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- Title
刈割时期和留茬高度对水稻饲草产量、品质及籽粒产量的影响.
- Authors
彭廷; 王童童; 李玲子; 陈亚蓝; 静莉丽; 王家琪; 王成章; 张 静; 滕永忠; 赵全志
- Abstract
In order to alleviate the serious situation of land used for growing food and herbage crops, and develop the planting model of rice for both grain and feed, split plot design was carried out, clipping stage (heading-blooming stage, filling stage and wax maturity stage) was set as the main plot, stubble height (25 cm, 35 cm and 45 cm) was set as the sub-plot, and the effect of clipping stage and stubble height on the yield, quality of dry herbage and silage of first-season rice and the grain yield of ratoon rice was studied. The results showed that the yield of dry herbage and silage of first-season rice increased, and the yield of ratoon rice decreased gradually with the delay of clipping time. Regarding to the stubble height, the yield of dry herbage and silage of the first-season rice decreased gradually with the increase of stubble height, while higher yield of ratoon rice was harvested when the lower of the stubble height in the headingblooming stage and higher of the stubble height in the filling stage and the wax maturity stage. The quality of dry herbage clipped at heading-blooming stage and silage clipped at wax maturity stage was the best, both reaching the first grade according to the standard. Taken together, two candidate cultivation technologies of rice served as food and herbage crops are recommended. First, ratoon rice is main, and high quality dry herbage is as a supplement. In detail, when first-season rice is clipped at heading-blooming stage with 25 cm stubble height, 10. 51 t/ ha high-quality first-grade dry herbage and 10. 58 t/ ha ratoon rice will be harvested. Second, high quality silage is main, and ratoon rice is as a supplement. In detail, wihen firstseason rice is clipped at wax maturity stage with 25 cm stubble height, 34. 66 t/ ha high-quality first-grade silage and 4. 21 t/ ha ratoon rice will be harvested. The above two cultivation technologies are new ways to realize the organic integration of planting industry and breeding industry.
- Subjects
PLANT breeding; FOOD crops; GRAIN yields; GRAIN as feed; FOOD portions; SILAGE
- Publication
Journal of Henan Agricultural Sciences, 2020, Vol 49, Issue 2, p27
- ISSN
1004-3268
- Publication type
Article
- DOI
10.15933/j.cnki.1004-3268.2020.02.004