EVERYDAY SCIENCE

SCIENCE

BIOLOGICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the benifits of earthworms?
A
Convert organic matter into humus
B
Improve structure, drainage and aeration
C
Mix the different layers of soil
D
Worm casts are high in N, P & K
Explanation: 

Detailed explanation-1: -These castings also help with insect pests such as aphids, mites, and mealy bugs! They can also help plants become more resistant to heat, drought, and other stresses. And since earthworm castings are slow-release, it is extremely difficult to overdo it, making them an ideal solution for new gardeners!

Detailed explanation-2: -Worm castings are rich in micronutrients, containing iron, sulfur, magnesium, zinc, copper and calcium. They also provide macronutrients and have a nitrogen, phosphorus and potassium (NPK) ratio of 1-0-0 to 5-5-3.

Detailed explanation-3: -The humus in earthworm castings helps increase soil’s water retention, improve soil aeration and anchor plant nutrients that would otherwise leach away with water. Castings also feed beneficial soil microorganisms that produce, store and slowly release plant nutrients into your soil to feed plants.

Detailed explanation-4: -Worm castings contain five times more nitrogen, seven times more phosphorus, and 11 times more potassium than ordinary soil. Worm castings or vermicast are both just another way to say worm manure. It turns out this stuff is awesome for your soil and plants.

Detailed explanation-5: -According to Faniran and Areola (1980) earthworm casting stores and supplies about 90-95% of soil nitrogen, 50% of phosphorus and 80% of sulphur.

There is 1 question to complete.