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- nitrogen fixation by lightening: lighting helps to combine nitrogen with oxygen to form nitric oxide. Further reaction’s occur to form nitrates
- Fixation by nitrogen fixing bacteria. Involves symbiotic and non-symbiotic fixation where bacteria convert free nitrogen into nitrates.
- Nitrification: involves conversion of ammonium compounds are converted into nitrites and nitrates
marto answered the question on September 30, 2019 at 06:04
- Discuss the factors that should be put into consideration while choosing suitable implements for primary cultivation.(Solved)
Discuss the factors that should be put into consideration while choosing suitable implements for primary cultivation.
Date posted: September 30, 2019. Answers (1)
- State the two types of the multiple stem pruning system in coffee.(Solved)
State the two types of the multiple stem pruning system in coffee.
Date posted: September 30, 2019. Answers (1)
- Study the diagrams below. (a) Name the process used to test Irish potatoes in readiness for planting.(Solved)
Study the diagrams below.
a) Name the process used to test Irish potatoes in readiness for planting.
b) Which of the two is suitable for planting?
c) Give a reason for your answer in (b) above.
d) Give two reasons why maize need to be earthed.
Date posted: September 30, 2019. Answers (1)
- The diagram below illustrate a compost heap. Study it carefully.(Solved)
The diagram below illustrate a compost heap. Study it carefully.
(a) Name the parts labeled K – N
(b) State one use of each of the parts labeled K, M, N and O
(c ) List four reasons why compost manure is not popularly used in the farm.
Date posted: September 30, 2019. Answers (1)
- The diagram labeled E and F illustrate some soil structure. Study them carefully and answer the questions that follow(Solved)
The diagram labeled E and F illustrate some soil structure. Study them carefully and answer the questions that follow.
(i) Identify the soil structure E and F.
(ii) List down two field practices which can destroys the structures shown above.
(iii) Give two characteristic of a fertile soil.
Date posted: September 30, 2019. Answers (1)
- State two reasons why shifting cultivation has become unpopular in Kenya.(Solved)
State two reasons why shifting cultivation has become unpopular in Kenya.
Date posted: September 30, 2019. Answers (1)
- State four effects of post election violence in 2008 to agriculture production.(Solved)
State four effects of post election violence in 2008 to agriculture production.
Date posted: September 30, 2019. Answers (1)
- State four deficiency symptoms of nitrogenous fertilizers.(Solved)
State four deficiency symptoms of nitrogenous fertilizers.
Date posted: September 30, 2019. Answers (1)
- State two examples of nitrogenous fertilizers.(Solved)
State two examples of nitrogenous fertilizers.
Date posted: September 30, 2019. Answers (1)
- Farmer growing maize on 10 hectares is to dress it with sulphate of ammonia (20% N) at the rate. of 120kg of S.A for hectare....(Solved)
Farmer growing maize on 10 hectares is to dress it with sulphate of ammonia (20% N) at the rate. of 120kg of S.A for hectare. AT the local market, S.A is available in 50Kg bag selling at 1500/- per bag. Calculate the amount of S.A the farmer needs to top dress his crop of maize.
Date posted: September 30, 2019. Answers (1)
- What is the importance of seed dressing in crop production?(Solved)
What is the importance of seed dressing in crop production?
Date posted: September 30, 2019. Answers (1)
- Name any two physical characteristics used to classify soil.(Solved)
Name any two physical characteristics used to classify soil.
Date posted: September 30, 2019. Answers (1)
- Explain the management practices that a farmer should carry out to improve milk production in a low dairy herd.(Solved)
Explain the management practices that a farmer should carry out to improve milk production in a low dairy herd.
Date posted: September 25, 2019. Answers (1)
- Study the tools below and answer the questions that follow.(Solved)
Study the tools below and answer the questions that follow.
a)Identify the tools labelled F, G, H and I.
b) Give the uses of each of the tools labelled H and I.
c) Name the part of the animal where tool F is placed when in use
Date posted: September 25, 2019. Answers (1)
- At what age should the male piglet be castrated.(Solved)
At what age should the male piglet be castrated.
Date posted: September 25, 2019. Answers (1)
- Outline the procedure of castrating a male piglet.(Solved)
Outline the procedure of castrating a male piglet.
Date posted: September 25, 2019. Answers (1)
- Below is a diagram of the power transmission system of a tractor engine. Study it and answer the questions that follow.(Solved)
Below is a diagram of the power transmission system of a tractor engine. Study it and answer the questions that follow.
a) Name the parts labelled C, D and E.
b) State the functions of parts C, D and E.
Date posted: September 25, 2019. Answers (1)
- The diagrams below illustrate ectoparasites . Study them and answer the questions that follow.(Solved)
The diagrams below illustrate ectoparasites. Study them and answer the questions that follow.
a) Identify the parasites labelled A and B.
b) Name the livestock affected by the parasite labelled A.
c) State two harmful effects of parasites A and B in livestock production.
Date posted: September 25, 2019. Answers (1)
- Give three reasons for steaming up an in-calf heifer.(Solved)
Give three reasons for steaming up an in-calf heifer.
Date posted: September 25, 2019. Answers (1)
- Name four diseases in poultry that are controlled by vaccination.(Solved)
Name four diseases in poultry that are controlled by vaccination.
Date posted: September 25, 2019. Answers (1)