Agricultural machinery is machinery used in farming or other agriculture. There are various committees governing matters such as finance, programs, agriculture, and fisheries. Application for comparison of conventional and conservation agriculture cropping systems. Its economy based on fishing, agriculture and industry had grown. Some water is diverted to irrigation for agriculture. The agriculture and manufacturing sectors are fairly minimal. Tuvaluans are otherwise involved in traditional subsistence agriculture and fishing. Some Caribbean islands have terrain that Europeans found suitable for cultivation for agriculture. It is administered by the Department of Agriculture and Fisheries. Objectives include joint coordination in the area of energy, industry, agriculture and transport. There is debate on the definition of sustainability regarding agriculture. Attempts to diversify the economy away from agriculture failed. Finally, the Sumerians ushered in domestication with intensive agriculture and irrigation. Inorganic phosphates are mined to obtain phosphorus for use in agriculture and industry. Different techniques are available for growing food in controlled environment agriculture.