Challenges and Opportunities in Fertilizer Placement in No-Till Farming Systems

Author(s):  
Robert M. Norton
HortScience ◽  
1996 ◽  
Vol 31 (4) ◽  
pp. 668c-668
Author(s):  
T. Fujita ◽  
K. Kosuge ◽  
S. Miyoshi ◽  
S. Shoji

Polyolefin-coated urea commercially called “MEISTER” was invented by T. Fujita and his co-workers. It shows primarily temperature-dependent dissolution and is divided into two groups of dissolution: ordinary (linear) and delayed (sigmoid). The dissolution of MEISTER in the soil is predicted easily with reasonable accuracy by a portable computer using temperature data. Thus, we can select kinds of MEISTER that can release N meeting the plant demand. It has been common knowledge that polymer-coated materials are used mainly on lawns, professional turf, and container-grown ornamental and horticultural plants and to a limited extent, in vegetable production. However, MEISTER is applied not only to high-value crops but also to low-value crops in Japan because this fertilizer can contribute to innovative fertilizer placement and farming systems (described later in this abstract), thereby the total farming cost can be notably reduced. Innovative fertilizer applications; co-situs placement and single basal application Innovative farming systems; paddy rice 1) no-till rice culture by direct-seeding and a single basal co-situs application and 2) no-till transplanting rice culture by single basal fertilization; and upland and horticultural crops 1) multi-cropping by a single basal fertilization and 2) no-till cropping by a single basal co-situs application.


Author(s):  
Vivek Kumar ◽  
Gulshan Mahajan ◽  
Sahil Dahiya ◽  
Bhagirath S. Chauhan

Author(s):  
Thilak Mallawaarachchi ◽  
Yohannis Mulu Tessema ◽  
Adam Loch ◽  
John Asafu-Adjaye

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