轉作田玉米生育特性及肥培管理(II)播植行深犂及肥料深施之效果
Other Title
Characteristics of Corn Production in the Drained Paddies and Their Fertility Managements 2. Effect of in-row subsoiling with deep banding of fertilizers
Journal
中華農業研究
Journal Volume
37
Journal Issue
2
Pages
151-164
Date Issued
1988-06-06
Date
1988-06-06
Author(s)
連深
S. Lian
Abstract
於1983~198年間在霧峰（本所）、二崙、學甲、太保等地共八處，探討轉作田秋作玉米之播植行深犂同時深施肥料(in-row subsoiling with deep banding of fertilizers)之效果。深犂•深施處理係使用一種深犂和淺犂所組合之雙層施肥播種機將所需磷鉀肥之全量及氮肥之半量（或外量）於播種時，以2:1比例各深、淺施於播植行下深約25公分處及播種溝旁（均使用粒狀複合肥料）；餘半量（或餘1/3量）氮肥則於膝高期追施（使用尿素）。Effects of in-row subsoiling with deep banding of fertilizers were tested on eight locations of drained paddies which differ in compactness in the subsoils during 1983~1987. The subsoiling with deep banding of fertilizer was conducted by a mechanized planter • fertilizer applicator attached with subsoilers so that 2:1 portions of the basal fertilizers were banded simultaneously to the depth about 25cm beneath and 5cm beside seed rows, respectively. The basal fertilizers consisted of the total amount of phosphate and potassium fertilizers and one half (or two third) of the nitrogenous fertilizer required for the crop. The remainder half (or the remainder one third) of the nitrogen was applied as top dressing at the knee-high stage.
Subjects
轉作田
整地
不整地
播植行深犂
肥料深施
玉米
paddy field diversion
corn production
tillage
no-tillage
in-row subsoiling
deep banding of fertilizers
Publisher
農業試驗所
Type
journal article
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