LAHORE  -   The Research Information Unit of Ayub Agricultural Research Institute (AARI) Faisalabad has advised the farmers to start the spring cultivation of beans from mid of current month and complete it by February 28. A spokesperson for the institute said here Monday that beans are used as pulses and fodder, while new types of beans can be cultivated as vegetables. He said that bean crops could be cultivated on all types of lands but the most suitable land is fertile which has an adequate system of water drainage. He said that in order to prepare the land, the farmers should plow it two or three times. Use one bag per acre of DAP fertilizer and then plow again and pour the seeds keeping 50 cm distances between lines through drill. The seed ratio for the spring bean crop is 14 to 15 kg per acre for large seeded varieties and 10 to 12 kg per acre for small seeded varieties, he said. He further advised the farmers to follow the guidelines of the agriculture department. Best time for lemons cultivat ion is Februar y, Marc h The moderate weather is very important for lemons and these could be cultivated during the months of February and March. Assistant Director Agriculture Department Punjab Dr Khalid Iqbal said here Monday that there is a possibility of serious damage to the lemon crop due to the temperature falling below the freezing point however the land fit for other crops and fruits is suitable for lemons cultivation. He said that the areas of Sahiwal, Multan, Gujrat, Sargodha, Gujranwala and Rahim Yar Khan have special importance for the cultivation of lemons. The lemon crop is also being cultivated successfully in KPK and Sindh provinces apart from Punjab. He said that lemon is rich in citric acid, calcium, potassium, iron, phosphorus, vitamin A, B and C, while its peel, juice and seeds are used for nutritional and medicines.