Improvement in food resources
Top definitions
1) Hybridisation – Crossing between genetically dissimilar plants.
2) Intervarietal hybridization – Hybridisation between different varieties of plants.
3) Interspecific hybridization – Hybridisation between plants belonging to two different species of the same genus.
4) Intergeneric hybridization - Hybridisation between plants of different genera.
5) Macronutrients – Nutrients required by plants in large quantities.
6) Micronutrients – Nutrients required by plants in small quantities.
7) Composting – The process in which farm waste material like livestock excreta, vegetable waste, animal refuse, domestic waste, sewage waste etc is decomposed in pits.
8) Vermi-compost – Compost prepared by using earthworms to hasten the decomposition process of plant and animal refuse.
9) Manure - Organic substances of animal or plant origin that is added to the soil to increase its fertility and structure.
10) Fertiliser – Commercially produced plant nutrients that enriches the soil fertility and increases the crop yield.
11) Organic farming – A farming system with minimal or no use of chemicals as fertilizers, pesticides etc. and with a maximum input of organic manures, recycled farm-wastes, along with use of bio-agents and healthy cropping systems.
12) Mixed cropping – The practice of growing two or more crops simultaneously on the same field.
13) Inter-cropping – The practice of growing two or more crops simultaneously on the same field in a definite pattern.
14) Crop rotation – The growing of different crops on a piece of land in a pre-planned succession.
15) Weeds – Unwanted plants in the cultivated field.
16) Animal husbandry – The scientific management of animal livestock.
17) Milch cattle – Milk-producing females of cattle.
18) Draught cattle – Cattle used for farm labour.
19) Layer – Egg laying poultry.
20) Broiler – Poultry reared for obtaining meat.
21) Capture fishing – Obtaining fish from natural resources
22) Culture fishery – Obtaining fish by fish farming.
23) Mariculture - The farming of finfish or shellfish in marine water.
24) Aquaculture - The farming of freshwater or marine organisms for human use, by proper utilization of available waters in the country.
25) Beekeeping – The cultivation of bees on a commercial scale for the production of honey and beeswax.
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NCERT 9 Science