在不同的剂量和延迟周期下,Paiaguás草的形态发生,结构和化学组成
Armando Alves de Carvalho1, Antonio Leandro Chaves Gurgel1, Miguel Arcanjo Moreira Filho1
1Professora Cinobelina Elvas Campus, Federal University of Piauí, Bom Jesus 64900-000, Brazil.
Plants (Basel, Switzerland)
|February 13, 2026
概括
化肥显著提高了Paiaguás草的生长和营养价值. 在80天的储存时间内应用75mgNdm-3优化了牧场管理,改善了料产量和质量.
科学领域:
- 农业学是一种农业学.
- 植物科学 植物科学
- 动物营养 动物营养
背景情况:
- * Brachiaria brizantha (Paiaguás草) 是热带牧场的一个关键料草.
- *有效的管理对于最大限度地提高其生产率和营养质量至关重要.
- * 化肥和战略延期是牧场管理的重要组成部分.
研究的目的:
- * 调查不同 (N) 施肥水平对Paiaguás草的影响.
- * 评估不同储存期对料特性的影响.
- * 为了确定最佳的应用和储存时间,以提高牧场性能.
主要方法:
- * 一个实验使用了一个随机的块设计与一个4x2的因数排列.
- *治疗包括四次剂量 (0-75 mg N dm-3) 和两个储存期 (80天和120天).
- * 评估了Brachiaria brizantha cv. 的形态遗传,结构,生产和营养特征. 帕拉瓜斯. 巴拉瓜斯. 巴拉瓜斯.
主要成果:
- *增加N剂量线性增强了叶子动力学和板密度,同时减少了花.
- * 料和叶片质量在N受精时线性增加.
- * 根质量显示出二次反应,达到60.18 mg N dm-3的峰值.
- *原始蛋白质含量随着植物所有部位的N受精而显著增加.
- * 对于关键营养成分,N剂量和储存期之间没有显著的相互作用.
结论:
- *75 mg N dm-3 的化肥与80天的储存相结合,优化了树冠结构,料产量和营养质量.
- *同步气供应与延迟放牧时间对于有效的延迟放牧管理至关重要.
- *研究结果为改善Brachiaria brizantha cv.提供了宝贵的见解. 在热带牧场上提高生产力和质量.
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