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Grass leys and green cropping
Selective weed killers in seedbe
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acre Alice Holt Allerston applied assessment average bark beech Benmore Britain Broxa Calluna cankers cent chloropicrin compared compost conﬁrmed conifer coppice Corsican pine crop cuttings damage disease Douglas ﬁr effect European larch experimental experiments feet fertilizers ﬁeld ﬁgures ﬁrst ﬁve ﬂowering Forest Research Forestry Commission formalin frost fungus germination girth grafts hardwood heathland height growth inches increased infection inﬂuence inoculation investigation Japanese larch Keithia Kennington lodgepole pine manuring mean heights methods moisture content mulch Nitrochalk nitrogen Norway spruce nursery obtained one-year peat phosphate Pinus Pinus contorta plantations plants ploughing poplar produced provenances root sample plots sawﬂy Scotland Scots pine season seed seedbeds seedlings shoot showed signiﬁcant signiﬁcantly Silviculturist Sitka spruce Sitka spruce seedlings soil sowing species spraying square yard stem storage Table temperature thinning timber transplants treatments trees trials volume Wareham weed wood woodland