Herbicides :- Chemical method of meet control is very effective in certain cases and use great score provided the herbicides are cheap efficient and easily available. The chemical used for killing weeds or inhibiting the growth of weights are called herbicides Classification of Herbicides :- Based on Method of application :- i) Soil applied herbicides: Herbicide act through root and other underground parts of weeds.e.g. Fluchloralin ii) Foliage applied herbicides : Herbicide primarily active on the plant foliage e.g.Glyphosate, Paraquat. Based on Mode of action :- i) Selective herbicide: A herbicide is considered as selective when in a mixed growth of plant species, it kills some species without injuring the others.e.g. Atrazine ii) Non-selective herbicide: It destroys majority of treated vegetatione.g. Paraquat Based on mobility :- i) Contact herbicide: A contact herbicide kills those plant parts with which it comes in direct contact e.g...
GroveStudies Production: Computer Memory The computer memory holds the data and instructions needed to process raw data and produce output. The computer memory is divided into large number of small parts known as cells. Each cell has a unique address which varies from 0 to memory size minus one. Computer memory is of two types: Volatile (RAM) and Non-volatile (ROM). The secondary memory (hard disk) is referred as storage not memory. But, if we categorize memory on behalf of space or location, it is of four types: Register memory Cache memory Primary memory Secondary memory Register Memory Register memory is the smallest and fastest memory in a computer.A register temporarily holds frequently used data, instructions, and memory address that are to be used by CPU. They hold instructions that are currently processed by the CPU. All data is required to pass through registers before it can be processed. So, they are used by CPU to process the data entered by the users. Registers hold a...
Q. Define Agronomy ? A. The branch of agriculture science which deals with the principle and practices of soil water and field management. Q. Define Agriculture? A. Agronomy is a art and business which deals with the crop production management with the help of life stock. Q. Define crop and classify the crop on basis of seasons. A. Crop is a plant that can grow and harvested extensively for profit. There are three types of crops on basis of season Kharif season June to November Ravi season November to April Zaid season summer crop March June Q. What do you mean by Annual Crop, biennial crop and perennial crop. A. Annual Crop :- plant is a plant that complete its life cycle from germination to production of seed within a growing season and then dies. Example watermelon, Pea, Etc. Biennial Plants. :- biennial plants is a flowering plant that take place two years to complete life cycle. Example :- Perennial Plants :- p...
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