CN1062109C - 棉花主根优势抑制法 - Google Patents

棉花主根优势抑制法 Download PDF

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CN1062109C
CN1062109C CN96123710A CN96123710A CN1062109C CN 1062109 C CN1062109 C CN 1062109C CN 96123710 A CN96123710 A CN 96123710A CN 96123710 A CN96123710 A CN 96123710A CN 1062109 C CN1062109 C CN 1062109C
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cotton
superiority
present
root
ditches
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CN1186594A (zh
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洪家禄
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Abstract

本发明涉及棉花主根优势抑制法。在棉花播行开沟,深8~10cm,沟底平铺宽3.5~4.0cm,厚0.02~0.03mm的膜,填沟镇平,播种时,使播行对准膜。本发明解决了主根优势对侧根抑制的问题,利于侧根的发生进而提高作物对养分、水分的利用率,同时具有操作简便,投入少,可回收,无污染的优点。可适于主根作物。

Description

棉花主根优势抑制法
本发明涉及农业栽培措施,尤其是一种棉花主根优势抑制法。
棉花属主根作物,主要靠侧根吸收养分和水分,而主根的主根优势抑制和削弱侧根的发生和生长,影响作物对养分、水分的充分吸收和利用,进而影响产量。在营养钵育苗技术中,移栽时,通过剪断、拉断禾苗主根或利用营养钵底对主根阻止作用的方法来抑制主根优势。对于大面积种植的棉花来说,该方法工序烦琐、工效低、成本高,不太适用。
本发明的目的在于提供一种操作简便、投入少且能对棉花主根优势进行抑制的方法。
棉花主根优势抑制法,包括:在棉花播行开沟,深8~10cm,沟底平铺宽3.5~4.0cm、厚0.02~0.03mm的膜,填沟镇平,对准沟内膜播种。
如上所述的抑制法,还包括翻地收膜。
因本发明为开沟铺膜,在膜上方播种。整个操作过程,无需特殊农机具,技术要求低,操作简便,投入少,翻地收膜,不产生污染,可多次使用。应用本发明后,可早播,减少烂种,防止露耕和大小苗的产生。因膜可阻止主根向下生长,从而使侧根大量发生,提高作物对养分、水分的利用率。经在棉花上实验,可增产20~30%,该技术适于主根作物。
以下结合实施例对本发明予以详述。
实施例1,在棉花播行开沟,深8cm,沟底平铺宽4.0cm,厚0.025mm的膜,填沟整平待播;播种时,播行对准膜;翻地收膜。
实施例2与实施例1不同之处在于沟深9cm,沟底平铺宽3.75cm、厚0.02mm的膜。
实施例3与实施例1不同之处在于沟深10cm,膜宽3.5cm、厚0.03mm。

Claims (2)

1、一种棉花主根优势抑制法,其特征包括:在棉花播行开沟,深8~10cm,沟底平铺宽3.5~4.0cm、厚0.02~0.03mm的膜,填沟镇平,对准沟内膜播种。
2、如权利要求1所述的抑制法,其特征包括翻地收膜。
CN96123710A 1996-12-28 1996-12-28 棉花主根优势抑制法 Expired - Fee Related CN1062109C (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN96123710A CN1062109C (zh) 1996-12-28 1996-12-28 棉花主根优势抑制法

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Application Number Priority Date Filing Date Title
CN96123710A CN1062109C (zh) 1996-12-28 1996-12-28 棉花主根优势抑制法

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CN1186594A CN1186594A (zh) 1998-07-08
CN1062109C true CN1062109C (zh) 2001-02-21

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1041684A (zh) * 1989-10-17 1990-05-02 江都县红旗闸管理所 地膜覆盖除萌法
WO1994000002A1 (en) * 1992-06-29 1994-01-06 Deep Root Partners, L.P. Method and apparatus for deflecting tree roots, and combination of the apparatus with tree and static structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1041684A (zh) * 1989-10-17 1990-05-02 江都县红旗闸管理所 地膜覆盖除萌法
WO1994000002A1 (en) * 1992-06-29 1994-01-06 Deep Root Partners, L.P. Method and apparatus for deflecting tree roots, and combination of the apparatus with tree and static structure

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