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Effects of no-tillage with straw mulch on water saving during fallow and soil temperature regulation in growing season

Yao Baolin, Jing Ming, Shi Jionglin

Gansu nong ye da xue xue bao, 2005-04, Vol.40 (2)

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Título:
Effects of no-tillage with straw mulch on water saving during fallow and soil temperature regulation in growing season
Autor: Yao Baolin, Jing Ming, Shi Jionglin
Assuntos: CERO-LABRANZA ; CONSERVACION DE AGUAS ; CONSERVATION DE L'EAU ; http://www.fao.org/aos/agrovoc#c_7722 ; http://www.fao.org/aos/agrovoc#c_8315 ; http://www.fao.org/aos/agrovoc#c_8511 ; NON-TRAVAIL DU SOL ; TERMORREGULACION ; THERMOREGULATION ; WATER CONSERVATION ; ZERO TILLAGE
É parte de: Gansu nong ye da xue xue bao, 2005-04, Vol.40 (2)
Notas: 2006000540
F08
Descrição: 对免耕覆盖、秸秆还田和常规耕作在休闲期的节水效果研究表明:在夏季休闲期,免耕覆盖比常规耕作多贮水30.62mm,比秸秆还田多23.91mm;在冬季储水灌溉期间,可将储水定额从2100m3/hm2减少到600和975m3/hm2。对春小麦生育期土壤表层,5、10、15、20和25cm处温度变化观测发现:免耕覆盖土壤温度在气温较低的8:00可以提高土壤表层温度,在气温较高的14:00可以减缓土壤温度的升高,而在19:00气温降低时可以减缓土壤温度的降低,使土壤温度一直保持在一个稳定的状态,这有利于调节农田小气候,创造作物良好的生长环境。
Idioma: Chinês

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