WAEC Agricultural Science 2001 Theory question 105

Theory question 105

Pasture and Forage Crops

Explain pasture management practices under the following sub-headings:
(a) land preparation;
(b) three methods of propagation;
(c) two methods of sowing;
(d) fertilizer application;
(e) grazing.
(f) four management practices other than fertilizing and grazing.

Show the model answer
Model answer

(a) Clear the land, plough and harrow to a fine tilth; remove stumps and weeds
(b) Seeds; stem cuttings; root splits/crown splits; stolons/runners; rhizomes
(c) Broadcasting; drilling in rows (also dibbling)
(d) Basal application of NPK or phosphate at sowing; nitrogen top-dressing after grazing or cutting for grasses; phosphate for legumes; farmyard manure
(e) Rotational/paddock grazing at the correct stocking rate; avoid overgrazing; graze when forage is young and leafy; allow rest for regrowth
(f) Any four: weed control; pest and disease control; reseeding/re-planting bare patches; irrigation; fencing/paddocking; controlled burning; topping (cutting back old growth); provision of water and shade

Explanation

Cover each sub-heading with practical detail.