THE ADDITION OF LIME TO CLAYED SOIL SERVES TO
A. aid water retention B. close up the texture C. prevent water logging D. improve capillary action ✓ The answer to the question is: D. improve capillary action The addition of lime to clayed soil serves to improve capillary action. Lime, also known as…
THE INITIAL VOLUME OF WATER POURED INTO A BAG OF DRY SOIL WAS 50ML AND THE AMOUNT THAT DRAINED THROUGH WAS 35ML. THE PERCENTAGE WATER CONTENT OF THE FULLY SOAKED SOIL IS THEREFORE
A. 46.7 B. 25.0 C. 20.0 D. 30.0 ✓ The answer to the question is: D. 30.0 The percentage water content of the fully soaked soil can be calculated using the formula: Percentage water content = (Amount of water retained / Initial…
THE DISCOVERY OF TERRACOTTA IN 1928 ON NOK SOIL IN KADUNA STATE WAS BY
A. Walter Egerton B. Colonel Dent Young ✓ C. Sanni Dikiya D. Turuga Jo’s The answer to the question is: B. Colonel Dent Young The discovery of terracotta in 1928 on Nok soil in Kaduna state was made by Colonel Dent Young. Colonel Dent…
ORGANIC AGRICULTURE
Organic agriculture simply means the use of ruminants and decay of plants and animal by-products to improve agricultural production. In other words, it involves the use of remains of plants and animals to improve the production of crops for improve…
FACTORS INFLUENCING NUTRIENT AVAILABILITY IN THE SOIL
The factors which influence the availability of nutrients in the soil include the following: a) Soil pH: The degree of acidity or alkalinity of the soil affects the availability of nutrients, both in the soil and also to plants. A…
GROUNDNUT (Arachis hypogea)
Groundnut is a dual-purpose crop. It can be cultivated as an oil crop as well as a protein or a pulse or leguminous crop. Although it is a leguminous crop, it is mainly grown for its oil. The seed called…
PEPPER (Capsicum spp)
Pepper is a spice crop which adds flavours to stew and soup. It can be used when green or red. It is rich in vitamins and minerals. It belongs to the plant family, Solanaceae. Land Preparation: The bush is…
CASSAVA (Manihot spp)
Cassava just like yam, is a root and tuber crop. It has underground roots which can be consumed by man and livestock animals after processing. It has other advantages over yam, in that it can grow in relatively poor soil…
YAM (Dioscorea spp)
Yam belongs to the family Dioscoreaceae. It is a root and tuber crop popularly grown in West Africa and it is rich in carbohydrates. Land Preparation Cutlass is used to clear the bush or vegetation and heaps, ridges or…
DRAINAGE
Drainage is a process whereby excess water in the soil is removed artificially to promote good farming activities. In other words, drainage is the withdrawal of excess water from the soil while at the same time retaining adequate reserves to…
IRRIGATION
Irrigation is defined as the artificial or manmade application of water to soil or land for farming purposes. In other words, irrigation is the artificial application of water to the soil to supplement insufficient rainfall. Irrigation is mainly practised in…
EDAPHIC FACTORS AFFECTING AGRICULTURAL PRODUCTION
1) Soil pH It affects the growth of plants. It also affects the availability of soil nutrients to plants. It affects the presence of soil microorganisms. It causes toxicity to plants and animals in the soil. 2) Soil Texture…
CLASSIFICATION OF SOIL
Several classifications of soil types exist. The zonal classification treated here is considered most appropriate at this level. The classification relates soil to the major climatic and vegetation zones of the world. The world’s major climatic belts have their distinctive…