Plant husbandry – Mulching
Patent
1987-02-05
1990-05-01
DeMille, Danton D.
Plant husbandry
Mulching
47 32, A01G 700, A01G 1310
Patent
active
049206923
ABSTRACT:
A mulching film which comprises a reflective film layer having a reflective peak at a wavelength of less than 0.4 .mu.m and a reflective spectrum having not less than 1.4 of a ratio (R.sub.A /R.sub.B) of the ultraviolet peak reflectance (R.sub.A) and the visible light reflectance at a wavelength of 0.5 .mu.m (R.sub.B) and a black film layer, which is effective for repelling insect pests harmful for various crops and other plants by covering ground for plantation and for lowering of the underground temperature and also for the prevention of the propagation of weeds.
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Kitamura Shuji
Kotani Kozo
Kume Takanori
Nakae Kiyohiko
Negawa Hideo
DeMille Danton D.
Sumitomo Chemical Company Limited
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