Neco Gce 2016 AGRICULTURAL SCIENCE (Essay&Obj) Answers – Nov/Dec Expo

AGRIC OBJ
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4a)soil texture refers to the relative proportion (sizes) of the various particles of the soil


 4b Single grain structure Crumb structure Plate-like structure Granular structure 4c) Level of soil fertility Penetration of root Knowing the type of crop grow


4c)Organic material:Organic materials like compost and other decaying matter adds structure to the soil, improves drainage and also it helps for stave off the disease and pests from the plants.


ii)Compost:Compost is the best and the most effective way to replenish the nutrients in the soil than organic materials.



iii)Crop Rotation:Crop Rotation is the technique that is used to plant the seasoned plants according their season on the same soil.



 5c) 1-leads to erosion 2-destruction of vegetation(extinction of various kinds of trees 3- distruction of house during stomy rain


 (7a) (I)Rotation of grazing (ii)Reseeding (iii)Controlled stocking





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