Concept:Dry-season pasture growth stops mainly due to lack of water and loss of soil nutrients.
To keep herbage growing continuously, the rangeland must be supplied with moisture and essential plant food.
Explanation:Reseeding and pest control only improve the pasture before or after grazing, but they do not provide the water needed during the dry season.
Controlled stocking and disease control manage animal pressure and health, yet they cannot maintain grass growth when the soil is dry.
Rotational grazing and weed control protect existing grass, but neither supplies the moisture necessary for new herbage production.
Irrigation directly adds water to the soil, allowing grass to keep growing even in the dry season.
Fertiliser application replenishes lost nutrients, promoting healthy and continuous herbage growth.
When irrigation and fertiliser application are used together, the pasture has both water and nutrients throughout the dry period.
Answer:C. fertiliser application and irrigation