A cultivation method of the leek [Allium fistulosum] which gives all of a basal fertilizer to rhizosphere by using a coating fertilizer
2001
Konno, Y. (Yamagata-ken. Agricultural Experiment Station (Japan)) | Kumagai, K. | Togashi, M. | Kuroda, J. | Ueno, M.
We developed a method of new cultivation for a leek. This cultivation method gives all the necessary fertilizer to rhizosphere of a leek as a basal fertilizer by using a coating fertilizer. As for this cultivation method, around 20% were able to reduce a quantity of use of fertilizer compared with a traditional cultivation method. However, the quantity of crop of a leek increased in around 1.3 times compared with a traditional cultivation method. In clayey soil, as for the use efficiency of the nitrogenous fertilizer which they gave to a leek, around 25% improved compared with a traditional cultivation method. On the other hand, in sandy soil, as for the use efficiency of the nitrogenous fertilizer which they gave to a leek, around 18% improved compared with a traditional cultivation method. In addition, in clayey soil, as for the use efficiency of the phosphate fertilizer which they gave to a leek, around 15% improved compared with a traditional cultivation method, and I compared the use efficiency of the potassium fertilizer which I gave to a leek with a conventional cultivation method, and around 34% improved.
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