW3niwAKuhErwrN6c82kHsBJ7yue%2BLSQMLTysrMGOqcByLyognLzs9%2BJ0T3hRgjLbSdKpSVHILL%2B04LH5XGPZWdlaOCHisiYOHY1osILf3qHbIsRjRNPu5OwHArblNoTxPR7hAJB8N7KmJexWTQaijIM7NLky9OdvEyh%2B%2FdqWWrQIh6GG6c7Vl7LSpxWYqLBBt4uRVuEEDXsVf5qHgrzfcpufBMInYXx7%2BZKmX8PwHbqtJkeSr6b56k%2Bgd3DdzM%2BdwsmVueL4vo%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU7DBJHHMQ%2F20240614%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240614T214526Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=2ec31aea829d8cf4ac6e916b873d22b5e7baa0772b4270969c6a7864997b0bf9) |
図表4 |
![221086-4.jpg](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/221086-4.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEBYaDmFwLW5vcnRoZWFzdC0xIkYwRAIgVHkSjFBzqsCxEbV89hB5BdwqRYhLbN5F9dEFF0L%2F91kCIDH5FhpazYrYHfMZ7P7yCEh0umYdPYnST3Xw4n%2FPqHx2KpkECK%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMNTMyMzMxMDcyMDQxIgyIqJmv711xdbRylTUq7QMPhf%2Fu0q2BVBg319bstrRlzPEAzD4Lto4PNUeTVlQu6NLOaAYeCHRazTf8rs5Zsqw4kxjDq8BcJS08DnCM%2FfxlwKxhkric%2FrXZNpg1uDMCPTdB5CmfbiqTfscucaQ2aQH%2F2t90UPnt9P7ZzIH%2FiR5nCVhiFQeVIPLkt9rqeB1OqcnJopR1IBrWHq9%2BIvO8R71S3lcmZG%2BBrJEx3ws1SM29aNrZ2HCTXc%2B8Z%2BwCUUBZG61cT%2BvMnRiwiBgcU%2FQb30R9GcBVO10veWgmuTzE7t%2B8wYYITM6fdwEmfk0HSX080jzcBb8JLg1tnvVwVKT9WGyEs84VPwPrx6BO4pAx4uiwJTB7Umsp5KnWqlckwpFyaCghX6I2%2FufNZVAd1%2F6rkFg%2BkS7QiTRzhTuvx5ffqqMkKmDNRQH5ON4nkOcE7q37ovcBaFQczrTPIUHOkXCe%2BkSpvVj2aKQXL6PATnvK4Fdx%2FBG8dbR4FoDuvwxlzv0ruTc7piI1X8W4J2bFRL7zvNzoZhDdqMOxJHyzO4d1%2FNOxdOU%2B48kqr3kHAHUayg1QWk54WGn9zNHq1KeQXbjKlR5hNghXYLZ79CeOlZT2wg3oxlbWbukdOcScEU%2FOjnOb%2FWrLEGlydW3niwAKuhErwrN6c82kHsBJ7yue%2BLSQMLTysrMGOqcByLyognLzs9%2BJ0T3hRgjLbSdKpSVHILL%2B04LH5XGPZWdlaOCHisiYOHY1osILf3qHbIsRjRNPu5OwHArblNoTxPR7hAJB8N7KmJexWTQaijIM7NLky9OdvEyh%2B%2FdqWWrQIh6GG6c7Vl7LSpxWYqLBBt4uRVuEEDXsVf5qHgrzfcpufBMInYXx7%2BZKmX8PwHbqtJkeSr6b56k%2Bgd3DdzM%2BdwsmVueL4vo%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU7DBJHHMQ%2F20240614%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240614T214526Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=b94934a4592b81b8a845a6a0e0f9eb713a3ef15dd0a5e10cf00b62e8313b6487) |
カテゴリ |
コスト
水稲
施肥
水管理
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