Effects of Two Mechanical Harvest Modes on Alfalfa Yield and Quality

doi:10.6048/j.issn.1001-4330.2018.03.020

Abstract

Abstract: 【Objective】 To study the effects of different mechanical harvest patterns on the yield and quality of alfalfa.【Method】Two kinds of mechanical harvesting models, CLAAS series machinery and New Holland series machinery were studied and field experiments were conducted to verify the effects of two mechanical models on alfalfa yield and nutritional quality.【Result】The yield and density of hay harvested by New Holland series machinery was significantly higher than those of the hay harvested by CLAAS series machinery (P<0.05), while the moisture content of straw bundles was significantly lower than that of the hay harvested by CLAAS series machinery. The nutrient loss of alfalfa was not different in cutting stage. The nutrient loss of clover was higher than that of New Holland (P<0.05) and RFV was also lower than that of New Holland after mechanical operation.【Conclusion】The comprehensive comparison of the two mechanical harvesting models showed that the alfalfa hay had less nutrient loss and better quality when New Holland series mechanical harvesting model was used.

Key words: alfalfa; machinery harvest; yield; nutritional quality

摘要： 【目的】研究不同机械收获模式对苜蓿产量及品质的影响。【方法】以CLAAS系列和New Holland系列两种机械收获模式为对象,采取大田试验验证两种机械模式对苜蓿产量及营养品质的影响。【结果】New Holland系列机械收获的干草产量和密度显著高于CLAAS系列机械收获的(P<0.05),草捆水分含量极显著低于CLAAS系列机械(P<0.01)。两种机械作业在刈割阶段对苜蓿养分的损失差别不大;而在搂草翻晒和打捆环节,CLAAS系列机械对苜蓿的养分损失较大,养分损失显著高于New Holland机械作业后对苜蓿养分的损失(P<0.05),RFV也低于New Holland机械作业后的值。【结论】采用New Holland系列机械收获模式作业时,苜蓿干草的营养损失较小,品质更好。

关键词: 苜蓿, 机械收获, 产量, 营养品质

CLC Number:

JING Peng-cheng, LU Wei-hua, MA Chun-hui, ZHANG Fan-fan, WANG Shu-lin, JIN Sheng-fei. Effects of Two Mechanical Harvest Modes on Alfalfa Yield and Quality[J]. Xinjiang Agricultural Sciences, 2018, 55(3): 564-571.

景鹏成,鲁为华,马春晖,张凡凡,王树林,靳省飞. 两种机械收获模式对苜蓿干草产量及品质的影响[J]. 新疆农业科学, 2018, 55(3): 564-571.

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