With the development of agro-technology for the northern plains of high value crops of the billy climate, it has become necessary for the growers to save the mother plants to develop the planting material for the next year crops.

Glass house is a facility to protect and maintain the plants of temperate climate. These plants can also be multiplied in large scale during off season. The value crops like Geranium, Patchouli, Pyrethrum could be saved during rainy season when the climate is hot and humid.

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