The results show that mulches creat good ecological environment for citrus growth and development. The soil temperature of mulching orchard is higher in winter and early spring, lower in summer and early autumn. The d...The results show that mulches creat good ecological environment for citrus growth and development. The soil temperature of mulching orchard is higher in winter and early spring, lower in summer and early autumn. The drought is resisted effectively duing growth of fruit because the higher water content is kept in dry season. Due to the improved nutrient status in soil with mulches the content of nutrient in citrus tree increase significantly . The net economic benefit of citrus orchard with mulching especially mulch with film and rice-straw treatment is 2.229 times the control.展开更多
Two year’s research on the relationship between vegetable planting and S.officinarum growth indicates that vegetable inter-cropping has no negative effect on the yielding of S.officinarum.The competition for water,so...Two year’s research on the relationship between vegetable planting and S.officinarum growth indicates that vegetable inter-cropping has no negative effect on the yielding of S.officinarum.The competition for water,soil nutrition and sunshine between S.officinarum and vegetable are avoided due to carefully designed productive plan.It also indicates that while vegetable inter-cropping has influence,to certain extent,on soil temperature and soil water of the S.officinarum planting plot,it does not affect the growth of S.officinarum.The number,height and weight of S.officinarum stem remain in the normal range,while the land productivity is enhanced by this inter-cropping.It shows that the output of vegetable inter-cropping doubled (167.7~217.4 percent higher for cayenne,124~179.7 percent higher for frijole) than contrast.展开更多
文摘The results show that mulches creat good ecological environment for citrus growth and development. The soil temperature of mulching orchard is higher in winter and early spring, lower in summer and early autumn. The drought is resisted effectively duing growth of fruit because the higher water content is kept in dry season. Due to the improved nutrient status in soil with mulches the content of nutrient in citrus tree increase significantly . The net economic benefit of citrus orchard with mulching especially mulch with film and rice-straw treatment is 2.229 times the control.
文摘Two year’s research on the relationship between vegetable planting and S.officinarum growth indicates that vegetable inter-cropping has no negative effect on the yielding of S.officinarum.The competition for water,soil nutrition and sunshine between S.officinarum and vegetable are avoided due to carefully designed productive plan.It also indicates that while vegetable inter-cropping has influence,to certain extent,on soil temperature and soil water of the S.officinarum planting plot,it does not affect the growth of S.officinarum.The number,height and weight of S.officinarum stem remain in the normal range,while the land productivity is enhanced by this inter-cropping.It shows that the output of vegetable inter-cropping doubled (167.7~217.4 percent higher for cayenne,124~179.7 percent higher for frijole) than contrast.