Environmental Sciences, asked by reMahimontalandela, 1 year ago

I am going to write preface on the topic of crop production and management will you please help me

Answers

Answered by mohan666
3
The science that deals with the growth of plants and animals for human use is called agriculture.
Agriculture includes-
Soil management- the cultivation of soilCrop farming- growing and harvesting of crops.Horticulture- growing and harvesting of fruits, vegetables, flowers and decorative plantsAnimal husbandry- the breeding and raising of livestock including poultryThe land where plants are cultivated is known as fields.
Plants grown in large quantities in field are known as crop plants or crops.
Based upon the seasons, the crops are divided into two types- summer crops called kharif crops and winter crops called rabi crops.
Kharif crops are grown during summer between june/july and harvested by september/october. Rice, groundnut, maize, cotton , pulses are some common kharif crps.
Rabi crops are grown in the winter between october/november and harvestedv by march or april. Wheat, barley, mustard, potato and peas are some common rabi crops. 
The recent progress in agriculture has taught farmers to cultivate crops in a systematic way. The tasks that a farmer follows are called agricultural practices. The major steps involved in this process are-
Preparation of soilSelection and sowing of seedsAddition of manure and fertilizersIrrigationProtection from weeds and pestsHarvestingStorage
Preparation of soil:Ploughing or tilling involves loosening and turning of soil using a tool or an implement called the plough. Then the soil is leveled.
Loosening of the soil-Allows the roots to breath easilyHelps the roots to penetrate deeper into the soil.Enables fertilizers to mix uniformly with the soil.Aids the growth of organisms such as earthworms, millipedes, bacteria and fungi.
Sowing of seeds:Seeds used for sowing should be of good quality, healthy, viable and free of infections. Seeds are sown manually by broadcasting or by seed drills. Broadcasting is the scattering of seeds over the soil surface by hand. 
Addition of manure and fertilizers:Plants require nutrients for growth. They get these nutrients from the soil. This can be done either by natural methods or by adding manures and fertilizers to the soil.Natural methods:Field fallow: The method of leaving the field without cultivating any crops to replenish nutrients in the soil.
Crop rotation: It involves growing two or more crops alternatively on the same land in the same growing season so that the soil is not depleted of any particular nutrients.
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