This study analyzed the determinants of the productivity of smallholder arable crop farmers with a particular focus on land fragmentation using the Simpson Index as measures of land fragmentation in Imo state of Nigeria. Data collected by using structured questionnaire and interview schedules were analyzed using simple descriptive statistics; Simpson index and regression analysis. Results showe...

The security of cultivated land resources is closely related to a country’s food security, economic and social as such always the top priority those responsible for governance administration state affairs. study area 13 prefecture-level cities in Hubei Province. An entropy weight method, comprehensive index spatial analysis obstacle degree model are employed explore spatio-temporal characterist...

Cultivated land is the fundamental guarantee of food security, and saline-alkali affects quality cultivated to varying degrees. It great significance study improvement measures solve problem utilization, promote healthy development agriculture animal husbandry, improve land. The author has sorted out relevant literature reports on methods technologies at home abroad in recent years, introduced ...

To accurately extract cultivated land boundaries based on high-resolution remote sensing imagery, an improved watershed segmentation algorithm was proposed herein a combination of pre- and post-improvement procedures. Image contrast enhancement used as the pre-improvement, while color distance Commission Internationale de l´Eclairage (CIE) space, including Lab Luv, regional similarity measure f...