秋冬作飼料作物が後作における夏作物の生育および収量に及ぼす影響 : 第2報夏作物の生育および収量

概要

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The experimental results of winter forage crops were described in the previous report (Report I). In this paper, the growth and yield of succeeding summer crops are reported. 1) When early sowing upland rice was transplanted after Italian ryegrass, rooting was poor. And when early sowing upland or paddy rice was sown after Italian ryegrass, hairy vetch, red clover and serradella, germination was depressed. 2) The growth in earlier stage of early sowing upland rice was poor, when sown after Italian ryegrass, oats and oat-vetch mixture. This was not seen in early sowing paddy rice. In mature stage, however, no clear difference was seen in both of upland and paddy rice. 3) The yield of early sowing paddy rice was reduced when sown after red clover, serradella and Italian ryegrass. In upland rice, however, no clear difference was seen. 4) Growth and yield of sweet potato were superior when planted after red clover and hairy vetch, and were particularly notable in the weight of vine. 5) Effect of winter forage crops was remarkable on the growth of sweet potato and early sowing paddy rice in upland field, but was not clear on that of early sowing upland rice.
日本作物学会の論文
1964-07-30