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portada Effects of soil fertilization on grub behaviour
Type
Physical Book
Author
Publisher
Language
English
Pages
100
Format
Paperback
Dimensions
22.9x15.2x0.6 cm
Weight
0.16 kg.
ISBN13
9786206325222
Categories

Effects of soil fertilization on grub behaviour

Valéry Riantsoa (Author) · Richard Randriamanantsoa (Author) · Our Knowledge Publishing · Paperback

Effects of soil fertilization on grub behaviour - Riantsoa, Valéry ; Randriamanantsoa, Richard

New Book Imported to South Africa
Delivery: 25 Nov - 01 Dec Shipping: 13 to 14 business days.
R 1,169
R 1,169

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Synopsis "Effects of soil fertilization on grub behaviour"

Rainfed rice cultivation in the Vakinankaratra highlands faces major problems due to soil poverty and the presence of pest white grubs. A greenhouse study evaluated the effect of soil fertilization on two species of grubs: Heteroconus paradoxus and Hyposerica sp.The experiment used four types of treatment (soil without fertilizer, cattle manure, NPK fertilizer and a combination of NPK and manure) on a variety of upland rice. White grub damage was assessed at different stages of rice growth. Without fertilizer, both species of grubs caused significant damage from emergence to flowering. Fertilization with NPK favored plant growth but did not prevent attacks. In contrast, the use of cattle manure reduced damage at all stages for Heteroconus paradoxus and totally eliminated attacks at flowering stage for Hyposerica sp. Finally, the combination of NPK and manure reduced damage from tillering stage for Heteroconus paradoxus and bolting stage for Hyposerica sp.

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