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A study of the influence of animal manure and clover on the structural and chemical characteristics and the earthworm activity in a Manawatu soil : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Field Husbandry of the University of New Zealand

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Academic year: 2024

Membagikan "A study of the influence of animal manure and clover on the structural and chemical characteristics and the earthworm activity in a Manawatu soil : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Field Husbandry of the University of New Zealand"

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Copyright is owned by the Author of the thesis. Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only. The thesis may not be reproduced elsewhere without the permission of the Author.

(2)

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Th is resented or tne degree of • g. c. in ield u b nury of the Univ rLJity of New al nd.

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The J:'lunt oota 1crobi l ctiv1ty

Th YP ot Cover

i and ~ n r

Th • hosphoru in the oil The ~ot h in the oil

he mmoni nd itrat r1trog n 1n the ·oil The Or nic utter in the Soil

S ec1es nd Distribution '" rthworm .t'opul tion Se son l ctivi ty .

lts Ei'i'ect on oil Productivity

( ) Chemic lly and 1olog1c lly (b) hysically

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M t r1 l nd e thod

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h ntluence

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The V1 l Difference in

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t1on

TICS.

The o1d-Solu'ble and deorbed .. hosphorua 1n the oil

Speci l ppendixi- Ot the feet o~ Lime nd Super on the cid olubl Pno phoru nd pH of the 011.

T >ot h in the Soil

The n1 and NitP te 1trogen 1n th So1l The Or n1c tter 1n the Soil

(c)

-ter1 l nd ethod

etor rectin Nu er and eight of rt wor

aso l ct1v1ty

.i: ctore ec1 1 tr1but.ion rteet on oil ~ro uct1v1ty

( ) Cheml.c l

(5)

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Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the

Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the permission

Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the permission

Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the

Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the

Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the

Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the

Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the