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BIOLOGY TOPIC 2- Crop Production

    Crop production




Crop production is a branch of agriculture that deals with growing crops for use as food and fiber. Degree programs incrop production are available at undergraduate and graduate levels. Graduates are eligible for a variety of agricultural careers.


BASIC AGRICULTURAL PRACTICES


Food is the basic requirement for every living being. They depend on plant and animals for food. Ancient men began the cultivation of food in a small area and used certain procedures for their management and improvement. This art of cultivation of crop is called agriculture.
In agriculture, there are certain parameters to be considered such as the type of crop, properties of soil, climate etc. Depending upon these parameters, farmers decide which crop to be cultivated at what time of the year and place. Moreover, to yield a high-quality product, suitable soil, climate and season are not sufficient. It requires a set of procedures which needed to be followed. The measures which are followed to raise crops are called agricultural practices. Different agricultural practices are discussed below.
Agricultural Practices

Agriculture & Agricultural Practices

Soil preparation

Before raising a crop, the soil in which it is to be grown is prepared by plowing, leveling, and manuring. Ploughing is the process of loosening and digging of soil using a plough. This helps in proper aeration of the soil. After plowing, the soil is distributed evenly and leveled in the process called leveling. The soil is then manured.

Sowing

Selection of seeds of good quality crop strains is the primary stage of sowing. After the preparation of soil, these seeds are dispersed in the field and this is called sowing. Sowing can be done manually, by hand or by using seed drilling machines. Some crops like paddy are first grown into seedlings in a small area and then transplanted to the main field.

Manuring

Crops need nutrients to grow and produce yield. Thus the supply of nutrients at regular intervals is necessary. Manuring is the step where nutritional supplements are provided and these supplements may be natural (manure) or chemical compounds (fertilizers). Manure is the decomposition product of plant and animal wastes. Fertilizers are chemical compounds consisting of plant nutrients and are produced commercially.  Apart from providing nutrients to crop, manure replenishes soil fertility as well. Other methods for soil replenishment are vermicompost, crop rotation, planting of leguminous plants.

Irrigation

Irrigation is the supply of water. Sources of water can be wells, ponds, lakes, canals, dams etc. Over irrigation may lead to water logging and damage the crop. This frequency and interval between successive irrigation need to be controlled.

Weeding

Weeds are unwanted plants which grow among crops. They are removed by using weedicides, by pulling them by hands and some are removed during soil preparation.

Harvesting

 Once the crop is matured, it is cut and gathered, this process is called harvesting. Followed by harvesting, grains are separated from the chaff either by threshing or manually in small scale (winnowing).

Storage

Grains yielded are stored in granaries or bins at godowns for later use or marketing. Therefore, methods of crop protection need to be better. In order to protect grains from pest and rodents- cleaning, drying, fumigation, etc are done prior to storing.


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